./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:36:53,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:36:53,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:36:53,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:36:53,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:36:53,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:36:53,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:36:53,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:36:53,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:36:53,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:36:53,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:36:53,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:36:53,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:36:53,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:36:53,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:36:53,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:36:53,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:36:53,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:36:53,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:36:53,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:36:53,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:36:53,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:36:53,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:36:53,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:36:53,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:36:53,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:36:53,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:36:53,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:36:53,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:36:53,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:36:53,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:36:53,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:36:53,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:36:53,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:36:53,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:36:53,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:36:53,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:36:53,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:36:53,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:36:53,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:36:53,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:36:53,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:36:53,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:36:53,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:36:53,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:36:53,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:36:53,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:36:53,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:36:53,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:36:53,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:36:53,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:36:53,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:36:53,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:36:53,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:36:53,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:36:53,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:36:53,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:36:53,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:36:53,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:36:53,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:36:53,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:36:53,481 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:36:53,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:36:53,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:36:53,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:36:53,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:36:53,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:36:53,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:36:53,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:36:53,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:36:53,484 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_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2021-11-13 22:36:53,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:36:53,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:36:53,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:36:53,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:36:53,900 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:36:53,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-invgen/nested6.i [2021-11-13 22:36:54,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/data/702f6bf8f/782584c443a94eb48a8401d63900049b/FLAGb24dadd3d [2021-11-13 22:36:54,618 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:36:54,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/sv-benchmarks/c/loop-invgen/nested6.i [2021-11-13 22:36:54,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/data/702f6bf8f/782584c443a94eb48a8401d63900049b/FLAGb24dadd3d [2021-11-13 22:36:54,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/data/702f6bf8f/782584c443a94eb48a8401d63900049b [2021-11-13 22:36:54,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:36:54,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:36:54,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:36:54,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:36:54,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:36:54,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:54" (1/1) ... [2021-11-13 22:36:54,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddbd384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:54, skipping insertion in model container [2021-11-13 22:36:54,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:54" (1/1) ... [2021-11-13 22:36:54,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:36:55,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:36:55,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-13 22:36:55,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:36:55,324 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:36:55,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-13 22:36:55,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:36:55,380 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:36:55,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55 WrapperNode [2021-11-13 22:36:55,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:36:55,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:36:55,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:36:55,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:36:55,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:36:55,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:36:55,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:36:55,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:36:55,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:36:55,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:36:55,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:36:55,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:36:55,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:36:55,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:36:55,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:36:55,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:36:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:36:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:36:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:36:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:36:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 22:36:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 22:36:55,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:36:55,883 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:36:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:55 BoogieIcfgContainer [2021-11-13 22:36:55,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:36:55,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:36:55,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:36:55,901 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:36:55,902 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:55" (1/1) ... [2021-11-13 22:36:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:36:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-13 22:36:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-13 22:36:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:36:56,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2021-11-13 22:36:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-13 22:36:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:36:56,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2021-11-13 22:36:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-13 22:36:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:36:56,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2021-11-13 22:36:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-11-13 22:36:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:36:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:57,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2021-11-13 22:36:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-11-13 22:36:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:36:57,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:57,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2021-11-13 22:36:58,123 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-13 22:36:58,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:36:58,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2021-11-13 22:36:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2021-11-13 22:36:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:36:58,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:58,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2021-11-13 22:36:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-13 22:36:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:36:58,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:37:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2021-11-13 22:37:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-13 22:37:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:37:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:37:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2021-11-13 22:37:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-13 22:37:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:37:00,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:00,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:37:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2021-11-13 22:37:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-13 22:37:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:37:01,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:01,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:37:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2021-11-13 22:37:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2021-11-13 22:37:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:37:01,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:01,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:37:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2021-11-13 22:37:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-11-13 22:37:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:02,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:02,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2021-11-13 22:37:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-11-13 22:37:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:37:03,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:03,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:37:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2021-11-13 22:37:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2021-11-13 22:37:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:03,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:03,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:37:04,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2021-11-13 22:37:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2021-11-13 22:37:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:37:04,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:04,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 22:37:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2021-11-13 22:37:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2021-11-13 22:37:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:37:04,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:04,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:37:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2021-11-13 22:37:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-13 22:37:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:37:05,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 22:37:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2021-11-13 22:37:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-11-13 22:37:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:37:05,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:37:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2021-11-13 22:37:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-11-13 22:37:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:37:06,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:06,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 22:37:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2021-11-13 22:37:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-11-13 22:37:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:37:07,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:07,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 22:37:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2021-11-13 22:37:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2021-11-13 22:37:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:37:09,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:09,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 22:37:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2021-11-13 22:37:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-11-13 22:37:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:37:09,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:09,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 22:37:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2021-11-13 22:37:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-11-13 22:37:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:37:10,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 22:37:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2021-11-13 22:37:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2021-11-13 22:37:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:37:11,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:11,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 22:37:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2021-11-13 22:37:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-13 22:37:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:37:14,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:14,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 22:37:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2021-11-13 22:37:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-13 22:37:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:37:15,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:15,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 22:37:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2021-11-13 22:37:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2021-11-13 22:37:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:37:16,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:16,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-13 22:37:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2021-11-13 22:37:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2021-11-13 22:37:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:37:17,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:17,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-13 22:37:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2021-11-13 22:37:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-11-13 22:37:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:37:18,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:18,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 22:37:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2021-11-13 22:37:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2021-11-13 22:37:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:37:20,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:20,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 22:37:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2021-11-13 22:37:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-11-13 22:37:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:37:21,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:21,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 22:37:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2021-11-13 22:37:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2021-11-13 22:37:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:37:21,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:21,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 22:37:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2021-11-13 22:37:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2021-11-13 22:37:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:37:24,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:24,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-13 22:37:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2021-11-13 22:37:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-11-13 22:37:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 22:37:28,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:28,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-13 22:37:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2021-11-13 22:37:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2021-11-13 22:37:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:37:29,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:29,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-13 22:37:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 274 transitions. [2021-11-13 22:37:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 274 transitions. [2021-11-13 22:37:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 22:37:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:34,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-13 22:37:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 150 states and 286 transitions. [2021-11-13 22:37:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 286 transitions. [2021-11-13 22:37:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:37:35,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:35,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-13 22:37:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 157 states and 298 transitions. [2021-11-13 22:37:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2021-11-13 22:37:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:37:38,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:38,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-13 22:37:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 158 states and 299 transitions. [2021-11-13 22:37:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2021-11-13 22:37:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 22:37:38,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:38,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-13 22:37:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 160 states and 302 transitions. [2021-11-13 22:37:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2021-11-13 22:37:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 22:37:39,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:39,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 22:37:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 162 states and 310 transitions. [2021-11-13 22:37:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 310 transitions. [2021-11-13 22:37:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 22:37:40,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:40,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-13 22:37:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 168 states and 318 transitions. [2021-11-13 22:37:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 318 transitions. [2021-11-13 22:37:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 22:37:42,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:42,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 22:37:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 169 states and 319 transitions. [2021-11-13 22:37:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2021-11-13 22:37:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 22:37:43,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:43,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:43,235 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-13 22:37:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 165 states and 310 transitions. [2021-11-13 22:37:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2021-11-13 22:37:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 22:37:43,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:43,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-13 22:37:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 317 transitions. [2021-11-13 22:37:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2021-11-13 22:37:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 22:37:44,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:44,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:45,576 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-13 22:37:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 171 states and 323 transitions. [2021-11-13 22:37:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 323 transitions. [2021-11-13 22:37:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 22:37:47,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:47,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-13 22:37:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 172 states and 323 transitions. [2021-11-13 22:37:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2021-11-13 22:37:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 22:37:48,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:48,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-13 22:37:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 173 states and 323 transitions. [2021-11-13 22:37:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2021-11-13 22:37:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 22:37:49,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:49,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 22:37:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 194 states and 369 transitions. [2021-11-13 22:37:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2021-11-13 22:37:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 22:37:57,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 22:38:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 203 states and 382 transitions. [2021-11-13 22:38:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 382 transitions. [2021-11-13 22:38:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 22:38:00,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:00,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-13 22:38:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 204 states and 382 transitions. [2021-11-13 22:38:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 382 transitions. [2021-11-13 22:38:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 22:38:00,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:00,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-13 22:38:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 206 states and 392 transitions. [2021-11-13 22:38:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 392 transitions. [2021-11-13 22:38:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 22:38:02,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:02,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-13 22:38:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 213 states and 404 transitions. [2021-11-13 22:38:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 404 transitions. [2021-11-13 22:38:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 22:38:04,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:04,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-13 22:38:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 217 states and 410 transitions. [2021-11-13 22:38:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 410 transitions. [2021-11-13 22:38:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 22:38:05,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:05,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-13 22:38:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 228 states and 439 transitions. [2021-11-13 22:38:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 439 transitions. [2021-11-13 22:38:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 22:38:10,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:10,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-13 22:38:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 231 states and 443 transitions. [2021-11-13 22:38:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 443 transitions. [2021-11-13 22:38:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 22:38:11,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:11,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-13 22:38:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 234 states and 449 transitions. [2021-11-13 22:38:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 449 transitions. [2021-11-13 22:38:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 22:38:13,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:13,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-13 22:38:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 238 states and 456 transitions. [2021-11-13 22:38:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2021-11-13 22:38:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 22:38:14,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:14,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-13 22:38:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 239 states and 457 transitions. [2021-11-13 22:38:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 457 transitions. [2021-11-13 22:38:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 22:38:15,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:15,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-13 22:38:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 243 states and 462 transitions. [2021-11-13 22:38:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2021-11-13 22:38:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 22:38:17,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:17,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-13 22:38:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 246 states and 468 transitions. [2021-11-13 22:38:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 468 transitions. [2021-11-13 22:38:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 22:38:20,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:20,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-13 22:38:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 247 states and 468 transitions. [2021-11-13 22:38:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 468 transitions. [2021-11-13 22:38:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 22:38:22,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:22,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 152 proven. 22 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2021-11-13 22:38:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 250 states and 472 transitions. [2021-11-13 22:38:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2021-11-13 22:38:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:38:23,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:23,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-13 22:38:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 271 states and 513 transitions. [2021-11-13 22:38:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 513 transitions. [2021-11-13 22:38:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:38:32,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:32,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-13 22:38:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 280 states and 530 transitions. [2021-11-13 22:38:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 530 transitions. [2021-11-13 22:38:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:38:36,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:36,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-13 22:38:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 281 states and 530 transitions. [2021-11-13 22:38:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 530 transitions. [2021-11-13 22:38:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:38:37,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:37,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-11-13 22:38:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 234 states and 397 transitions. [2021-11-13 22:38:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-13 22:38:38,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 22:38:38,252 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2021-11-13 22:38:38,262 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-13 22:38:39,754 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 22:38:39,758 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 22:38:39,758 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2021-11-13 22:38:39,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 22:38:39,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 22:38:39,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:38:39 ImpRootNode [2021-11-13 22:38:39,768 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 22:38:39,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 22:38:39,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 22:38:39,769 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 22:38:39,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:55" (3/4) ... [2021-11-13 22:38:39,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 22:38:39,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 22:38:39,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-13 22:38:39,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 22:38:39,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 22:38:39,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 22:38:39,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 22:38:39,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 22:38:39,836 INFO L158 Benchmark]: Toolchain (without parser) took 104874.49ms. Allocated memory was 102.8MB in the beginning and 736.1MB in the end (delta: 633.3MB). Free memory was 69.1MB in the beginning and 318.5MB in the end (delta: -249.3MB). Peak memory consumption was 384.3MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,837 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:38:39,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.13ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 79.5MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,838 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,843 INFO L158 Benchmark]: RCFGBuilder took 435.69ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 66.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,843 INFO L158 Benchmark]: CodeCheck took 103879.27ms. Allocated memory was 102.8MB in the beginning and 736.1MB in the end (delta: 633.3MB). Free memory was 66.4MB in the beginning and 320.6MB in the end (delta: -254.1MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,844 INFO L158 Benchmark]: Witness Printer took 66.33ms. Allocated memory is still 736.1MB. Free memory was 320.6MB in the beginning and 318.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:38:39,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.3s, OverallIterations: 68, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18829 SdHoareTripleChecker+Valid, 101433.85ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10899 mSDsluCounter, 5103 SdHoareTripleChecker+Invalid, 84540.21ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3655 mSDsCounter, 19303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66691 IncrementalHoareTripleChecker+Invalid, 85994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19303 mSolverCounterUnsat, 1448 mSDtfsCounter, 66691 mSolverCounterSat, 1337.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38264 GetRequests, 36123 SyntacticMatches, 1349 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435723 ImplicationChecksByTransitivity, 94.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.0s InterpolantComputationTime, 4401 NumberOfCodeBlocks, 4401 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 4334 ConstructedInterpolants, 0 QuantifiedInterpolants, 11386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 9 PerfectInterpolantSequences, 11988/13925 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((2 * i <= j && j < 2 * i + 1) || (!(i == 0) && k < j)) || (!(i == 0) && n <= j)) || 2 * i < k) || k < 2 * i) || (i == 0 && j < 2 * i)) || (i == 0 && i + n < k + 1)) || j + 1 < k - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.13ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 79.5MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.69ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 66.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 103879.27ms. Allocated memory was 102.8MB in the beginning and 736.1MB in the end (delta: 633.3MB). Free memory was 66.4MB in the beginning and 320.6MB in the end (delta: -254.1MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. * Witness Printer took 66.33ms. Allocated memory is still 736.1MB. Free memory was 320.6MB in the beginning and 318.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 22:38:39,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f2b4547-4b89-4599-b32f-3c4e026be8a3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE