./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ --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 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:18,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:18,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:18,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:18,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:18,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:18,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:18,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:18,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:18,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:18,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:18,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:18,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:18,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:18,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:18,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:18,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:18,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:18,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:18,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:18,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:18,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:18,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:18,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:18,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:18,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:18,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:18,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:18,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:18,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:18,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:18,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:18,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:18,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:18,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:18,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:18,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:18,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:18,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:18,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:18,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:18,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:25:18,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:18,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:18,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:25:18,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:25:18,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:18,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:18,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:18,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:18,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:25:18,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:18,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:18,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:25:18,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:18,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:25:18,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:18,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:25:18,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:18,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:25:18,535 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:18,535 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:18,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:18,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:18,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:18,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:18,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:25:18,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:25:18,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:25:18,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:25:18,537 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_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b [2021-11-23 00:25:18,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:18,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:18,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:18,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:18,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:18,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2021-11-23 00:25:18,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/data/3ce2ff180/b18d87ca5ae84c4091fff1793b7af1ba/FLAG37309e836 [2021-11-23 00:25:19,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:19,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2021-11-23 00:25:19,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/data/3ce2ff180/b18d87ca5ae84c4091fff1793b7af1ba/FLAG37309e836 [2021-11-23 00:25:19,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/data/3ce2ff180/b18d87ca5ae84c4091fff1793b7af1ba [2021-11-23 00:25:19,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:19,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:19,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:19,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:19,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:19,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:19" (1/1) ... [2021-11-23 00:25:19,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b290a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:19, skipping insertion in model container [2021-11-23 00:25:19,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:19" (1/1) ... [2021-11-23 00:25:19,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:19,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:20,245 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_8978d09d-50df-4a22-b3ac-5a8407ea33c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2021-11-23 00:25:20,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:20,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:25:20,321 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_8978d09d-50df-4a22-b3ac-5a8407ea33c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2021-11-23 00:25:20,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:20,336 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:25:20,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20 WrapperNode [2021-11-23 00:25:20,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:20,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:20,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:25:20,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:25:20,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,394 INFO L137 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 392 [2021-11-23 00:25:20,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:20,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:25:20,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:25:20,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:25:20,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:25:20,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:25:20,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:25:20,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:25:20,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:20" (1/1) ... [2021-11-23 00:25:20,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:25:20,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:25:20,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8978d09d-50df-4a22-b3ac-5a8407ea33c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:25:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:25:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:25:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:25:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:25:20,710 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:25:20,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:25:21,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:25:21,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:25:21,711 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:25:21,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:21 BoogieIcfgContainer [2021-11-23 00:25:21,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:25:21,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:25:21,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:25:21,739 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:25:21,740 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:21" (1/1) ... [2021-11-23 00:25:21,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:25:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:25:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:25:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:25:21,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:25:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:25:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:25:22,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 00:25:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 00:25:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:25:23,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 00:25:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 00:25:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:25:23,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2021-11-23 00:25:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-11-23 00:25:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:25:24,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2021-11-23 00:25:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2021-11-23 00:25:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:25:31,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-11-23 00:25:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-23 00:25:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:25:36,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:36,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2021-11-23 00:25:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2021-11-23 00:25:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:25:46,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:46,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2021-11-23 00:25:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2021-11-23 00:25:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:25:48,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:48,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 114 transitions. [2021-11-23 00:25:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 114 transitions. [2021-11-23 00:25:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:25:48,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:48,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 146 transitions. [2021-11-23 00:25:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2021-11-23 00:25:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:25:58,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:58,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2021-11-23 00:25:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2021-11-23 00:25:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:25:59,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:59,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 87 states and 188 transitions. [2021-11-23 00:26:09,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 188 transitions. [2021-11-23 00:26:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:26:09,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:09,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 91 states and 198 transitions. [2021-11-23 00:26:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 198 transitions. [2021-11-23 00:26:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:26:13,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:13,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 207 transitions. [2021-11-23 00:26:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 207 transitions. [2021-11-23 00:26:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:26:15,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 96 states and 212 transitions. [2021-11-23 00:26:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 212 transitions. [2021-11-23 00:26:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:26:16,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:16,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 121 states and 288 transitions. [2021-11-23 00:28:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 288 transitions. [2021-11-23 00:28:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:28:20,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 125 states and 301 transitions. [2021-11-23 00:28:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 301 transitions. [2021-11-23 00:28:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:28:49,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:49,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 128 states and 311 transitions. [2021-11-23 00:29:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 311 transitions. [2021-11-23 00:29:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:29:20,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:20,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:43,092 WARN L227 SmtUtils]: Spent 15.94s on a formula simplification. DAG size of input: 552 DAG size of output: 512 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:32:56,153 WARN L227 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 554 DAG size of output: 519 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:33:13,223 WARN L227 SmtUtils]: Spent 14.70s on a formula simplification. DAG size of input: 513 DAG size of output: 508 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:33:20,255 WARN L227 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 520 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:33:40,501 WARN L227 SmtUtils]: Spent 17.33s on a formula simplification. DAG size of input: 548 DAG size of output: 508 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:33:50,990 WARN L227 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 550 DAG size of output: 515 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:34:03,586 WARN L227 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 509 DAG size of output: 504 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:34:40,811 WARN L227 SmtUtils]: Spent 17.00s on a formula simplification. DAG size of input: 548 DAG size of output: 513 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:34:54,050 WARN L227 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 550 DAG size of output: 513 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:35:05,945 WARN L227 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 514 DAG size of output: 504 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:35:19,184 WARN L227 SmtUtils]: Spent 11.25s on a formula simplification. DAG size of input: 514 DAG size of output: 509 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:35:37,210 WARN L227 SmtUtils]: Spent 17.13s on a formula simplification. DAG size of input: 550 DAG size of output: 515 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:35:48,598 WARN L227 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 552 DAG size of output: 515 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:36:00,338 WARN L227 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 516 DAG size of output: 506 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:36:11,003 WARN L227 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 516 DAG size of output: 511 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:36:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 153 states and 392 transitions. [2021-11-23 00:36:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 392 transitions. [2021-11-23 00:36:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:57,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:02,601 WARN L227 SmtUtils]: Spent 17.29s on a formula simplification. DAG size of input: 514 DAG size of output: 509 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:38:14,646 WARN L227 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 516 DAG size of output: 510 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:38:24,453 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 510 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)