./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.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_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/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_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/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_f2934c57-c8b6-474a-a0a7-8db3856b17a5/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 2d5e1e94b71e060a77443e2afd511bc50cc1649d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:56:56,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:56:56,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:56:56,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:56:56,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:56:56,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:56:56,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:56:56,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:56:56,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:56:56,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:56:56,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:56:56,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:56:56,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:56:56,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:56:56,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:56:56,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:56:56,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:56:56,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:56:56,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:56:56,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:56:56,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:56:56,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:56:56,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:56:56,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:56:56,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:56:56,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:56:56,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:56:56,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:56:56,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:56:56,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:56:56,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:56:56,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:56:56,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:56:56,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:56:56,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:56:56,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:56:56,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:56:56,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:56:56,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:56:56,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:56:56,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:56:56,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:56:56,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:56:56,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:56:56,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:56:56,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:56:56,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:56:56,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:56:56,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:56:56,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:56:56,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:56:56,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:56:56,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:56:56,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:56:56,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:56:56,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:56:56,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:56:56,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:56:56,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:56:56,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:56:56,476 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:56:56,477 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:56:56,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:56:56,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:56:56,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:56:56,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:56:56,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:56:56,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:56:56,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:56:56,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:56:56,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2021-10-13 03:56:56,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:56:56,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:56:56,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:56:56,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:56:56,801 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:56:56,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-10-13 03:56:56,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/data/ecd991407/e567c6c09e2642a9bd8619be96395a2f/FLAGda639f63c [2021-10-13 03:56:57,319 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:56:57,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-10-13 03:56:57,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/data/ecd991407/e567c6c09e2642a9bd8619be96395a2f/FLAGda639f63c [2021-10-13 03:56:57,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/data/ecd991407/e567c6c09e2642a9bd8619be96395a2f [2021-10-13 03:56:57,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:56:57,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:56:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:56:57,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:56:57,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:56:57,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:57,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490b084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57, skipping insertion in model container [2021-10-13 03:56:57,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:57,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:56:57,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:56:57,893 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_f2934c57-c8b6-474a-a0a7-8db3856b17a5/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-10-13 03:56:57,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:56:57,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:56:57,959 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_f2934c57-c8b6-474a-a0a7-8db3856b17a5/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-10-13 03:56:57,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:56:57,995 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:56:57,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57 WrapperNode [2021-10-13 03:56:57,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:56:57,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:56:57,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:56:57,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:56:58,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:56:58,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:56:58,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:56:58,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:56:58,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:56:58,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:56:58,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:56:58,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:56:58,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:57" (1/1) ... [2021-10-13 03:56:58,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:56:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:56:58,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:56:58,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:56:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:56:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:56:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:56:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:56:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 03:56:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 03:56:58,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:56:58,488 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 03:56:58,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:58 BoogieIcfgContainer [2021-10-13 03:56:58,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:56:58,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:56:58,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:56:58,502 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:56:58,502 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:58" (1/1) ... [2021-10-13 03:56:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:56:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-10-13 03:56:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-10-13 03:56:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:56:58,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:58,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:58,708 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 03:56:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-10-13 03:56:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-10-13 03:56:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:56:58,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:58,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:58,823 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 03:56:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2021-10-13 03:56:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2021-10-13 03:56:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:56:58,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:58,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,030 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 03:56:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-10-13 03:56:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-10-13 03:56:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:56:59,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,107 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 03:56:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2021-10-13 03:56:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-10-13 03:56:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:56:59,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,255 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 03:56:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2021-10-13 03:56:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2021-10-13 03:56:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:56:59,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,566 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 03:56:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2021-10-13 03:56:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-10-13 03:56:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:56:59,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,794 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 03:56:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2021-10-13 03:56:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-10-13 03:56:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:56:59,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:56:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2021-10-13 03:56:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-10-13 03:56:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:56:59,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:59,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2021-10-13 03:57:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-10-13 03:57:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:57:00,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2021-10-13 03:57:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-10-13 03:57:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:57:00,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2021-10-13 03:57:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-10-13 03:57:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:57:00,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2021-10-13 03:57:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-10-13 03:57:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:57:00,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2021-10-13 03:57:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2021-10-13 03:57:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:57:00,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:57:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2021-10-13 03:57:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-10-13 03:57:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:57:00,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2021-10-13 03:57:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-10-13 03:57:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:57:00,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:00,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2021-10-13 03:57:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-10-13 03:57:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:57:01,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:01,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2021-10-13 03:57:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2021-10-13 03:57:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:57:01,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:01,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2021-10-13 03:57:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-10-13 03:57:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:57:01,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:01,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2021-10-13 03:57:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-10-13 03:57:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:57:01,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:01,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2021-10-13 03:57:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-10-13 03:57:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:57:01,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:01,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:57:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2021-10-13 03:57:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2021-10-13 03:57:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:57:02,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:57:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2021-10-13 03:57:02,217 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2021-10-13 03:57:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:57:02,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:57:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2021-10-13 03:57:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2021-10-13 03:57:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:57:02,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-13 03:57:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2021-10-13 03:57:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2021-10-13 03:57:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:57:02,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-13 03:57:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2021-10-13 03:57:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-10-13 03:57:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:57:02,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 03:57:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2021-10-13 03:57:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-10-13 03:57:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:57:02,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:02,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:57:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2021-10-13 03:57:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2021-10-13 03:57:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:57:03,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:03,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:57:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2021-10-13 03:57:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-10-13 03:57:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:57:03,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:03,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-13 03:57:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2021-10-13 03:57:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-10-13 03:57:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 03:57:03,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:03,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 03:57:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2021-10-13 03:57:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2021-10-13 03:57:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 03:57:03,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:03,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 03:57:04,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2021-10-13 03:57:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-10-13 03:57:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 03:57:04,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2021-10-13 03:57:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2021-10-13 03:57:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 03:57:04,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2021-10-13 03:57:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-10-13 03:57:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:57:04,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2021-10-13 03:57:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-10-13 03:57:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:57:04,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2021-10-13 03:57:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-10-13 03:57:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:57:04,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2021-10-13 03:57:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-10-13 03:57:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:57:04,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2021-10-13 03:57:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2021-10-13 03:57:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:57:04,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 03:57:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2021-10-13 03:57:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-10-13 03:57:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:57:04,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:04,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 03:57:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2021-10-13 03:57:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-10-13 03:57:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 03:57:05,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-13 03:57:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2021-10-13 03:57:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-10-13 03:57:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:57:05,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 03:57:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2021-10-13 03:57:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2021-10-13 03:57:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:57:05,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-13 03:57:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 128 states and 226 transitions. [2021-10-13 03:57:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2021-10-13 03:57:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:57:05,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-13 03:57:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 216 transitions. [2021-10-13 03:57:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2021-10-13 03:57:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 03:57:05,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 03:57:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2021-10-13 03:57:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2021-10-13 03:57:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 03:57:05,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 03:57:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 117 states and 208 transitions. [2021-10-13 03:57:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 208 transitions. [2021-10-13 03:57:05,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 03:57:05,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:05,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 03:57:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 91 states and 147 transitions. [2021-10-13 03:57:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-10-13 03:57:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:57:06,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:06,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-13 03:57:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 89 states and 144 transitions. [2021-10-13 03:57:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-10-13 03:57:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 03:57:06,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:06,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-10-13 03:57:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 91 states and 148 transitions. [2021-10-13 03:57:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-10-13 03:57:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 03:57:06,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:06,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-13 03:57:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 83 states and 136 transitions. [2021-10-13 03:57:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2021-10-13 03:57:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 03:57:06,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:06,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-13 03:57:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 82 states and 134 transitions. [2021-10-13 03:57:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2021-10-13 03:57:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 03:57:06,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:06,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-13 03:57:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 64 states and 108 transitions. [2021-10-13 03:57:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-10-13 03:57:06,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:57:06,471 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2021-10-13 03:57:06,477 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:57:06,722 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:57:06,726 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:57:06,726 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:57:06,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:57:06 ImpRootNode [2021-10-13 03:57:06,726 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:57:06,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:57:06,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:57:06,727 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:57:06,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:58" (3/4) ... [2021-10-13 03:57:06,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:57:06,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-13 03:57:06,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 03:57:06,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 03:57:06,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:57:06,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:57:06,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:57:06,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:57:06,806 INFO L168 Benchmark]: Toolchain (without parser) took 9116.05 ms. Allocated memory was 92.3 MB in the beginning and 174.1 MB in the end (delta: 81.8 MB). Free memory was 55.8 MB in the beginning and 56.8 MB in the end (delta: -1.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,807 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory was 72.2 MB in the beginning and 72.2 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:57:06,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.28 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 94.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.32 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:57:06,808 INFO L168 Benchmark]: Boogie Preprocessor took 48.03 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 92.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,809 INFO L168 Benchmark]: RCFGBuilder took 386.43 ms. Allocated memory is still 119.5 MB. Free memory was 92.0 MB in the beginning and 79.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,809 INFO L168 Benchmark]: CodeCheck took 8235.30 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 79.9 MB in the beginning and 61.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 76.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,810 INFO L168 Benchmark]: Witness Printer took 78.00 ms. Allocated memory is still 174.1 MB. Free memory was 61.0 MB in the beginning and 56.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:57:06,812 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7949.7ms, OverallIterations: 52, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16842752 SDtfs, 1038221504 SDslu, -482557436 SDs, 0 SdLazy, -1036872496 SolverSat, 961587176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20096.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21573 GetRequests, 21059 SyntacticMatches, 394 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8163 ImplicationChecksByTransitivity, 3764.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 91.7ms SsaConstructionTime, 422.6ms SatisfiabilityAnalysisTime, 2184.8ms InterpolantComputationTime, 1790 NumberOfCodeBlocks, 1790 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 3665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 29 PerfectInterpolantSequences, 2053/2175 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory was 72.2 MB in the beginning and 72.2 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.28 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 94.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.32 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.03 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 92.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 386.43 ms. Allocated memory is still 119.5 MB. Free memory was 92.0 MB in the beginning and 79.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 8235.30 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 79.9 MB in the beginning and 61.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 76.2 MB. Max. memory is 16.1 GB. * Witness Printer took 78.00 ms. Allocated memory is still 174.1 MB. Free memory was 61.0 MB in the beginning and 56.8 MB in the end (delta: 4.1 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 03:57:06,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2934c57-c8b6-474a-a0a7-8db3856b17a5/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...