./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/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_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:23,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:23,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:23,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:23,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:23,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:23,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:23,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:23,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:23,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:23,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:23,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:23,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:23,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:23,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:23,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:23,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:23,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:23,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:23,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:23,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:23,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:23,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:23,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:23,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:23,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:23,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:23,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:23,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:23,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:23,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:23,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:23,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:23,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:23,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:23,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:23,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:23,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:23,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:23,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:23,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:23,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:03:23,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:23,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:23,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:23,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:23,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:23,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:23,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:03:23,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:23,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:23,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:23,666 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:03:23,666 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:03:23,667 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:03:23,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:23,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:23,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:23,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:23,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:23,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:23,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:23,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:23,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:23,670 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:23,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:23,670 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_ee2c994b-f469-4848-8f7a-26b7e6534db5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2021-11-23 01:03:23,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:23,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:23,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:23,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:23,969 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:23,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2021-11-23 01:03:24,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/87d69c02a/0bf2290f65ce4f3e8944425107d9e293/FLAG7917b3edf [2021-11-23 01:03:24,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:24,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2021-11-23 01:03:24,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/87d69c02a/0bf2290f65ce4f3e8944425107d9e293/FLAG7917b3edf [2021-11-23 01:03:24,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/87d69c02a/0bf2290f65ce4f3e8944425107d9e293 [2021-11-23 01:03:24,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:24,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:24,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:24,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:24,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:24,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:24" (1/1) ... [2021-11-23 01:03:24,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eab65c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:24, skipping insertion in model container [2021-11-23 01:03:24,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:24" (1/1) ... [2021-11-23 01:03:24,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:24,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:25,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:25,346 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:25,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:25,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:25,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25 WrapperNode [2021-11-23 01:03:25,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:25,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:25,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:25,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:25,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,496 INFO L137 Inliner]: procedures = 116, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2021-11-23 01:03:25,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:25,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:25,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:25,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:25,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:25,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:25,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:25,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:25,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:25,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:25,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:03:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:03:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:03:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:25,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:25,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:26,209 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:26,244 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:26,244 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:03:26,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:26 BoogieIcfgContainer [2021-11-23 01:03:26,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:26,249 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:26,249 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:26,259 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:26,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:26" (1/1) ... [2021-11-23 01:03:26,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:03:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2021-11-23 01:03:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2021-11-23 01:03:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:03:26,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,588 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 01:03:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2021-11-23 01:03:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2021-11-23 01:03:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:03:26,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2021-11-23 01:03:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2021-11-23 01:03:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:03:26,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,889 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 01:03:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2021-11-23 01:03:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2021-11-23 01:03:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:03:26,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,983 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 01:03:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2021-11-23 01:03:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2021-11-23 01:03:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:03:27,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,066 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 01:03:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2021-11-23 01:03:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2021-11-23 01:03:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:03:27,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,187 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 01:03:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 123 states and 133 transitions. [2021-11-23 01:03:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2021-11-23 01:03:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:03:27,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,402 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 01:03:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2021-11-23 01:03:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2021-11-23 01:03:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:03:27,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,496 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 01:03:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 121 states and 131 transitions. [2021-11-23 01:03:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2021-11-23 01:03:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:03:27,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,720 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 01:03:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 122 states and 133 transitions. [2021-11-23 01:03:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 133 transitions. [2021-11-23 01:03:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:03:28,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,165 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 01:03:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2021-11-23 01:03:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2021-11-23 01:03:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:03:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,649 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 01:03:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 130 states and 158 transitions. [2021-11-23 01:03:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2021-11-23 01:03:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:03:29,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 167 transitions. [2021-11-23 01:03:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2021-11-23 01:03:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:03:29,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 138 states and 174 transitions. [2021-11-23 01:03:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 01:03:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:03:30,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 139 states and 175 transitions. [2021-11-23 01:03:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 175 transitions. [2021-11-23 01:03:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:03:30,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 139 states and 173 transitions. [2021-11-23 01:03:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 173 transitions. [2021-11-23 01:03:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:03:31,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 140 states and 177 transitions. [2021-11-23 01:03:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2021-11-23 01:03:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:03:31,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 141 states and 178 transitions. [2021-11-23 01:03:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 178 transitions. [2021-11-23 01:03:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:03:31,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 142 states and 181 transitions. [2021-11-23 01:03:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2021-11-23 01:03:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:03:31,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 143 states and 182 transitions. [2021-11-23 01:03:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2021-11-23 01:03:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:03:32,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 151 states and 202 transitions. [2021-11-23 01:03:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2021-11-23 01:03:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:03:34,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 154 states and 206 transitions. [2021-11-23 01:03:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 206 transitions. [2021-11-23 01:03:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:03:34,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 157 states and 212 transitions. [2021-11-23 01:03:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 212 transitions. [2021-11-23 01:03:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:03:35,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 160 states and 216 transitions. [2021-11-23 01:03:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 216 transitions. [2021-11-23 01:03:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:03:36,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 159 states and 215 transitions. [2021-11-23 01:03:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 215 transitions. [2021-11-23 01:03:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:03:36,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 160 states and 216 transitions. [2021-11-23 01:03:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 216 transitions. [2021-11-23 01:03:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:03:37,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 159 states and 215 transitions. [2021-11-23 01:03:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 215 transitions. [2021-11-23 01:03:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:03:37,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 160 states and 217 transitions. [2021-11-23 01:03:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2021-11-23 01:03:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:03:38,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2021-11-23 01:03:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2021-11-23 01:03:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:03:39,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2021-11-23 01:03:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2021-11-23 01:03:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:39,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 110 states and 117 transitions. [2021-11-23 01:03:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2021-11-23 01:03:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:44,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 109 states and 116 transitions. [2021-11-23 01:03:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2021-11-23 01:03:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:48,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 108 states and 115 transitions. [2021-11-23 01:03:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2021-11-23 01:03:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:03:54,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 107 states and 114 transitions. [2021-11-23 01:04:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 114 transitions. [2021-11-23 01:04:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:04:06,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 106 states and 113 transitions. [2021-11-23 01:04:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2021-11-23 01:04:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:04:20,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:04:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2021-11-23 01:04:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2021-11-23 01:04:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:04:22,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 104 states and 111 transitions. [2021-11-23 01:04:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2021-11-23 01:04:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:04:36,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 103 states and 110 transitions. [2021-11-23 01:04:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 110 transitions. [2021-11-23 01:04:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:46,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2021-11-23 01:04:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2021-11-23 01:04:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:48,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 101 states and 108 transitions. [2021-11-23 01:04:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2021-11-23 01:04:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:52,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 100 states and 107 transitions. [2021-11-23 01:04:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2021-11-23 01:04:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:55,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 99 states and 106 transitions. [2021-11-23 01:04:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2021-11-23 01:04:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:59,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 98 states and 105 transitions. [2021-11-23 01:05:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2021-11-23 01:05:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:05:02,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 97 states and 104 transitions. [2021-11-23 01:05:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2021-11-23 01:05:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:05:02,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2021-11-23 01:05:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2021-11-23 01:05:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:05:06,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2021-11-23 01:05:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2021-11-23 01:05:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:09,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2021-11-23 01:05:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2021-11-23 01:05:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:14,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:14,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2021-11-23 01:05:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2021-11-23 01:05:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:19,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2021-11-23 01:05:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2021-11-23 01:05:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:22,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:22,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2021-11-23 01:05:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2021-11-23 01:05:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:22,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:22,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2021-11-23 01:05:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2021-11-23 01:05:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:39,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:39,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2021-11-23 01:05:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2021-11-23 01:05:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:05:56,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:56,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2021-11-23 01:06:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2021-11-23 01:06:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:06:06,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2021-11-23 01:06:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2021-11-23 01:06:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:06:39,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:39,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2021-11-23 01:06:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2021-11-23 01:06:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:06:47,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2021-11-23 01:06:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2021-11-23 01:06:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:06:47,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2021-11-23 01:06:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2021-11-23 01:06:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:06:51,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2021-11-23 01:06:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2021-11-23 01:06:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:56,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2021-11-23 01:06:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2021-11-23 01:06:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:56,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2021-11-23 01:06:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2021-11-23 01:06:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:56,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2021-11-23 01:07:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2021-11-23 01:07:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:07:05,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:05,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-23 01:07:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-23 01:07:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:07:08,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2021-11-23 01:07:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2021-11-23 01:07:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:13,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2021-11-23 01:07:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2021-11-23 01:07:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:16,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:16,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2021-11-23 01:07:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2021-11-23 01:07:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:16,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:16,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:07:17,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:07:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:07:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:07:17,204 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:07:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:07:17,306 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 65 iterations. [2021-11-23 01:07:17,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:07:17 ImpRootNode [2021-11-23 01:07:17,368 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:07:17,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:07:17,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:07:17,370 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:07:17,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:26" (3/4) ... [2021-11-23 01:07:17,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 01:07:17,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:07:17,375 INFO L158 Benchmark]: Toolchain (without parser) took 232470.47ms. Allocated memory was 100.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 68.0MB in the beginning and 850.7MB in the end (delta: -782.7MB). Peak memory consumption was 726.3MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,376 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:17,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.85ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 89.5MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.13ms. Allocated memory is still 121.6MB. Free memory was 89.5MB in the beginning and 87.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,378 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 85.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,379 INFO L158 Benchmark]: RCFGBuilder took 709.77ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 67.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,380 INFO L158 Benchmark]: CodeCheck took 231119.99ms. Allocated memory was 121.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 67.1MB in the beginning and 850.7MB in the end (delta: -783.6MB). Peak memory consumption was 705.9MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,381 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 1.6GB. Free memory is still 850.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:17,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 123 locations, 59 error locations. Started 1 CEGAR loops. OverallTime: 231.0s, OverallIterations: 65, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12215 SdHoareTripleChecker+Valid, 79.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11629 mSDsluCounter, 9686 SdHoareTripleChecker+Invalid, 67.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9108 mSDsCounter, 11447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46676 IncrementalHoareTripleChecker+Invalid, 58123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11447 mSolverCounterUnsat, 934 mSDtfsCounter, 46676 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10296 GetRequests, 8825 SyntacticMatches, 445 SemanticMatches, 1026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553999 ImplicationChecksByTransitivity, 223.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 1197 NumberOfCodeBlocks, 1197 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 7129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 40 PerfectInterpolantSequences, 189/302 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 616]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 616. Possible FailurePath: [L617] const int len = 3; [L618] CALL, EXPR dll_circular_create(len) [L564] DLL last = (DLL) malloc(sizeof(struct node)); [L565] COND FALSE !(((void *)0) == last) VAL [\old(len)=3, last={-1:0}, len=3] [L568] last->next = last VAL [\old(len)=3, last={-1:0}, len=3] [L569] last->prev = last [L570] DLL head = last; VAL [\old(len)=3, head={-1:0}, last={-1:0}, len=3] [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=3, head={-1:0}, last={-1:0}, len=3, new_head={-3:0}] [L576] new_head->next = head VAL [\old(len)=3, head={-1:0}, last={-1:0}, len=3, new_head={-3:0}] [L577] head->prev = new_head [L578] head = new_head [L579] len-- VAL [\old(len)=3, head={-3:0}, last={-1:0}, len=2, new_head={-3:0}] [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=3, head={-3:0}, last={-1:0}, len=2, new_head={-2:0}] [L576] new_head->next = head VAL [\old(len)=3, head={-3:0}, last={-1:0}, len=2, new_head={-2:0}] [L577] head->prev = new_head [L578] head = new_head [L579] len-- VAL [\old(len)=3, head={-2:0}, last={-1:0}, len=1, new_head={-2:0}] [L571] COND FALSE !(len > 1) VAL [\old(len)=3, head={-2:0}, last={-1:0}, len=1, new_head={-2:0}] [L581] last->next = head VAL [\old(len)=3, head={-2:0}, last={-1:0}, len=1, new_head={-2:0}] [L582] head->prev = last [L583] return head; [L618] RET, EXPR dll_circular_create(len) [L618] DLL head = dll_circular_create(len); [L619] CALL _destroy_in_nondeterministic_order(head) [L586] EXPR head->prev [L586] DLL pred = head->prev; [L587] EXPR head->next [L587] DLL succ = head->next; [L588] COND FALSE !(__VERIFIER_nondet_int()) [L597] COND FALSE !(__VERIFIER_nondet_int()) [L607] free(pred) VAL [head={-2:0}, head={-2:0}, pred={-1:0}, succ={-3:0}] [L607] free(pred) VAL [head={-2:0}, head={-2:0}, pred={-1:0}, succ={-3:0}] [L607] free(pred) [L608] COND FALSE !(__VERIFIER_nondet_int()) [L612] free(head) VAL [head={-2:0}, head={-2:0}, pred={-1:0}, succ={-3:0}] [L612] free(head) VAL [head={-2:0}, head={-2:0}, pred={-1:0}, succ={-3:0}] [L612] free(head) [L619] RET _destroy_in_nondeterministic_order(head) [L620] head = ((void *)0) [L621] return 0; VAL [\result=0, head={0:0}, len=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.85ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 89.5MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.13ms. Allocated memory is still 121.6MB. Free memory was 89.5MB in the beginning and 87.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 85.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.77ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 67.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 231119.99ms. Allocated memory was 121.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 67.1MB in the beginning and 850.7MB in the end (delta: -783.6MB). Peak memory consumption was 705.9MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 1.6GB. Free memory is still 850.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 01:07:17,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/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_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/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_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:07:20,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:07:20,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:07:20,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:07:20,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:07:20,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:07:20,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:07:20,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:07:20,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:07:20,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:07:20,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:07:20,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:07:20,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:07:20,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:07:20,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:07:20,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:07:20,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:07:20,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:07:20,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:07:20,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:07:20,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:07:20,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:07:20,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:07:20,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:07:20,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:07:20,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:07:20,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:07:20,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:07:20,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:07:20,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:07:20,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:07:20,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:07:20,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:07:20,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:07:20,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:07:20,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:07:20,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:07:20,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:07:20,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:07:20,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:07:20,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:07:20,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 01:07:20,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:07:20,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:07:20,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:07:20,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:07:20,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:07:20,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:07:20,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:07:20,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:07:20,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:07:20,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:07:20,429 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:07:20,429 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:07:20,430 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:07:20,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:07:20,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:07:20,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:07:20,431 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:07:20,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:07:20,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:07:20,432 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:07:20,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:07:20,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:07:20,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:20,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:07:20,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:07:20,435 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:07:20,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:07:20,435 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:07:20,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:07:20,436 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_ee2c994b-f469-4848-8f7a-26b7e6534db5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2021-11-23 01:07:20,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:07:20,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:07:20,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:07:20,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:07:20,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:07:20,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2021-11-23 01:07:20,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/a34bab1e0/95b8e0d936ae43778dffe8882f32e4f1/FLAGf06962a24 [2021-11-23 01:07:21,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:07:21,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2021-11-23 01:07:21,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/a34bab1e0/95b8e0d936ae43778dffe8882f32e4f1/FLAGf06962a24 [2021-11-23 01:07:21,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/data/a34bab1e0/95b8e0d936ae43778dffe8882f32e4f1 [2021-11-23 01:07:21,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:07:21,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:07:21,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:21,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:07:21,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:07:21,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:21" (1/1) ... [2021-11-23 01:07:21,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed9e5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:21, skipping insertion in model container [2021-11-23 01:07:21,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:21" (1/1) ... [2021-11-23 01:07:22,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:07:22,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:07:22,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:22,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:07:22,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:22,751 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:07:22,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22 WrapperNode [2021-11-23 01:07:22,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:22,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:22,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:07:22,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:07:22,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,856 INFO L137 Inliner]: procedures = 117, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 126 [2021-11-23 01:07:22,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:22,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:07:22,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:07:22,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:07:22,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:07:22,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:07:22,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:07:22,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:07:22,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:22" (1/1) ... [2021-11-23 01:07:22,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:07:23,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:07:23,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:07:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:07:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:07:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:07:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:07:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:07:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:07:23,196 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:07:23,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:07:23,885 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:07:23,954 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:07:23,954 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:07:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:23 BoogieIcfgContainer [2021-11-23 01:07:23,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:07:23,959 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:07:23,960 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:07:23,972 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:07:23,972 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:23" (1/1) ... [2021-11-23 01:07:23,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:07:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2021-11-23 01:07:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2021-11-23 01:07:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:07:24,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:24,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:24,144 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 01:07:24,159 INFO L158 Benchmark]: Toolchain (without parser) took 2172.37ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.8MB in the beginning and 47.9MB in the end (delta: -22.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,160 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:24,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.55ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.6MB in the beginning and 43.8MB in the end (delta: -18.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.69ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 41.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,164 INFO L158 Benchmark]: Boogie Preprocessor took 89.78ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 39.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,165 INFO L158 Benchmark]: RCFGBuilder took 1007.52ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 34.6MB in the end (delta: 4.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,166 INFO L158 Benchmark]: CodeCheck took 197.43ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 47.9MB in the end (delta: -13.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 01:07:24,175 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 0.35ms. Allocated memory is still 50.3MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.55ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.6MB in the beginning and 43.8MB in the end (delta: -18.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.69ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 41.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.78ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 39.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.52ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 34.6MB in the end (delta: 4.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 197.43ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 47.9MB in the end (delta: -13.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:07:24,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2c994b-f469-4848-8f7a-26b7e6534db5/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