./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/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_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e --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-63182f1 [2021-11-13 23:37:28,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:37:28,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:37:28,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:37:28,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:37:28,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:37:28,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:37:28,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:37:28,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:37:28,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:37:28,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:37:28,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:37:28,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:37:28,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:37:28,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:37:28,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:37:28,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:37:28,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:37:28,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:37:28,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:37:28,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:37:28,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:37:28,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:37:28,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:37:28,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:37:28,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:37:28,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:37:28,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:37:28,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:37:28,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:37:28,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:37:28,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:37:28,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:37:28,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:37:28,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:37:28,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:37:28,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:37:28,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:37:28,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:37:28,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:37:28,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:37:28,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:37:28,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:37:28,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:37:28,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:37:28,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:37:28,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:37:28,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:37:28,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:37:28,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:37:28,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:37:28,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:37:28,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:37:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:37:28,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:37:28,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:37:28,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:37:28,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:37:28,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:37:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:37:28,280 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:37:28,280 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:37:28,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:37:28,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:37:28,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:37:28,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:37:28,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:37:28,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:37:28,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:37:28,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:37:28,283 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_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2021-11-13 23:37:28,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:37:28,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:37:28,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:37:28,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:37:28,620 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:37:28,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:37:28,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/data/5bded14d9/0a982b3ed4884a5fa2d14fe9e31b60d0/FLAGfac29fdb7 [2021-11-13 23:37:29,246 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:37:29,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:37:29,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/data/5bded14d9/0a982b3ed4884a5fa2d14fe9e31b60d0/FLAGfac29fdb7 [2021-11-13 23:37:29,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/data/5bded14d9/0a982b3ed4884a5fa2d14fe9e31b60d0 [2021-11-13 23:37:29,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:37:29,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:37:29,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:37:29,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:37:29,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:37:29,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:29,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd37c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29, skipping insertion in model container [2021-11-13 23:37:29,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:29,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:37:29,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:37:29,853 WARN L228 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_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-13 23:37:29,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:37:29,867 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:37:29,926 WARN L228 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_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-13 23:37:29,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:37:29,942 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:37:29,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29 WrapperNode [2021-11-13 23:37:29,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:37:29,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:37:29,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:37:29,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:37:29,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:29,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:37:30,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:37:30,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:37:30,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:37:30,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:37:30,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:37:30,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:37:30,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:37:30,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:29" (1/1) ... [2021-11-13 23:37:30,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:37:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:37:30,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:37:30,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609b8a2-ff06-49bc-b2cc-95d78764bd6a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:37:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:37:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:37:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:37:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:37:31,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:37:31,600 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:37:31,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:37:31 BoogieIcfgContainer [2021-11-13 23:37:31,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:37:31,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:37:31,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:37:31,615 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:37:31,616 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:37:31" (1/1) ... [2021-11-13 23:37:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:37:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-13 23:37:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-13 23:37:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:37:31,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:31,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-13 23:37:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-13 23:37:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:37:32,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:32,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-13 23:37:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-13 23:37:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:37:32,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:32,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-13 23:37:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-13 23:37:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:37:33,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:33,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-13 23:37:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-13 23:37:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:37:34,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:34,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-13 23:37:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-13 23:37:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:37:35,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:35,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-13 23:37:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-13 23:37:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:37:36,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-11-13 23:37:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-11-13 23:37:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:37,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:37,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2021-11-13 23:37:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2021-11-13 23:37:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:37,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:37,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2021-11-13 23:37:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2021-11-13 23:37:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:37:38,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2021-11-13 23:37:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2021-11-13 23:37:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:37:39,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:39,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2021-11-13 23:37:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2021-11-13 23:37:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:37:43,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 93 states and 163 transitions. [2021-11-13 23:37:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2021-11-13 23:37:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:37:46,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:46,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 94 states and 165 transitions. [2021-11-13 23:37:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2021-11-13 23:37:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:47,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:47,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 182 transitions. [2021-11-13 23:37:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 182 transitions. [2021-11-13 23:37:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:49,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:49,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 103 states and 183 transitions. [2021-11-13 23:37:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 183 transitions. [2021-11-13 23:37:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:50,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:50,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 104 states and 187 transitions. [2021-11-13 23:37:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2021-11-13 23:37:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:37:50,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:50,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 214 transitions. [2021-11-13 23:37:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2021-11-13 23:37:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:37:54,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:54,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2021-11-13 23:37:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2021-11-13 23:37:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:37:54,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:54,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 121 states and 222 transitions. [2021-11-13 23:37:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 222 transitions. [2021-11-13 23:37:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:37:55,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:55,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 122 states and 223 transitions. [2021-11-13 23:37:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2021-11-13 23:37:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:37:56,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:56,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 255 transitions. [2021-11-13 23:38:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 255 transitions. [2021-11-13 23:38:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:38:03,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:03,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 266 transitions. [2021-11-13 23:38:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2021-11-13 23:38:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:38:05,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:05,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 281 transitions. [2021-11-13 23:38:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2021-11-13 23:38:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:38:11,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:11,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 169 states and 333 transitions. [2021-11-13 23:38:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 333 transitions. [2021-11-13 23:38:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:38:19,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:19,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 182 states and 364 transitions. [2021-11-13 23:38:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 364 transitions. [2021-11-13 23:38:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:38:25,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:25,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 183 states and 367 transitions. [2021-11-13 23:38:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 367 transitions. [2021-11-13 23:38:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:38:26,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:26,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 194 states and 389 transitions. [2021-11-13 23:38:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 389 transitions. [2021-11-13 23:38:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:38:32,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:32,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 389 transitions. [2021-11-13 23:38:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 389 transitions. [2021-11-13 23:38:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:38:32,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:32,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 196 states and 393 transitions. [2021-11-13 23:38:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 393 transitions. [2021-11-13 23:38:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:38:33,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:33,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 210 states and 420 transitions. [2021-11-13 23:38:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2021-11-13 23:38:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:38:43,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:43,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 211 states and 423 transitions. [2021-11-13 23:38:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 423 transitions. [2021-11-13 23:38:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:38:44,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:44,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 220 states and 448 transitions. [2021-11-13 23:38:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 448 transitions. [2021-11-13 23:38:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:38:53,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 225 states and 462 transitions. [2021-11-13 23:38:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 462 transitions. [2021-11-13 23:38:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:38:57,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:57,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 226 states and 465 transitions. [2021-11-13 23:38:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 465 transitions. [2021-11-13 23:38:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:38:58,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:58,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 227 states and 466 transitions. [2021-11-13 23:38:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 466 transitions. [2021-11-13 23:38:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:38:59,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:59,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 228 states and 467 transitions. [2021-11-13 23:39:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 467 transitions. [2021-11-13 23:39:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:00,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 242 states and 499 transitions. [2021-11-13 23:39:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 499 transitions. [2021-11-13 23:39:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:11,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:11,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 247 states and 514 transitions. [2021-11-13 23:39:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 514 transitions. [2021-11-13 23:39:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:16,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:16,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 253 states and 527 transitions. [2021-11-13 23:39:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 527 transitions. [2021-11-13 23:39:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:21,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:21,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 254 states and 532 transitions. [2021-11-13 23:39:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 532 transitions. [2021-11-13 23:39:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:22,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:22,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 255 states and 537 transitions. [2021-11-13 23:39:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 537 transitions. [2021-11-13 23:39:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:39:24,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:24,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 256 states and 538 transitions. [2021-11-13 23:39:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 538 transitions. [2021-11-13 23:39:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:39:25,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:25,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:39:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 256 states and 537 transitions. [2021-11-13 23:39:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 537 transitions. [2021-11-13 23:39:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:26,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:26,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 265 states and 557 transitions. [2021-11-13 23:39:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 557 transitions. [2021-11-13 23:39:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:36,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:36,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 270 states and 577 transitions. [2021-11-13 23:39:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 577 transitions. [2021-11-13 23:39:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:40,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:40,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 275 states and 593 transitions. [2021-11-13 23:39:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 593 transitions. [2021-11-13 23:39:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:45,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:45,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 277 states and 595 transitions. [2021-11-13 23:39:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 595 transitions. [2021-11-13 23:39:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:47,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:47,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 282 states and 603 transitions. [2021-11-13 23:39:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 603 transitions. [2021-11-13 23:39:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:52,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 283 states and 604 transitions. [2021-11-13 23:39:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 604 transitions. [2021-11-13 23:39:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:39:53,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:53,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 284 states and 605 transitions. [2021-11-13 23:39:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 605 transitions. [2021-11-13 23:39:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:39:54,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:54,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:39:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 284 states and 604 transitions. [2021-11-13 23:39:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 604 transitions. [2021-11-13 23:39:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:39:55,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:55,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.