./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/max-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB --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 d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:51,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:51,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:51,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:51,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:51,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:51,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:51,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:51,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:51,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:51,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:51,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:51,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:51,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:51,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:51,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:51,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:51,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:51,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:51,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:51,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:51,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:51,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:51,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:51,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:51,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:51,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:51,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:51,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:51,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:51,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:51,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:51,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:51,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:51,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:51,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:51,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:51,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:51,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:51,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:51,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:51,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:51,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:51,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:51,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:51,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:51,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:51,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:51,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:51,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:51,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:51,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:51,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:51,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:51,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:51,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:51,502 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:51,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:51,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:51,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:51,503 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:51,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:51,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:51,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:51,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:51,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:51,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:51,505 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:51,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:51,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:51,508 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_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f [2022-10-17 17:00:51,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:51,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:51,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:51,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:51,819 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:51,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/max-2-u.c [2022-10-17 17:00:51,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/data/f47b354fc/9b12a01a1e814cceb232159a22a7c58d/FLAG1fcad3b39 [2022-10-17 17:00:52,507 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:52,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/sv-benchmarks/c/array-multidimensional/max-2-u.c [2022-10-17 17:00:52,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/data/f47b354fc/9b12a01a1e814cceb232159a22a7c58d/FLAG1fcad3b39 [2022-10-17 17:00:52,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/data/f47b354fc/9b12a01a1e814cceb232159a22a7c58d [2022-10-17 17:00:52,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:52,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:52,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:52,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:52,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:52,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e50379b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52, skipping insertion in model container [2022-10-17 17:00:52,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:52,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:53,105 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_ee749217-ba47-428e-8c13-7078932c030c/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2022-10-17 17:00:53,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,152 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:53,167 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_ee749217-ba47-428e-8c13-7078932c030c/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2022-10-17 17:00:53,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,206 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:53,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53 WrapperNode [2022-10-17 17:00:53,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:53,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:53,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,251 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-10-17 17:00:53,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:53,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:53,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:53,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:53,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:53,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:53,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:53,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:53,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee749217-ba47-428e-8c13-7078932c030c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:53,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:53,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:53,463 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:53,466 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:53,646 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:53,706 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:53,707 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:00:53,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:53 BoogieIcfgContainer [2022-10-17 17:00:53,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:53,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:53,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:53,721 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:53,721 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-10-17 17:00:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-10-17 17:00:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:53,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:00:53,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 17:00:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 17:00:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:54,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-10-17 17:00:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-10-17 17:00:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:00:54,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 17:00:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 17:00:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:00:54,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 17:00:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 17:00:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:54,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2022-10-17 17:00:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2022-10-17 17:00:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:00:55,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:00:55,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-10-17 17:00:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-10-17 17:00:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:55,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:00:55,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-10-17 17:00:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-10-17 17:00:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:55,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:00:55,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2022-10-17 17:00:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2022-10-17 17:00:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:00:55,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:00:55,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 17:00:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:00:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:00:56,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:00:56,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 17:00:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 17:00:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:00:56,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:00:56,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 17:00:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 17:00:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:56,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:00:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-10-17 17:00:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-10-17 17:00:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:56,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:00:56,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-10-17 17:00:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 17:00:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:00:57,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:00:57,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-10-17 17:00:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-10-17 17:00:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:57,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:00:57,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-10-17 17:00:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-10-17 17:00:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:00:57,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:00:57,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 17:00:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 17:00:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:00:57,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:00:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-10-17 17:00:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-10-17 17:00:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:00:58,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:00:58,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-10-17 17:00:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-10-17 17:00:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:00:58,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:00:58,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-10-17 17:00:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-10-17 17:00:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:00:58,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:00:58,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-10-17 17:00:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-10-17 17:00:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:00:59,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:00:59,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-10-17 17:00:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-10-17 17:00:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:00:59,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:00:59,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-10-17 17:00:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-10-17 17:00:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:00:59,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:00:59,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2022-10-17 17:01:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-10-17 17:01:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:00,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:00,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:01:00,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-10-17 17:01:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-10-17 17:01:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:01:00,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:00,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:01:00,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2022-10-17 17:01:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-10-17 17:01:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:01:00,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:01:01,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2022-10-17 17:01:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-10-17 17:01:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:01:01,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:01:01,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2022-10-17 17:01:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-10-17 17:01:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:01:01,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:01:01,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-10-17 17:01:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-10-17 17:01:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:01:02,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:02,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:02,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:01:02,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-10-17 17:01:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-10-17 17:01:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:01:02,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:02,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:01:02,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-10-17 17:01:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-10-17 17:01:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:01:02,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:01:03,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2022-10-17 17:01:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-10-17 17:01:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:03,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:01:03,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-10-17 17:01:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-10-17 17:01:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:01:03,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:01:03,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-10-17 17:01:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-10-17 17:01:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:01:04,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:04,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:04,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:01:04,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-10-17 17:01:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-10-17 17:01:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:01:04,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:04,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:01:04,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-10-17 17:01:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-10-17 17:01:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:01:05,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:05,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:01:05,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2022-10-17 17:01:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-10-17 17:01:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:05,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:05,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:01:05,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2022-10-17 17:01:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-10-17 17:01:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:01:06,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:06,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:01:06,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-10-17 17:01:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-10-17 17:01:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:01:06,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:06,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:01:06,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2022-10-17 17:01:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-10-17 17:01:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:07,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:07,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:07,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:01:07,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2022-10-17 17:01:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2022-10-17 17:01:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:07,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:07,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:01:07,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2022-10-17 17:01:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-10-17 17:01:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:01:08,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:08,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:08,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:01:08,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2022-10-17 17:01:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2022-10-17 17:01:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:01:08,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:08,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:08,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:01:08,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2022-10-17 17:01:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-10-17 17:01:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:01:09,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:09,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:01:09,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2022-10-17 17:01:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2022-10-17 17:01:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:01:09,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:01:09,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2022-10-17 17:01:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2022-10-17 17:01:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:01:10,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:10,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:10,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:01:10,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2022-10-17 17:01:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2022-10-17 17:01:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:01:10,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:10,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:01:10,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2022-10-17 17:01:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-10-17 17:01:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:11,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:11,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:01:11,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2022-10-17 17:01:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-10-17 17:01:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:01:11,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:01:12,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2022-10-17 17:01:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-10-17 17:01:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:12,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:12,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:01:12,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2022-10-17 17:01:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-10-17 17:01:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:01:13,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:01:13,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2022-10-17 17:01:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2022-10-17 17:01:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:01:13,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:01:13,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2022-10-17 17:01:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2022-10-17 17:01:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:01:14,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:14,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:01:14,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2022-10-17 17:01:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2022-10-17 17:01:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:01:14,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:14,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:01:14,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2022-10-17 17:01:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2022-10-17 17:01:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:01:15,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:15,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:01:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2022-10-17 17:01:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-10-17 17:01:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:01:15,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:16,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2022-10-17 17:01:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2022-10-17 17:01:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:01:16,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2022-10-17 17:01:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2022-10-17 17:01:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:01:17,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2022-10-17 17:01:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-10-17 17:01:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:01:17,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2022-10-17 17:01:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2022-10-17 17:01:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:01:18,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2022-10-17 17:01:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2022-10-17 17:01:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:01:19,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2022-10-17 17:01:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2022-10-17 17:01:19,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:01:19,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2022-10-17 17:01:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-10-17 17:01:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:01:20,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2022-10-17 17:01:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2022-10-17 17:01:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:01:21,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 65 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2022-10-17 17:01:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-10-17 17:01:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:01:22,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-17 17:01:22,243 INFO L286 TraceCheckSpWp]: Computing forward predicates...