./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.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_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/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_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/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_831debd7-24e9-44dd-a48b-71217a7f4362/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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:02,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:02,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:02,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:02,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:02,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:02,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:02,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:02,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:02,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:02,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:02,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:02,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:02,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:02,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:02,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:02,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:02,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:02,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:02,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:02,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:02,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:02,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:02,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:02,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:02,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:02,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:02,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:02,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:02,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:02,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:02,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:02,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:02,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:02,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:02,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:02,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:02,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:02,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:02,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:02,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:02,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:02,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:02,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:02,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:02,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:02,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:02,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:02,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:02,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:02,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:02,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:02,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:02,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:02,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:02,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:02,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:02,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:02,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:02,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:02,632 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:02,632 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:02,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:02,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:02,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:02,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:02,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:02,634 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:02,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:02,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:02,634 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_831debd7-24e9-44dd-a48b-71217a7f4362/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2021-11-23 01:27:02,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:02,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:02,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:02,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:02,959 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:02,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2021-11-23 01:27:03,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/e9d12bb08/de6fbccd6a804a6c98dcd5d9faa3c4b2/FLAG6e3b4b216 [2021-11-23 01:27:03,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:03,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2021-11-23 01:27:03,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/e9d12bb08/de6fbccd6a804a6c98dcd5d9faa3c4b2/FLAG6e3b4b216 [2021-11-23 01:27:03,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/e9d12bb08/de6fbccd6a804a6c98dcd5d9faa3c4b2 [2021-11-23 01:27:03,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:03,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:04,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:04,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:04,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:04,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:03" (1/1) ... [2021-11-23 01:27:04,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd0147e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04, skipping insertion in model container [2021-11-23 01:27:04,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:03" (1/1) ... [2021-11-23 01:27:04,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:04,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:04,211 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_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2021-11-23 01:27:04,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:04,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:04,247 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_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2021-11-23 01:27:04,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:04,268 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:04,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04 WrapperNode [2021-11-23 01:27:04,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:04,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:04,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:04,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:04,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,304 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 01:27:04,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:04,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:04,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:04,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:04,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:04,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:04,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:04,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:04,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:04,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:04,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:04,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:27:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:27:04,516 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:04,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:04,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:04,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:04,633 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:27:04,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:04 BoogieIcfgContainer [2021-11-23 01:27:04,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:04,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:04,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:04,647 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:04,647 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 01:27:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 01:27:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:04,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,834 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 01:27:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 01:27:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 01:27:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:04,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,902 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 01:27:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 01:27:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 01:27:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:04,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:27:04,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:05,170 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 01:27:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 01:27:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 01:27:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:06,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-23 01:27:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-23 01:27:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:27:06,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:27:06,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:07,031 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 01:27:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 01:27:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 01:27:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:27:08,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:08,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2021-11-23 01:27:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2021-11-23 01:27:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:27:09,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2021-11-23 01:27:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2021-11-23 01:27:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:27:09,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2021-11-23 01:27:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2021-11-23 01:27:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:10,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2021-11-23 01:27:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2021-11-23 01:27:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:11,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:27:11,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 128 transitions. [2021-11-23 01:27:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 128 transitions. [2021-11-23 01:27:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:13,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:13,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:27:13,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2021-11-23 01:27:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2021-11-23 01:27:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:14,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 56 states and 128 transitions. [2021-11-23 01:27:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 128 transitions. [2021-11-23 01:27:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:14,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2021-11-23 01:27:15,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2021-11-23 01:27:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:15,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:15,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:27:15,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2021-11-23 01:27:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2021-11-23 01:27:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:18,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:18,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:27:18,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2021-11-23 01:27:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2021-11-23 01:27:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:19,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:19,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:19,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:27:19,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 76 states and 189 transitions. [2021-11-23 01:27:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 189 transitions. [2021-11-23 01:27:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:21,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:27:21,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:32,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:27:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 193 transitions. [2021-11-23 01:27:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2021-11-23 01:27:33,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:33,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:27:33,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 81 states and 194 transitions. [2021-11-23 01:27:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 194 transitions. [2021-11-23 01:27:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:34,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:27:34,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:34,908 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 01:27:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2021-11-23 01:27:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2021-11-23 01:27:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:37,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:27:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 92 states and 242 transitions. [2021-11-23 01:27:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 242 transitions. [2021-11-23 01:27:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:38,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,011 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 01:27:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2021-11-23 01:27:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2021-11-23 01:27:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:39,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:27:39,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,429 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 01:27:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2021-11-23 01:27:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2021-11-23 01:27:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:39,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:39,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 102 states and 288 transitions. [2021-11-23 01:27:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2021-11-23 01:27:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:44,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:44,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 105 states and 292 transitions. [2021-11-23 01:27:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 292 transitions. [2021-11-23 01:27:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:45,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:45,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 106 states and 294 transitions. [2021-11-23 01:27:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 294 transitions. [2021-11-23 01:27:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:46,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:46,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 109 states and 298 transitions. [2021-11-23 01:27:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 298 transitions. [2021-11-23 01:27:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:47,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:47,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2021-11-23 01:27:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2021-11-23 01:27:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:27:49,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:49,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:27:49,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 115 states and 316 transitions. [2021-11-23 01:27:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 316 transitions. [2021-11-23 01:27:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:27:52,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:27:54,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:27:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 118 states and 320 transitions. [2021-11-23 01:27:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 320 transitions. [2021-11-23 01:27:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:27:57,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:58,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:27:58,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:28:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 120 states and 321 transitions. [2021-11-23 01:28:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 321 transitions. [2021-11-23 01:28:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:00,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:00,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:00,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:00,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 128 states and 378 transitions. [2021-11-23 01:28:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 378 transitions. [2021-11-23 01:28:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:04,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:04,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:05,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:28:05,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:28:09,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 131 states and 381 transitions. [2021-11-23 01:28:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 381 transitions. [2021-11-23 01:28:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:09,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:09,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:10,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:28:10,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:28:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 134 states and 384 transitions. [2021-11-23 01:28:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 384 transitions. [2021-11-23 01:28:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:12,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:12,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 134 states and 383 transitions. [2021-11-23 01:28:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 383 transitions. [2021-11-23 01:28:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:13,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:13,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 134 states and 382 transitions. [2021-11-23 01:28:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 382 transitions. [2021-11-23 01:28:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:14,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:14,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 134 states and 381 transitions. [2021-11-23 01:28:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 381 transitions. [2021-11-23 01:28:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:14,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:14,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 144 states and 440 transitions. [2021-11-23 01:28:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 440 transitions. [2021-11-23 01:28:21,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:21,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:21,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 145 states and 443 transitions. [2021-11-23 01:28:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 443 transitions. [2021-11-23 01:28:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:22,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:22,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 146 states and 445 transitions. [2021-11-23 01:28:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 445 transitions. [2021-11-23 01:28:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:22,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:22,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 152 states and 451 transitions. [2021-11-23 01:28:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 451 transitions. [2021-11-23 01:28:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:26,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:26,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:26,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 155 states and 455 transitions. [2021-11-23 01:28:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 455 transitions. [2021-11-23 01:28:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:27,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:27,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 157 states and 457 transitions. [2021-11-23 01:28:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 457 transitions. [2021-11-23 01:28:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:29,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:28:29,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 159 states and 458 transitions. [2021-11-23 01:28:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 458 transitions. [2021-11-23 01:28:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:30,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:32,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:28:32,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 163 states and 477 transitions. [2021-11-23 01:28:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 477 transitions. [2021-11-23 01:28:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:37,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:40,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:28:40,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 166 states and 480 transitions. [2021-11-23 01:28:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 480 transitions. [2021-11-23 01:28:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:44,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:44,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:47,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:28:47,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:28:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 169 states and 484 transitions. [2021-11-23 01:28:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 484 transitions. [2021-11-23 01:28:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:51,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:51,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:54,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:28:54,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:28:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 172 states and 487 transitions. [2021-11-23 01:28:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 487 transitions. [2021-11-23 01:28:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:57,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:07,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:29:07,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:29:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 174 states and 488 transitions. [2021-11-23 01:29:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 488 transitions. [2021-11-23 01:29:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:13,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:13,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 182 states and 557 transitions. [2021-11-23 01:29:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 557 transitions. [2021-11-23 01:29:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:20,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:20,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:29:29,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:29:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 185 states and 560 transitions. [2021-11-23 01:29:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 560 transitions. [2021-11-23 01:29:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:35,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:35,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:35,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 185 states and 559 transitions. [2021-11-23 01:29:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 559 transitions. [2021-11-23 01:29:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:36,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 185 states and 558 transitions. [2021-11-23 01:29:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 558 transitions. [2021-11-23 01:29:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:37,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:37,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:38,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 185 states and 557 transitions. [2021-11-23 01:29:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 557 transitions. [2021-11-23 01:29:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:38,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:38,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 185 states and 556 transitions. [2021-11-23 01:29:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 556 transitions. [2021-11-23 01:29:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:29:40,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:29:40,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:29:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 195 states and 628 transitions. [2021-11-23 01:29:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 628 transitions. [2021-11-23 01:29:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:29:53,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:53,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:29:53,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:29:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 201 states and 634 transitions. [2021-11-23 01:29:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 634 transitions. [2021-11-23 01:29:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:29:57,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:57,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:57,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:29:57,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 205 states and 637 transitions. [2021-11-23 01:30:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 637 transitions. [2021-11-23 01:30:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:01,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:01,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:01,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 206 states and 639 transitions. [2021-11-23 01:30:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 639 transitions. [2021-11-23 01:30:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:02,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:02,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:02,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:02,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 207 states and 641 transitions. [2021-11-23 01:30:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 641 transitions. [2021-11-23 01:30:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:04,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:04,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:04,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 208 states and 643 transitions. [2021-11-23 01:30:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 643 transitions. [2021-11-23 01:30:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:05,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:05,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:05,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:05,795 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 211 states and 646 transitions. [2021-11-23 01:30:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 646 transitions. [2021-11-23 01:30:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:08,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:08,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 214 states and 649 transitions. [2021-11-23 01:30:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 649 transitions. [2021-11-23 01:30:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:10,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:10,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:10,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:30:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 216 states and 650 transitions. [2021-11-23 01:30:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 650 transitions. [2021-11-23 01:30:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:30:11,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:11,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:30:21,985 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:30:21,987 INFO L158 Benchmark]: Toolchain (without parser) took 197990.21ms. Allocated memory was 119.5MB in the beginning and 645.9MB in the end (delta: 526.4MB). Free memory was 89.1MB in the beginning and 204.8MB in the end (delta: -115.7MB). Peak memory consumption was 411.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,988 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:21,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.61ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 95.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.03ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,990 INFO L158 Benchmark]: Boogie Preprocessor took 19.04ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 92.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,990 INFO L158 Benchmark]: RCFGBuilder took 311.02ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 82.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,991 INFO L158 Benchmark]: CodeCheck took 197350.12ms. Allocated memory was 119.5MB in the beginning and 645.9MB in the end (delta: 526.4MB). Free memory was 82.6MB in the beginning and 204.8MB in the end (delta: -122.2MB). Peak memory consumption was 408.1MB. Max. memory is 16.1GB. [2021-11-23 01:30:21,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.61ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 95.2MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.03ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.04ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 92.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.02ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 82.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 197350.12ms. Allocated memory was 119.5MB in the beginning and 645.9MB in the end (delta: 526.4MB). Free memory was 82.6MB in the beginning and 204.8MB in the end (delta: -122.2MB). Peak memory consumption was 408.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:30:22,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/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_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:24,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:24,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:24,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:24,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:24,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:24,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:24,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:24,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:24,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:24,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:24,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:24,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:24,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:24,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:24,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:24,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:24,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:24,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:24,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:24,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:24,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:24,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:24,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:24,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:24,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:24,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:24,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:24,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:24,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:24,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:24,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:24,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:24,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:24,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:24,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:24,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:24,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:24,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:24,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:24,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:24,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:30:24,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:24,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:24,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:24,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:24,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:24,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:24,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:24,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:24,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:24,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:24,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:24,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:24,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:24,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:30:24,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:30:24,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:30:24,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:24,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:24,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:24,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:24,580 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:24,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:24,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:24,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:24,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:24,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:24,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:24,581 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:30:24,582 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:30:24,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:24,582 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:30:24,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:30:24,583 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_831debd7-24e9-44dd-a48b-71217a7f4362/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2021-11-23 01:30:25,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:25,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:25,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:25,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:25,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:25,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2021-11-23 01:30:25,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/f3940c4c1/877be3ea08724e82b29498d92b75aed0/FLAG43623efd8 [2021-11-23 01:30:25,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:25,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2021-11-23 01:30:25,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/f3940c4c1/877be3ea08724e82b29498d92b75aed0/FLAG43623efd8 [2021-11-23 01:30:26,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/data/f3940c4c1/877be3ea08724e82b29498d92b75aed0 [2021-11-23 01:30:26,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:26,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:26,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:26,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:26,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:26,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64efb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26, skipping insertion in model container [2021-11-23 01:30:26,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:26,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:26,184 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_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2021-11-23 01:30:26,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:26,217 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:26,230 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_831debd7-24e9-44dd-a48b-71217a7f4362/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2021-11-23 01:30:26,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:26,273 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:26,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26 WrapperNode [2021-11-23 01:30:26,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:26,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:26,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:26,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:26,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,350 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 01:30:26,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:26,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:26,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:26,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:26,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:26,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:26,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:26,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:26,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:26" (1/1) ... [2021-11-23 01:30:26,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:26,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:26,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:26,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:30:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:30:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:30:26,541 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:26,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:27,339 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:27,361 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:27,361 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:30:27,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:27 BoogieIcfgContainer [2021-11-23 01:30:27,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:27,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:27,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:27,375 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:27,376 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:27" (1/1) ... [2021-11-23 01:30:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 01:30:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 01:30:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:27,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,488 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:30:27,492 INFO L158 Benchmark]: Toolchain (without parser) took 1480.64ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 26.9MB in the end (delta: 15.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:27,493 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:27,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.30ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 46.5MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:30:27,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.86ms. Allocated memory is still 62.9MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:27,496 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:30:27,497 INFO L158 Benchmark]: RCFGBuilder took 986.94ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 33.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:30:27,498 INFO L158 Benchmark]: CodeCheck took 125.28ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 26.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:30:27,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.30ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 46.5MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.86ms. Allocated memory is still 62.9MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 986.94ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 33.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 125.28ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 26.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:30:27,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_831debd7-24e9-44dd-a48b-71217a7f4362/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared