./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:10,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:10,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:10,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:10,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:10,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:10,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:10,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:10,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:10,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:10,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:10,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:10,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:10,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:10,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:10,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:10,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:10,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:10,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:10,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:10,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:10,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:10,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:10,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:10,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:10,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:10,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:10,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:10,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:10,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:10,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:10,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:10,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:10,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:10,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:10,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:10,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:10,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:10,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:10,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:10,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:10,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:10,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:10,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:10,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:10,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:10,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:10,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:10,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:10,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:10,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:10,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:10,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:10,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:10,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:10,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:10,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:10,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:10,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:10,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:10,736 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:10,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:10,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:10,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:10,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:10,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:10,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:10,742 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:10,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:10,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:10,745 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_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2022-10-17 16:51:11,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:11,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:11,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:11,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:11,061 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:11,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-10-17 16:51:11,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/data/f1a790a37/b2ac0c887f844838a8f5d18c22de0404/FLAG11049b1eb [2022-10-17 16:51:11,667 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:11,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-10-17 16:51:11,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/data/f1a790a37/b2ac0c887f844838a8f5d18c22de0404/FLAG11049b1eb [2022-10-17 16:51:11,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/data/f1a790a37/b2ac0c887f844838a8f5d18c22de0404 [2022-10-17 16:51:11,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:11,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:11,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:11,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:11,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:11,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:11" (1/1) ... [2022-10-17 16:51:11,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dba94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:11, skipping insertion in model container [2022-10-17 16:51:11,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:11" (1/1) ... [2022-10-17 16:51:11,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:12,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:12,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2022-10-17 16:51:12,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2022-10-17 16:51:12,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2022-10-17 16:51:12,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2022-10-17 16:51:12,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2022-10-17 16:51:12,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2022-10-17 16:51:12,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2022-10-17 16:51:12,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:12,425 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:12,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2022-10-17 16:51:12,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2022-10-17 16:51:12,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2022-10-17 16:51:12,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2022-10-17 16:51:12,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2022-10-17 16:51:12,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2022-10-17 16:51:12,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2022-10-17 16:51:12,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:12,549 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12 WrapperNode [2022-10-17 16:51:12,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:12,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:12,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:12,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:12,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,636 INFO L138 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 196 [2022-10-17 16:51:12,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:12,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:12,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:12,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:12,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,697 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:12,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:12,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:12,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:12,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:12,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:12,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:12,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efb0cc8-6bdf-4d4d-ac40-39d8ab0c1291/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:12,964 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:12,966 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:13,396 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:13,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:13,520 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-10-17 16:51:13,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:13 BoogieIcfgContainer [2022-10-17 16:51:13,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:13,525 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:13,526 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:13,537 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:13,537 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2022-10-17 16:51:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2022-10-17 16:51:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:51:13,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-10-17 16:51:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-10-17 16:51:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:13,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2022-10-17 16:51:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2022-10-17 16:51:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:14,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2022-10-17 16:51:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2022-10-17 16:51:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:14,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2022-10-17 16:51:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2022-10-17 16:51:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:16,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:19,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2022-10-17 16:51:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2022-10-17 16:51:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:19,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 132 transitions. [2022-10-17 16:51:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2022-10-17 16:51:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:22,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2022-10-17 16:51:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2022-10-17 16:51:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:25,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2022-10-17 16:51:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2022-10-17 16:51:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:29,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 184 transitions. [2022-10-17 16:51:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 184 transitions. [2022-10-17 16:51:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:31,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2022-10-17 16:51:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2022-10-17 16:51:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:35,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 102 states and 213 transitions. [2022-10-17 16:51:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 213 transitions. [2022-10-17 16:51:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:37,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.