./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/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_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/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_ea05a041-1b41-48ef-bd53-0540c425d2cc/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 ccd7de77f49c6b9ff6e2bd62edbddc630c5186aa67a4c3123f05914f38eca6d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:23:31,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:23:31,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:23:31,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:23:31,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:23:31,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:23:31,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:23:31,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:23:31,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:23:31,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:23:31,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:23:31,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:23:31,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:23:31,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:23:31,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:23:31,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:23:31,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:23:31,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:23:31,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:23:31,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:23:31,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:23:31,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:23:31,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:23:31,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:23:31,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:23:31,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:23:31,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:23:31,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:23:31,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:23:31,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:23:31,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:23:31,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:23:31,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:23:31,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:23:31,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:23:31,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:23:31,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:23:31,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:23:31,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:23:31,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:23:31,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:23:31,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:23:31,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:23:31,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:23:31,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:23:31,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:23:31,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:23:31,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:23:31,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:23:31,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:23:31,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:23:31,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:23:31,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:23:31,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:23:31,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:23:31,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:23:31,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:23:31,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:23:31,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:23:31,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:23:31,305 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:23:31,305 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:23:31,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:23:31,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:23:31,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:23:31,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:23:31,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:23:31,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:23:31,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:23:31,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:23:31,307 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_ea05a041-1b41-48ef-bd53-0540c425d2cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccd7de77f49c6b9ff6e2bd62edbddc630c5186aa67a4c3123f05914f38eca6d7 [2021-11-21 05:23:31,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:23:31,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:23:31,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:23:31,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:23:31,619 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:23:31,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-21 05:23:31,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/data/6483ce5af/59be6574fc654f53a10f12b68a0ce0c4/FLAG329e5a6d3 [2021-11-21 05:23:32,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:23:32,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-21 05:23:32,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/data/6483ce5af/59be6574fc654f53a10f12b68a0ce0c4/FLAG329e5a6d3 [2021-11-21 05:23:32,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/data/6483ce5af/59be6574fc654f53a10f12b68a0ce0c4 [2021-11-21 05:23:32,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:23:32,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:23:32,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:23:32,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:23:32,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:23:32,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:32,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc15696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32, skipping insertion in model container [2021-11-21 05:23:32,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:32,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:23:32,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:23:32,846 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_ea05a041-1b41-48ef-bd53-0540c425d2cc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2021-11-21 05:23:32,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:23:32,887 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:23:32,924 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_ea05a041-1b41-48ef-bd53-0540c425d2cc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2021-11-21 05:23:32,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:23:32,962 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:23:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32 WrapperNode [2021-11-21 05:23:32,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:23:32,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:23:32,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:23:32,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:23:32,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:32,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,034 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 410 [2021-11-21 05:23:33,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:23:33,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:23:33,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:23:33,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:23:33,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:23:33,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:23:33,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:23:33,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:23:33,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:23:32" (1/1) ... [2021-11-21 05:23:33,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:23:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:23:33,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:23:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea05a041-1b41-48ef-bd53-0540c425d2cc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:23:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:23:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:23:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:23:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:23:33,272 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:23:33,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:23:33,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:23:33,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:23:33,905 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:23:33,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:23:33 BoogieIcfgContainer [2021-11-21 05:23:33,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:23:33,911 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:23:33,911 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:23:33,922 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:23:33,922 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:23:33" (1/1) ... [2021-11-21 05:23:33,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:23:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-21 05:23:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-21 05:23:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:23:33,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:33,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,241 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 05:23:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2021-11-21 05:23:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2021-11-21 05:23:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:23:34,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:34,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,487 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 05:23:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2021-11-21 05:23:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2021-11-21 05:23:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:23:34,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:34,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:23:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 90 states and 144 transitions. [2021-11-21 05:23:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 144 transitions. [2021-11-21 05:23:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:23:34,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:34,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,860 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 05:23:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2021-11-21 05:23:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2021-11-21 05:23:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:23:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:34,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:34,948 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 05:23:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 163 transitions. [2021-11-21 05:23:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2021-11-21 05:23:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:23:35,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,222 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 05:23:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2021-11-21 05:23:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2021-11-21 05:23:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:23:35,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,338 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 05:23:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 168 transitions. [2021-11-21 05:23:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2021-11-21 05:23:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:23:35,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,394 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 05:23:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 109 states and 173 transitions. [2021-11-21 05:23:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2021-11-21 05:23:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:23:35,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,467 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 05:23:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 110 states and 173 transitions. [2021-11-21 05:23:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2021-11-21 05:23:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:23:35,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:35,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:35,558 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 05:23:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2021-11-21 05:23:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2021-11-21 05:23:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:23:36,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,233 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 05:23:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2021-11-21 05:23:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2021-11-21 05:23:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:23:36,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,893 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 05:23:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 137 states and 219 transitions. [2021-11-21 05:23:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 219 transitions. [2021-11-21 05:23:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:23:36,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,932 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 05:23:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2021-11-21 05:23:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2021-11-21 05:23:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:23:36,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:36,971 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 05:23:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 141 states and 224 transitions. [2021-11-21 05:23:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2021-11-21 05:23:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:23:36,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:36,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,008 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 05:23:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 142 states and 224 transitions. [2021-11-21 05:23:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2021-11-21 05:23:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:37,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,051 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 05:23:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 145 states and 229 transitions. [2021-11-21 05:23:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2021-11-21 05:23:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:37,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,089 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 05:23:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 148 states and 234 transitions. [2021-11-21 05:23:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 234 transitions. [2021-11-21 05:23:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:37,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,128 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 05:23:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 149 states and 234 transitions. [2021-11-21 05:23:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 234 transitions. [2021-11-21 05:23:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:37,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,165 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 05:23:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2021-11-21 05:23:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2021-11-21 05:23:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:37,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:37,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:37,234 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 05:23:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 163 states and 255 transitions. [2021-11-21 05:23:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2021-11-21 05:23:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:23:38,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:38,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:38,702 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 05:23:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 180 states and 280 transitions. [2021-11-21 05:23:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 280 transitions. [2021-11-21 05:23:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:23:42,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:42,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:42,418 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 05:23:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 183 states and 286 transitions. [2021-11-21 05:23:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2021-11-21 05:23:42,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:23:42,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:42,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:42,694 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 05:23:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 191 states and 300 transitions. [2021-11-21 05:23:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 300 transitions. [2021-11-21 05:23:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:23:47,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:47,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:48,144 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 05:24:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 214 states and 354 transitions. [2021-11-21 05:24:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 354 transitions. [2021-11-21 05:24:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:24:03,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:03,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:03,047 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 05:24:03,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 215 states and 354 transitions. [2021-11-21 05:24:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 354 transitions. [2021-11-21 05:24:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:24:03,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:03,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:03,869 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 05:24:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 228 states and 380 transitions. [2021-11-21 05:24:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 380 transitions. [2021-11-21 05:24:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:24:18,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:18,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:18,847 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 05:24:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 236 states and 396 transitions. [2021-11-21 05:24:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 396 transitions. [2021-11-21 05:24:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:24:22,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:23,384 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 05:24:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 254 states and 430 transitions. [2021-11-21 05:24:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 430 transitions. [2021-11-21 05:24:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:24:42,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:42,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:42,187 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 05:24:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 262 states and 443 transitions. [2021-11-21 05:24:45,915 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 443 transitions. [2021-11-21 05:24:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:24:45,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:45,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:45,989 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 05:24:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 270 states and 458 transitions. [2021-11-21 05:24:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 458 transitions. [2021-11-21 05:24:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:24:50,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:50,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:50,230 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 05:24:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 273 states and 463 transitions. [2021-11-21 05:24:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 463 transitions. [2021-11-21 05:24:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:24:51,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:51,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:51,833 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 05:25:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 277 states and 473 transitions. [2021-11-21 05:25:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 473 transitions. [2021-11-21 05:25:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:15,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:15,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:15,707 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 05:25:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 286 states and 491 transitions. [2021-11-21 05:25:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 491 transitions. [2021-11-21 05:25:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:24,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:24,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:24,664 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 05:25:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 300 states and 519 transitions. [2021-11-21 05:25:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 519 transitions. [2021-11-21 05:25:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:37,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:37,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:38,198 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 05:25:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 319 states and 555 transitions. [2021-11-21 05:25:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 555 transitions. [2021-11-21 05:25:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:25:55,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:55,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:55,571 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 05:26:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 324 states and 569 transitions. [2021-11-21 05:26:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 569 transitions. [2021-11-21 05:26:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:26:01,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:01,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:02,104 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 05:26:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 327 states and 575 transitions. [2021-11-21 05:26:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 575 transitions. [2021-11-21 05:26:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:26:05,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:05,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:05,934 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 05:26:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 330 states and 581 transitions. [2021-11-21 05:26:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 581 transitions. [2021-11-21 05:26:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:26:10,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:10,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:10,259 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 05:26:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 333 states and 587 transitions. [2021-11-21 05:26:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 587 transitions. [2021-11-21 05:26:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:14,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:14,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:14,182 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 05:26:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 336 states and 596 transitions. [2021-11-21 05:26:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 596 transitions. [2021-11-21 05:26:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:18,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:18,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:18,695 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 05:26:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 339 states and 601 transitions. [2021-11-21 05:26:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 601 transitions. [2021-11-21 05:26:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:22,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:22,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:22,433 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 05:26:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 342 states and 606 transitions. [2021-11-21 05:26:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 606 transitions. [2021-11-21 05:26:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:26,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:26,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:26,761 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 05:26:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 345 states and 612 transitions. [2021-11-21 05:26:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 612 transitions. [2021-11-21 05:26:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:30,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:30,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:31,380 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 05:26:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 365 states and 654 transitions. [2021-11-21 05:26:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 654 transitions. [2021-11-21 05:26:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:26:56,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:56,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:56,554 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 05:27:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 368 states and 660 transitions. [2021-11-21 05:27:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 660 transitions. [2021-11-21 05:27:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:27:01,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:01,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:01,263 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 05:27:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 376 states and 678 transitions. [2021-11-21 05:27:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 678 transitions. [2021-11-21 05:27:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:27:10,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:10,401 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 05:27:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 379 states and 684 transitions. [2021-11-21 05:27:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 684 transitions. [2021-11-21 05:27:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:27:14,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:14,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:14,806 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 05:27:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:19,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 382 states and 693 transitions. [2021-11-21 05:27:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 693 transitions. [2021-11-21 05:27:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:27:19,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:19,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:19,705 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 05:27:29,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:29,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 390 states and 711 transitions. [2021-11-21 05:27:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 711 transitions. [2021-11-21 05:27:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:27:29,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:29,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:29,081 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 05:27:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 393 states and 716 transitions. [2021-11-21 05:27:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 716 transitions. [2021-11-21 05:27:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:27:33,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:33,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:33,932 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 05:27:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 396 states and 721 transitions. [2021-11-21 05:27:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 721 transitions. [2021-11-21 05:27:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:27:38,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 425 states and 824 transitions. [2021-11-21 05:28:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 824 transitions. [2021-11-21 05:28:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:28:13,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:13,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 449 states and 920 transitions. [2021-11-21 05:28:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 920 transitions. [2021-11-21 05:28:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:28:48,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:48,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 475 states and 1017 transitions. [2021-11-21 05:29:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1017 transitions. [2021-11-21 05:29:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:29:29,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:29,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 497 states and 1109 transitions. [2021-11-21 05:30:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1109 transitions. [2021-11-21 05:30:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:30:06,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:06,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 513 states and 1154 transitions. [2021-11-21 05:30:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1154 transitions. [2021-11-21 05:30:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:30:31,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:31,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 547 states and 1276 transitions. [2021-11-21 05:32:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1276 transitions. [2021-11-21 05:32:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:32:31,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:31,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 567 states and 1352 transitions. [2021-11-21 05:33:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1352 transitions. [2021-11-21 05:33:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:33:21,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:21,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 575 states and 1375 transitions. [2021-11-21 05:33:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1375 transitions. [2021-11-21 05:33:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:33:37,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:37,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 608 states and 1509 transitions. [2021-11-21 05:35:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1509 transitions. [2021-11-21 05:35:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:35:12,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:12,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 616 states and 1530 transitions. [2021-11-21 05:35:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1530 transitions. [2021-11-21 05:35:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:35:23,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:23,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 624 states and 1548 transitions. [2021-11-21 05:35:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1548 transitions. [2021-11-21 05:35:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:35:39,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:39,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 627 states and 1558 transitions. [2021-11-21 05:35:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1558 transitions. [2021-11-21 05:35:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:35:46,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:46,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.