./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN --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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:31:00,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:31:00,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:31:00,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:31:00,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:31:00,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:31:00,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:31:00,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:31:00,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:31:00,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:31:00,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:31:00,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:31:00,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:31:00,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:31:00,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:31:00,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:31:00,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:31:00,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:31:00,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:31:00,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:31:00,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:31:00,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:31:00,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:31:00,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:31:00,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:31:00,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:31:00,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:31:00,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:31:00,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:31:00,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:31:00,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:31:00,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:31:00,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:31:00,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:31:00,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:31:00,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:31:00,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:31:00,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:31:00,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:31:00,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:31:00,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:31:00,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:31:00,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:31:00,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:31:00,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:31:00,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:31:00,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:31:00,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:31:00,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:31:00,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:31:00,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:31:00,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:31:00,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:31:00,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:31:00,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:31:00,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:31:00,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:31:00,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:31:00,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:31:00,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:31:00,220 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:31:00,220 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:31:00,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:31:00,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:00,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:31:00,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:31:00,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:31:00,221 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:31:00,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:31:00,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:31:00,222 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_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2021-11-21 05:31:00,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:31:00,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:31:00,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:31:00,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:31:00,632 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:31:00,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 05:31:00,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/data/7c4484504/c32bf2b32f784b0693ee47b65d62436a/FLAG91e1549dc [2021-11-21 05:31:01,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:31:01,249 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 05:31:01,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/data/7c4484504/c32bf2b32f784b0693ee47b65d62436a/FLAG91e1549dc [2021-11-21 05:31:01,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/data/7c4484504/c32bf2b32f784b0693ee47b65d62436a [2021-11-21 05:31:01,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:31:01,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:31:01,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:01,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:31:01,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:31:01,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:01" (1/1) ... [2021-11-21 05:31:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca6813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:01, skipping insertion in model container [2021-11-21 05:31:01,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:01" (1/1) ... [2021-11-21 05:31:01,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:31:01,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:31:01,981 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_f1d7fb24-b50c-4a3f-98ff-499926d13e92/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-21 05:31:01,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:02,003 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:31:02,099 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_f1d7fb24-b50c-4a3f-98ff-499926d13e92/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-21 05:31:02,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:02,125 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:31:02,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02 WrapperNode [2021-11-21 05:31:02,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:02,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:02,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:31:02,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:31:02,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,210 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 473 [2021-11-21 05:31:02,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:02,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:31:02,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:31:02,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:31:02,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:31:02,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:31:02,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:31:02,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:31:02,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:02" (1/1) ... [2021-11-21 05:31:02,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:02,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:31:02,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:31:02,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d7fb24-b50c-4a3f-98ff-499926d13e92/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:31:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:31:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:31:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:31:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:31:02,580 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:31:02,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:31:03,093 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:31:03,737 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:31:03,738 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:31:03,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:03 BoogieIcfgContainer [2021-11-21 05:31:03,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:31:03,741 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:31:03,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:31:03,753 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:31:03,753 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:03" (1/1) ... [2021-11-21 05:31:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:31:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-21 05:31:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-21 05:31:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:31:03,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:03,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:04,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-21 05:31:04,884 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-21 05:31:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:31:04,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:04,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-21 05:31:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-21 05:31:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:31:05,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:05,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-21 05:31:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-21 05:31:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:31:06,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:06,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-21 05:31:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-21 05:31:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:31:07,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:07,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-21 05:31:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-21 05:31:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:31:08,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:08,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-21 05:31:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-21 05:31:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:31:10,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:10,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-11-21 05:31:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-11-21 05:31:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:31:10,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:10,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2021-11-21 05:31:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2021-11-21 05:31:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:31:10,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:10,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2021-11-21 05:31:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2021-11-21 05:31:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:31:12,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:12,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2021-11-21 05:31:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2021-11-21 05:31:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:31:12,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:12,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 141 transitions. [2021-11-21 05:31:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 141 transitions. [2021-11-21 05:31:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:31:17,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:17,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 175 transitions. [2021-11-21 05:31:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 175 transitions. [2021-11-21 05:31:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:31:21,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:21,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 178 transitions. [2021-11-21 05:31:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 178 transitions. [2021-11-21 05:31:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:31:22,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:22,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 196 transitions. [2021-11-21 05:31:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2021-11-21 05:31:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:31:25,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:25,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-21 05:31:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-21 05:31:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:26,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:26,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 118 states and 228 transitions. [2021-11-21 05:31:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 228 transitions. [2021-11-21 05:31:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:31,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 119 states and 233 transitions. [2021-11-21 05:31:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 233 transitions. [2021-11-21 05:31:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:32,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:32,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2021-11-21 05:31:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2021-11-21 05:31:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:33,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:33,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 122 states and 239 transitions. [2021-11-21 05:31:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 239 transitions. [2021-11-21 05:31:33,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:33,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:33,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 244 transitions. [2021-11-21 05:31:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 244 transitions. [2021-11-21 05:31:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:34,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:34,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 280 transitions. [2021-11-21 05:31:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 280 transitions. [2021-11-21 05:31:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:41,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:41,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 145 states and 288 transitions. [2021-11-21 05:31:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 288 transitions. [2021-11-21 05:31:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:43,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:43,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 293 transitions. [2021-11-21 05:31:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 293 transitions. [2021-11-21 05:31:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:44,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:44,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 149 states and 294 transitions. [2021-11-21 05:31:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 294 transitions. [2021-11-21 05:31:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:46,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:46,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 150 states and 296 transitions. [2021-11-21 05:31:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 296 transitions. [2021-11-21 05:31:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:47,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:47,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 151 states and 299 transitions. [2021-11-21 05:31:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 299 transitions. [2021-11-21 05:31:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:31:47,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:47,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 165 states and 321 transitions. [2021-11-21 05:31:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 321 transitions. [2021-11-21 05:31:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:31:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:53,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 177 states and 344 transitions. [2021-11-21 05:32:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 344 transitions. [2021-11-21 05:32:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:32:00,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:00,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:32:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 177 states and 343 transitions. [2021-11-21 05:32:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 343 transitions. [2021-11-21 05:32:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:32:01,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:01,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 191 states and 388 transitions. [2021-11-21 05:32:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 388 transitions. [2021-11-21 05:32:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:32:08,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:08,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 195 states and 393 transitions. [2021-11-21 05:32:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 393 transitions. [2021-11-21 05:32:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:32:10,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:10,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 206 states and 418 transitions. [2021-11-21 05:32:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 418 transitions. [2021-11-21 05:32:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:32:18,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:18,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:20,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 211 states and 423 transitions. [2021-11-21 05:32:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 423 transitions. [2021-11-21 05:32:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:32:20,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 220 states and 443 transitions. [2021-11-21 05:32:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 443 transitions. [2021-11-21 05:32:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:32:26,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:26,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 226 states and 455 transitions. [2021-11-21 05:32:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 455 transitions. [2021-11-21 05:32:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:32:29,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:29,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 227 states and 455 transitions. [2021-11-21 05:32:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 455 transitions. [2021-11-21 05:32:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:32:30,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:30,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 237 states and 480 transitions. [2021-11-21 05:32:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 480 transitions. [2021-11-21 05:32:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:32:38,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:38,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 242 states and 488 transitions. [2021-11-21 05:32:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 488 transitions. [2021-11-21 05:32:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:32:40,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:40,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 243 states and 488 transitions. [2021-11-21 05:32:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 488 transitions. [2021-11-21 05:32:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:32:41,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:41,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 244 states and 490 transitions. [2021-11-21 05:32:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 490 transitions. [2021-11-21 05:32:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:32:43,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:43,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 249 states and 505 transitions. [2021-11-21 05:32:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 505 transitions. [2021-11-21 05:32:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:32:49,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:49,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 250 states and 512 transitions. [2021-11-21 05:32:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 512 transitions. [2021-11-21 05:32:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:32:52,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:52,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 252 states and 520 transitions. [2021-11-21 05:32:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 520 transitions. [2021-11-21 05:32:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:32:54,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:54,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 253 states and 522 transitions. [2021-11-21 05:32:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 522 transitions. [2021-11-21 05:32:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:32:55,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:55,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:07,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 265 states and 548 transitions. [2021-11-21 05:33:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 548 transitions. [2021-11-21 05:33:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:07,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:07,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 273 states and 570 transitions. [2021-11-21 05:33:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 570 transitions. [2021-11-21 05:33:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:12,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:12,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 278 states and 591 transitions. [2021-11-21 05:33:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 591 transitions. [2021-11-21 05:33:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:16,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:16,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 279 states and 593 transitions. [2021-11-21 05:33:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 593 transitions. [2021-11-21 05:33:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:18,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:18,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 282 states and 609 transitions. [2021-11-21 05:33:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 609 transitions. [2021-11-21 05:33:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:20,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:20,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 284 states and 611 transitions. [2021-11-21 05:33:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 611 transitions. [2021-11-21 05:33:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:23,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:23,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 285 states and 615 transitions. [2021-11-21 05:33:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 615 transitions. [2021-11-21 05:33:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:33:24,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:24,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 287 states and 618 transitions. [2021-11-21 05:33:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 618 transitions. [2021-11-21 05:33:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:33:26,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:26,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 05:33:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 287 states and 617 transitions. [2021-11-21 05:33:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 617 transitions. [2021-11-21 05:33:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:26,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:26,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 292 states and 639 transitions. [2021-11-21 05:33:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 639 transitions. [2021-11-21 05:33:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:32,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:32,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 297 states and 647 transitions. [2021-11-21 05:33:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 647 transitions. [2021-11-21 05:33:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:37,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:37,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 300 states and 660 transitions. [2021-11-21 05:33:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 660 transitions. [2021-11-21 05:33:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:39,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:39,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 305 states and 674 transitions. [2021-11-21 05:33:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 674 transitions. [2021-11-21 05:33:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:44,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:44,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 306 states and 675 transitions. [2021-11-21 05:33:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 675 transitions. [2021-11-21 05:33:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:45,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:45,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 307 states and 676 transitions. [2021-11-21 05:33:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 676 transitions. [2021-11-21 05:33:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:46,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 308 states and 676 transitions. [2021-11-21 05:33:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 676 transitions. [2021-11-21 05:33:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:33:47,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:47,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 309 states and 676 transitions. [2021-11-21 05:33:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 676 transitions. [2021-11-21 05:33:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:33:49,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:49,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat