./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY --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 b3a725921be8310e882457f7f33c9ff7dbee0bc2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:32:32,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:32:32,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:32:32,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:32:32,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:32:32,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:32:32,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:32:32,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:32:32,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:32:32,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:32:32,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:32:32,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:32:32,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:32:32,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:32:32,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:32:32,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:32:32,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:32:32,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:32:32,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:32:32,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:32:32,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:32:32,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:32:32,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:32:32,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:32:32,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:32:32,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:32:32,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:32:32,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:32:32,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:32:32,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:32:32,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:32:32,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:32:32,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:32:32,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:32:32,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:32:32,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:32:32,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:32:32,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:32:32,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:32:32,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:32:32,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:32:32,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:32:32,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:32:32,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:32:32,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:32:32,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:32:32,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:32:32,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:32:32,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:32:32,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:32:32,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:32:32,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:32:32,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:32:32,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:32:32,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:32:32,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:32:32,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:32:32,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:32:32,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:32:32,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:32:32,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:32:32,604 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:32:32,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:32:32,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:32:32,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:32:32,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:32:32,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:32:32,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:32:32,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:32:32,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:32:32,606 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_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a725921be8310e882457f7f33c9ff7dbee0bc2 [2021-10-13 03:32:32,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:32:32,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:32:32,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:32:32,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:32:32,939 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:32:32,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/nested6.i [2021-10-13 03:32:33,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/data/4652432b6/3f436f350620453f85a3ec0f8eb0b0a7/FLAG45ad18035 [2021-10-13 03:32:33,486 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:32:33,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/sv-benchmarks/c/loop-invgen/nested6.i [2021-10-13 03:32:33,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/data/4652432b6/3f436f350620453f85a3ec0f8eb0b0a7/FLAG45ad18035 [2021-10-13 03:32:33,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/data/4652432b6/3f436f350620453f85a3ec0f8eb0b0a7 [2021-10-13 03:32:33,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:32:33,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:32:33,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:32:33,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:32:33,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:32:33,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:32:33" (1/1) ... [2021-10-13 03:32:33,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6991dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:33, skipping insertion in model container [2021-10-13 03:32:33,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:32:33" (1/1) ... [2021-10-13 03:32:33,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:32:33,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:32:34,099 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_37f9f855-516b-423f-ae1a-ed142b9a7458/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-10-13 03:32:34,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:32:34,122 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:32:34,135 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_37f9f855-516b-423f-ae1a-ed142b9a7458/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-10-13 03:32:34,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:32:34,153 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:32:34,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34 WrapperNode [2021-10-13 03:32:34,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:32:34,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:32:34,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:32:34,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:32:34,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:32:34,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:32:34,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:32:34,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:32:34,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:32:34,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:32:34,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:32:34,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:32:34,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:32:34,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:32:34,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:32:34,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:32:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:32:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:32:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:32:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:32:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 03:32:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 03:32:34,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:32:34,544 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 03:32:34,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:32:34 BoogieIcfgContainer [2021-10-13 03:32:34,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:32:34,548 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:32:34,548 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:32:34,570 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:32:34,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:32:34" (1/1) ... [2021-10-13 03:32:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:32:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-13 03:32:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-13 03:32:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:32:34,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:34,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2021-10-13 03:32:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-10-13 03:32:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:32:34,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:34,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2021-10-13 03:32:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-10-13 03:32:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:32:35,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:35,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2021-10-13 03:32:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-10-13 03:32:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:32:35,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:35,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2021-10-13 03:32:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-10-13 03:32:35,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:32:35,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:35,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2021-10-13 03:32:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-10-13 03:32:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:32:36,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:36,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2021-10-13 03:32:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2021-10-13 03:32:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 03:32:36,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:36,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:32:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2021-10-13 03:32:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-10-13 03:32:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:32:36,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:36,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:32:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2021-10-13 03:32:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-10-13 03:32:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:32:37,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:37,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:32:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2021-10-13 03:32:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-10-13 03:32:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 03:32:38,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:38,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:32:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2021-10-13 03:32:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-10-13 03:32:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:32:39,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:39,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 03:32:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2021-10-13 03:32:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2021-10-13 03:32:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:32:39,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:39,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:32:40,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2021-10-13 03:32:40,244 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-10-13 03:32:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 03:32:40,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:40,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:32:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2021-10-13 03:32:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-10-13 03:32:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:32:40,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:40,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 03:32:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2021-10-13 03:32:41,272 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2021-10-13 03:32:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 03:32:41,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:41,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 03:32:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2021-10-13 03:32:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2021-10-13 03:32:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:32:41,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:41,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 03:32:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2021-10-13 03:32:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2021-10-13 03:32:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:32:42,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:42,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:32:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2021-10-13 03:32:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-10-13 03:32:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 03:32:42,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:42,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 03:32:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2021-10-13 03:32:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-10-13 03:32:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:32:43,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:43,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-13 03:32:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2021-10-13 03:32:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-10-13 03:32:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 03:32:43,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:43,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-13 03:32:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2021-10-13 03:32:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-10-13 03:32:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 03:32:44,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:44,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:32:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2021-10-13 03:32:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2021-10-13 03:32:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 03:32:46,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:46,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:32:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2021-10-13 03:32:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-10-13 03:32:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:32:46,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:46,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-13 03:32:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2021-10-13 03:32:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-10-13 03:32:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 03:32:47,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:47,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-13 03:32:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2021-10-13 03:32:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2021-10-13 03:32:48,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:32:48,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:48,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-13 03:32:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2021-10-13 03:32:51,061 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-10-13 03:32:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:32:51,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:51,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-13 03:32:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2021-10-13 03:32:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-10-13 03:32:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:32:52,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:52,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-13 03:32:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2021-10-13 03:32:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2021-10-13 03:32:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 03:32:53,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:53,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-13 03:32:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2021-10-13 03:32:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2021-10-13 03:32:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 03:32:54,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:54,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-13 03:32:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2021-10-13 03:32:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-10-13 03:32:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-13 03:32:55,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:55,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-13 03:32:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2021-10-13 03:32:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2021-10-13 03:32:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-13 03:32:56,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:56,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-13 03:32:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2021-10-13 03:32:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-10-13 03:32:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-13 03:32:57,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:57,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-13 03:32:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:32:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2021-10-13 03:32:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2021-10-13 03:32:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-13 03:32:57,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:32:57,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:32:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:32:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-13 03:33:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2021-10-13 03:33:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2021-10-13 03:33:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 03:33:00,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:00,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-10-13 03:33:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2021-10-13 03:33:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-10-13 03:33:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-13 03:33:03,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:03,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-10-13 03:33:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2021-10-13 03:33:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2021-10-13 03:33:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 03:33:04,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:04,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-13 03:33:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 144 states and 280 transitions. [2021-10-13 03:33:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2021-10-13 03:33:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-13 03:33:09,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:09,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-13 03:33:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 149 states and 290 transitions. [2021-10-13 03:33:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2021-10-13 03:33:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 03:33:10,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:10,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-13 03:33:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 157 states and 303 transitions. [2021-10-13 03:33:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2021-10-13 03:33:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-13 03:33:12,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:12,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-13 03:33:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 163 states and 315 transitions. [2021-10-13 03:33:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2021-10-13 03:33:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 03:33:14,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:14,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-13 03:33:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 315 transitions. [2021-10-13 03:33:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2021-10-13 03:33:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-13 03:33:14,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:14,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-10-13 03:33:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 166 states and 318 transitions. [2021-10-13 03:33:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 318 transitions. [2021-10-13 03:33:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-13 03:33:15,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:15,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-10-13 03:33:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 326 transitions. [2021-10-13 03:33:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 326 transitions. [2021-10-13 03:33:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-13 03:33:16,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:16,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-13 03:33:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 174 states and 334 transitions. [2021-10-13 03:33:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 334 transitions. [2021-10-13 03:33:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-13 03:33:17,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:17,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-13 03:33:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 175 states and 334 transitions. [2021-10-13 03:33:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 334 transitions. [2021-10-13 03:33:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 03:33:18,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:18,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-13 03:33:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 176 states and 336 transitions. [2021-10-13 03:33:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 336 transitions. [2021-10-13 03:33:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-13 03:33:18,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:18,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-13 03:33:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 174 states and 331 transitions. [2021-10-13 03:33:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 331 transitions. [2021-10-13 03:33:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 03:33:19,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:19,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-13 03:33:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 176 states and 333 transitions. [2021-10-13 03:33:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 333 transitions. [2021-10-13 03:33:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-13 03:33:19,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:19,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-13 03:33:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 179 states and 340 transitions. [2021-10-13 03:33:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 340 transitions. [2021-10-13 03:33:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-13 03:33:21,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:21,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-13 03:33:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 182 states and 346 transitions. [2021-10-13 03:33:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 346 transitions. [2021-10-13 03:33:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-13 03:33:23,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:23,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-13 03:33:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 183 states and 346 transitions. [2021-10-13 03:33:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 346 transitions. [2021-10-13 03:33:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-13 03:33:23,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:23,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-13 03:33:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 184 states and 346 transitions. [2021-10-13 03:33:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2021-10-13 03:33:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-13 03:33:24,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:24,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-13 03:33:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 204 states and 385 transitions. [2021-10-13 03:33:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 385 transitions. [2021-10-13 03:33:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-13 03:33:32,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:32,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-13 03:33:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 211 states and 396 transitions. [2021-10-13 03:33:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2021-10-13 03:33:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-13 03:33:34,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:34,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-13 03:33:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 212 states and 397 transitions. [2021-10-13 03:33:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 397 transitions. [2021-10-13 03:33:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-13 03:33:35,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:35,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-10-13 03:33:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 214 states and 407 transitions. [2021-10-13 03:33:36,345 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 407 transitions. [2021-10-13 03:33:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-13 03:33:36,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:36,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-13 03:33:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 221 states and 420 transitions. [2021-10-13 03:33:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 420 transitions. [2021-10-13 03:33:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-13 03:33:38,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:38,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-13 03:33:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 224 states and 425 transitions. [2021-10-13 03:33:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 425 transitions. [2021-10-13 03:33:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-13 03:33:40,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-10-13 03:33:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 235 states and 454 transitions. [2021-10-13 03:33:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 454 transitions. [2021-10-13 03:33:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-13 03:33:44,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:44,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-10-13 03:33:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 238 states and 458 transitions. [2021-10-13 03:33:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 458 transitions. [2021-10-13 03:33:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-13 03:33:45,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:45,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-10-13 03:33:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 241 states and 464 transitions. [2021-10-13 03:33:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 464 transitions. [2021-10-13 03:33:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-13 03:33:47,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:47,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-10-13 03:33:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 245 states and 471 transitions. [2021-10-13 03:33:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 471 transitions. [2021-10-13 03:33:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-13 03:33:48,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:48,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-10-13 03:33:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 246 states and 472 transitions. [2021-10-13 03:33:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 472 transitions. [2021-10-13 03:33:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-13 03:33:49,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:49,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-10-13 03:33:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 250 states and 478 transitions. [2021-10-13 03:33:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 478 transitions. [2021-10-13 03:33:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-13 03:33:51,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:51,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-10-13 03:33:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 253 states and 484 transitions. [2021-10-13 03:33:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 484 transitions. [2021-10-13 03:33:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-13 03:33:54,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:54,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-13 03:33:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 255 states and 486 transitions. [2021-10-13 03:33:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 486 transitions. [2021-10-13 03:33:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-13 03:33:54,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:54,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-13 03:33:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 256 states and 487 transitions. [2021-10-13 03:33:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 487 transitions. [2021-10-13 03:33:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-13 03:33:55,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:55,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-10-13 03:33:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:33:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 257 states and 487 transitions. [2021-10-13 03:33:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 487 transitions. [2021-10-13 03:33:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-13 03:33:56,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:33:56,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:33:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:33:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-13 03:34:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:05,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 278 states and 531 transitions. [2021-10-13 03:34:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 531 transitions. [2021-10-13 03:34:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-13 03:34:05,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:05,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-13 03:34:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:08,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 287 states and 544 transitions. [2021-10-13 03:34:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 544 transitions. [2021-10-13 03:34:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-13 03:34:08,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:08,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-13 03:34:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 288 states and 545 transitions. [2021-10-13 03:34:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 545 transitions. [2021-10-13 03:34:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-13 03:34:09,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:09,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-10-13 03:34:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 236 states and 403 transitions. [2021-10-13 03:34:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 403 transitions. [2021-10-13 03:34:10,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:34:10,486 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 72 iterations. [2021-10-13 03:34:10,493 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:34:11,773 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:34:11,777 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:34:11,777 INFO L565 CodeCheckObserver]: Invariant with dag size 27 [2021-10-13 03:34:11,785 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:34:11,785 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:34:11,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:34:11 ImpRootNode [2021-10-13 03:34:11,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:34:11,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:34:11,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:34:11,787 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:34:11,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:32:34" (3/4) ... [2021-10-13 03:34:11,802 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:34:11,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-13 03:34:11,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 03:34:11,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 03:34:11,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:34:11,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:34:11,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:34:11,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:34:11,851 INFO L168 Benchmark]: Toolchain (without parser) took 97947.58 ms. Allocated memory was 100.7 MB in the beginning and 775.9 MB in the end (delta: 675.3 MB). Free memory was 63.2 MB in the beginning and 479.5 MB in the end (delta: -416.3 MB). Peak memory consumption was 258.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,852 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:11,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.61 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 75.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.80 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 74.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:11,853 INFO L168 Benchmark]: Boogie Preprocessor took 21.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,854 INFO L168 Benchmark]: RCFGBuilder took 335.02 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 61.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,855 INFO L168 Benchmark]: CodeCheck took 97238.34 ms. Allocated memory was 100.7 MB in the beginning and 775.9 MB in the end (delta: 675.3 MB). Free memory was 61.5 MB in the beginning and 482.4 MB in the end (delta: -420.9 MB). Peak memory consumption was 256.7 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,855 INFO L168 Benchmark]: Witness Printer took 62.91 ms. Allocated memory is still 775.9 MB. Free memory was 482.4 MB in the beginning and 479.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:11,858 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: 95881.5ms, OverallIterations: 72, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 1174250828 SDslu, -2135048000 SDs, 0 SdLazy, -1394152720 SolverSat, 566298268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89063.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41477 GetRequests, 39236 SyntacticMatches, 1427 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468378 ImplicationChecksByTransitivity, 88056.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 129.6ms SsaConstructionTime, 719.3ms SatisfiabilityAnalysisTime, 19796.8ms InterpolantComputationTime, 4738 NumberOfCodeBlocks, 4738 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 4667 ConstructedInterpolants, 0 QuantifiedInterpolants, 11927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 71 InterpolantComputations, 9 PerfectInterpolantSequences, 13044/15062 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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: ((((((k < 2 * i || (n <= j && !(i == 0))) || j + 1 < k) || (j < 2 * i && i == 0)) || (j <= k && k <= j)) || 2 * i < k) || (k < j && !(i == 0))) || (2 * i <= j && n <= 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 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.61 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 75.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.80 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 74.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 335.02 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 61.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 97238.34 ms. Allocated memory was 100.7 MB in the beginning and 775.9 MB in the end (delta: 675.3 MB). Free memory was 61.5 MB in the beginning and 482.4 MB in the end (delta: -420.9 MB). Peak memory consumption was 256.7 MB. Max. memory is 16.1 GB. * Witness Printer took 62.91 ms. Allocated memory is still 775.9 MB. Free memory was 482.4 MB in the beginning and 479.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:34:11,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f9f855-516b-423f-ae1a-ed142b9a7458/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...