./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL --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 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:06:01,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:06:01,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:06:01,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:06:01,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:06:01,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:06:01,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:06:01,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:06:01,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:06:01,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:06:01,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:06:01,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:06:01,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:06:01,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:06:01,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:06:01,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:06:01,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:06:01,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:06:01,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:06:01,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:06:01,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:06:01,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:06:01,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:06:01,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:06:01,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:06:01,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:06:01,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:06:01,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:06:01,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:06:01,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:06:01,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:06:01,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:06:01,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:06:01,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:06:01,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:06:01,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:06:01,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:06:01,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:06:01,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:06:01,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:06:01,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:06:01,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 08:06:01,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:06:01,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:06:01,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:06:01,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:06:01,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:06:01,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:06:01,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:06:01,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:06:01,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:06:01,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:06:01,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:06:01,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:06:01,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:06:01,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:06:01,550 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:06:01,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:06:01,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:06:01,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:06:01,551 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:06:01,551 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:06:01,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:06:01,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:06:01,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:06:01,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:06:01,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:06:01,553 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:06:01,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:06:01,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:06:01,554 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_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 [2021-11-25 08:06:01,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:06:01,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:06:01,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:06:01,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:06:01,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:06:01,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 08:06:01,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/data/5ec79da95/4b2b3ddb7aab4b918d8db7361ef65125/FLAGe7367a04e [2021-11-25 08:06:02,565 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:06:02,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 08:06:02,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/data/5ec79da95/4b2b3ddb7aab4b918d8db7361ef65125/FLAGe7367a04e [2021-11-25 08:06:02,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/data/5ec79da95/4b2b3ddb7aab4b918d8db7361ef65125 [2021-11-25 08:06:02,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:06:02,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:06:02,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:06:02,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:06:02,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:06:02,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:02" (1/1) ... [2021-11-25 08:06:02,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d063b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:02, skipping insertion in model container [2021-11-25 08:06:02,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:02" (1/1) ... [2021-11-25 08:06:02,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:06:02,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:06:03,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2021-11-25 08:06:03,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:06:03,226 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:06:03,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2021-11-25 08:06:03,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:06:03,312 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:06:03,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03 WrapperNode [2021-11-25 08:06:03,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:06:03,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:06:03,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:06:03,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:06:03,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,462 INFO L137 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 520 [2021-11-25 08:06:03,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:06:03,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:06:03,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:06:03,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:06:03,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:06:03,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:06:03,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:06:03,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:06:03,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:03" (1/1) ... [2021-11-25 08:06:03,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:06:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:06:03,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:06:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1eee0f-9e26-424e-8d42-0d14d077b71a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:06:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:06:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:06:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:06:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:06:03,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:06:03,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:06:04,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:06:05,272 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:06:05,272 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 08:06:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:05 BoogieIcfgContainer [2021-11-25 08:06:05,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:06:05,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:06:05,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:06:05,287 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:06:05,288 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:05" (1/1) ... [2021-11-25 08:06:05,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:06:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-25 08:06:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-25 08:06:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 08:06:05,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:05,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-25 08:06:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-25 08:06:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:06:06,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:06,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-25 08:06:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-25 08:06:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:06:07,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:07,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-25 08:06:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-25 08:06:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 08:06:08,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:08,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-25 08:06:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-25 08:06:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:06:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2021-11-25 08:06:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-25 08:06:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:06:17,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:17,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2021-11-25 08:06:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2021-11-25 08:06:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:06:22,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:22,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2021-11-25 08:06:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2021-11-25 08:06:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:06:35,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:35,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2021-11-25 08:06:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2021-11-25 08:06:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:06:43,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:43,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:06:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2021-11-25 08:06:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2021-11-25 08:06:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:06:55,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:55,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 84 states and 169 transitions. [2021-11-25 08:07:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 169 transitions. [2021-11-25 08:07:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:05,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 96 states and 200 transitions. [2021-11-25 08:07:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 200 transitions. [2021-11-25 08:07:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:21,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:21,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 211 transitions. [2021-11-25 08:07:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 211 transitions. [2021-11-25 08:07:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:26,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:26,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 108 states and 225 transitions. [2021-11-25 08:07:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 225 transitions. [2021-11-25 08:07:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:33,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:33,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 115 states and 244 transitions. [2021-11-25 08:07:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 244 transitions. [2021-11-25 08:07:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:42,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:42,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 118 states and 256 transitions. [2021-11-25 08:07:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 256 transitions. [2021-11-25 08:07:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:07:47,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:47,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 131 states and 282 transitions. [2021-11-25 08:08:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 282 transitions. [2021-11-25 08:08:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:08:03,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:03,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 132 states and 285 transitions. [2021-11-25 08:08:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 285 transitions. [2021-11-25 08:08:04,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:04,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:04,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:08:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 132 states and 284 transitions. [2021-11-25 08:08:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 284 transitions. [2021-11-25 08:08:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:08:05,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:05,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:10:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 158 states and 357 transitions. [2021-11-25 08:10:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 357 transitions. [2021-11-25 08:10:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:10:29,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:29,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:13:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 179 states and 413 transitions. [2021-11-25 08:13:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 413 transitions. [2021-11-25 08:13:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:13:21,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:21,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:14:54,978 WARN L227 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 587 DAG size of output: 437 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:15:17,622 WARN L227 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 589 DAG size of output: 439 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:15:37,137 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 591 DAG size of output: 441 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:16:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 204 states and 473 transitions. [2021-11-25 08:16:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 473 transitions. [2021-11-25 08:16:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:16:43,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:43,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:18:32,753 WARN L227 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 602 DAG size of output: 465 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:18:45,442 WARN L227 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 604 DAG size of output: 501 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)