./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:43:07,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:43:07,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:43:07,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:43:07,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:43:07,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:43:07,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:43:07,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:43:07,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:43:07,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:43:07,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:43:07,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:43:07,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:43:07,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:43:07,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:43:07,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:43:07,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:43:07,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:43:07,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:43:07,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:43:07,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:43:07,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:43:07,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:43:07,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:43:07,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:43:07,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:43:07,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:43:07,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:43:07,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:43:07,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:43:07,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:43:07,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:43:07,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:43:07,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:43:07,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:43:07,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:43:07,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:43:07,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:43:07,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:43:07,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:43:07,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:43:07,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:43:07,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:43:07,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:43:07,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:43:07,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:43:07,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:43:07,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:43:07,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:43:07,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:43:07,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:43:07,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:43:07,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:43:07,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:43:07,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:43:07,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:43:07,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:43:07,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:43:07,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:43:07,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:43:07,411 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:43:07,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:43:07,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:43:07,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:07,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:43:07,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:43:07,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:43:07,413 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:43:07,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:43:07,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:43:07,414 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_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db [2021-11-13 23:43:07,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:43:07,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:43:07,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:43:07,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:43:07,708 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:43:07,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:43:07,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/data/90dadef17/6e0dcb7356ca4d57987d2072df5c6eb0/FLAG901278848 [2021-11-13 23:43:08,324 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:43:08,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:43:08,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/data/90dadef17/6e0dcb7356ca4d57987d2072df5c6eb0/FLAG901278848 [2021-11-13 23:43:08,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/data/90dadef17/6e0dcb7356ca4d57987d2072df5c6eb0 [2021-11-13 23:43:08,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:43:08,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:43:08,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:08,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:43:08,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:43:08,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:08" (1/1) ... [2021-11-13 23:43:08,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9c19ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:08, skipping insertion in model container [2021-11-13 23:43:08,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:08" (1/1) ... [2021-11-13 23:43:08,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:43:08,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:43:08,969 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_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2021-11-13 23:43:08,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:08,982 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:43:09,045 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_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2021-11-13 23:43:09,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:09,071 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:43:09,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09 WrapperNode [2021-11-13 23:43:09,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:09,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:09,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:43:09,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:43:09,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:09,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:43:09,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:43:09,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:43:09,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:43:09,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:43:09,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:43:09,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:43:09,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:09" (1/1) ... [2021-11-13 23:43:09,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:09,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:43:09,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:43:09,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db31ff32-8379-4eb7-bb8f-3aa8f904fa6d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:43:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:43:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:43:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:43:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:43:10,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:43:10,238 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:43:10,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:10 BoogieIcfgContainer [2021-11-13 23:43:10,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:43:10,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:43:10,242 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:43:10,280 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:43:10,280 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:10" (1/1) ... [2021-11-13 23:43:10,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:43:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-13 23:43:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-13 23:43:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:43:10,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:10,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-13 23:43:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-13 23:43:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:43:10,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:10,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-13 23:43:11,439 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-13 23:43:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:43:11,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:11,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-13 23:43:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-13 23:43:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:43:12,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:12,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-13 23:43:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-13 23:43:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:43:12,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:12,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2021-11-13 23:43:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-11-13 23:43:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:43:17,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:17,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2021-11-13 23:43:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2021-11-13 23:43:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:43:20,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:20,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2021-11-13 23:43:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2021-11-13 23:43:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:43:27,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2021-11-13 23:43:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2021-11-13 23:43:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:43:29,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:29,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2021-11-13 23:43:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2021-11-13 23:43:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:43:35,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:35,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2021-11-13 23:43:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2021-11-13 23:43:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:43:38,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:38,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 80 states and 140 transitions. [2021-11-13 23:43:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 140 transitions. [2021-11-13 23:43:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:43:45,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:45,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 81 states and 141 transitions. [2021-11-13 23:43:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 141 transitions. [2021-11-13 23:43:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:43:45,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:45,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 82 states and 143 transitions. [2021-11-13 23:43:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 143 transitions. [2021-11-13 23:43:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:43:46,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:46,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 106 states and 195 transitions. [2021-11-13 23:44:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2021-11-13 23:44:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:44:44,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:44,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 107 states and 197 transitions. [2021-11-13 23:44:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2021-11-13 23:44:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:44:55,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:55,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 246 transitions. [2021-11-13 23:47:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2021-11-13 23:47:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:47:06,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:06,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 138 states and 261 transitions. [2021-11-13 23:47:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2021-11-13 23:47:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:47:51,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:51,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 150 states and 297 transitions. [2021-11-13 23:49:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 297 transitions. [2021-11-13 23:49:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:49:02,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:02,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2021-11-13 23:49:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2021-11-13 23:49:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:49:24,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:24,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 158 states and 310 transitions. [2021-11-13 23:49:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 310 transitions. [2021-11-13 23:49:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:49:48,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:48,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 172 states and 357 transitions. [2021-11-13 23:50:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 357 transitions. [2021-11-13 23:50:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:50:38,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:38,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 174 states and 359 transitions. [2021-11-13 23:50:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 359 transitions. [2021-11-13 23:50:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:50:57,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:57,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 180 states and 370 transitions. [2021-11-13 23:51:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 370 transitions. [2021-11-13 23:51:16,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:51:16,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:16,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 190 states and 390 transitions. [2021-11-13 23:51:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2021-11-13 23:51:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:51:54,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:54,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:52:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 196 states and 403 transitions. [2021-11-13 23:52:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2021-11-13 23:52:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:52:12,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:12,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:52:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 201 states and 409 transitions. [2021-11-13 23:52:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 409 transitions. [2021-11-13 23:52:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:52:20,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:20,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:52:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 207 states and 416 transitions. [2021-11-13 23:52:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 416 transitions. [2021-11-13 23:52:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:52:36,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:36,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:52:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 213 states and 429 transitions. [2021-11-13 23:52:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 429 transitions. [2021-11-13 23:52:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:52:50,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:50,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:52:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 214 states and 438 transitions. [2021-11-13 23:52:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 438 transitions. [2021-11-13 23:52:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:52:53,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:53,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:52:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 215 states and 443 transitions. [2021-11-13 23:52:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 443 transitions. [2021-11-13 23:52:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:52:57,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:57,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:54:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:38,494 WARN L227 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 465 DAG size of output: 395 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)