./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:35:25,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:35:25,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:35:25,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:35:25,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:35:25,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:35:25,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:35:25,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:35:25,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:35:25,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:35:25,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:35:25,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:35:25,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:35:25,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:35:25,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:35:25,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:35:25,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:35:25,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:35:25,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:35:25,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:35:25,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:35:25,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:35:25,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:35:25,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:35:25,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:35:25,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:35:25,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:35:25,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:35:25,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:35:25,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:35:25,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:35:25,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:35:25,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:35:25,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:35:25,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:35:25,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:35:25,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:35:25,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:35:25,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:35:25,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:35:25,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:35:25,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:35:25,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:35:25,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:35:25,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:35:25,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:35:25,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:35:25,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:35:25,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:35:25,595 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:35:25,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:35:25,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:35:25,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:35:25,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:35:25,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:35:25,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:35:25,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:35:25,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:35:25,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:35:25,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:35:25,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:35:25,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:35:25,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:35:25,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:35:25,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:35:25,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:25,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:35:25,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:35:25,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:35:25,607 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:35:25,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:35:25,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:35:25,609 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_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2021-11-21 04:35:25,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:35:25,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:35:25,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:35:25,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:35:25,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:35:25,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-21 04:35:26,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/data/3df90727a/d15d31da57df4afe94b98110efbeda52/FLAG3cf8b68d5 [2021-11-21 04:35:26,670 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:35:26,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-21 04:35:26,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/data/3df90727a/d15d31da57df4afe94b98110efbeda52/FLAG3cf8b68d5 [2021-11-21 04:35:26,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/data/3df90727a/d15d31da57df4afe94b98110efbeda52 [2021-11-21 04:35:26,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:35:26,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:35:26,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:26,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:35:26,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:35:26,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:26" (1/1) ... [2021-11-21 04:35:26,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a376d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:26, skipping insertion in model container [2021-11-21 04:35:26,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:26" (1/1) ... [2021-11-21 04:35:26,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:35:26,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:35:27,440 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-21 04:35:27,615 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-21 04:35:27,616 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-21 04:35:27,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:27,655 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:35:27,682 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-21 04:35:27,749 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-21 04:35:27,750 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_aa0bc2c0-867e-45e6-849f-c42983976402/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-21 04:35:27,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:27,795 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:35:27,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27 WrapperNode [2021-11-21 04:35:27,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:27,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:27,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:35:27,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:35:27,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:27,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:27,960 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 04:35:27,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:27,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:35:27,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:35:27,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:35:27,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:27,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:27,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:27,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:28,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:28,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:28,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:28,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:35:28,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:35:28,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:35:28,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:35:28,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:27" (1/1) ... [2021-11-21 04:35:28,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:28,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:35:28,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:35:28,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:35:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:35:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:35:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:35:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:35:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:35:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:35:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:35:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:35:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:35:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:35:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:35:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:35:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:35:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:35:28,552 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:35:28,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:35:29,661 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:35:30,062 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:35:30,062 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 04:35:30,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:30 BoogieIcfgContainer [2021-11-21 04:35:30,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:35:30,067 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:35:30,067 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:35:30,076 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:35:30,077 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:30" (1/1) ... [2021-11-21 04:35:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:35:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-21 04:35:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-21 04:35:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:35:30,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:30,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:35:30,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:30,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 04:35:30,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 04:35:30,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-11-21 04:35:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-21 04:35:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-21 04:35:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:35:30,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:30,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:35:30,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:30,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 04:35:30,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 04:35:30,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-11-21 04:35:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 228 transitions. [2021-11-21 04:35:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2021-11-21 04:35:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:35:30,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:30,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:30,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2021-11-21 04:35:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-21 04:35:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:35:30,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:30,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2021-11-21 04:35:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2021-11-21 04:35:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:35:31,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:31,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:31,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-21 04:35:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-21 04:35:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:31,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:31,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:31,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2021-11-21 04:35:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2021-11-21 04:35:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:35:31,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:31,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:31,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-21 04:35:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-21 04:35:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:35:31,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:31,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:35:31,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2021-11-21 04:35:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2021-11-21 04:35:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:35:32,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:32,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:32,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:32,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2021-11-21 04:35:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-21 04:35:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:35:32,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:32,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:32,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:32,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2021-11-21 04:35:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2021-11-21 04:35:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:35:32,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:32,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:32,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:35:32,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-21 04:35:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-21 04:35:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:32,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:32,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:32,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:32,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:35:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:35:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:35:33,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:33,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:33,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:35:33,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:35:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:35:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:35:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:35:33,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:33,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:34,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:35:34,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:35:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:35:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:35:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:35:34,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:34,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:34,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:35:34,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 04:35:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 04:35:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:35:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:35,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:35,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 04:35:35,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 04:35:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 04:35:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:35:35,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:35,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:36,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 04:35:36,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:36,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2021-11-21 04:35:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2021-11-21 04:35:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:35:36,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:36,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:36,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:35:36,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:35:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2021-11-21 04:35:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2021-11-21 04:35:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:35:37,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:37,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:37,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 04:35:37,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:35:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:35:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:35:39,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:35:39,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:39,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:39,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:35:39,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:35:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:35:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:35:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:35:40,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:40,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:40,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:35:40,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:35:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:35:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:35:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:35:40,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:40,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:40,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 04:35:40,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:35:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 158 states and 236 transitions. [2021-11-21 04:35:41,009 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2021-11-21 04:35:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:35:41,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:41,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:41,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 04:35:41,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 04:35:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 04:35:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:35:42,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:42,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:43,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:35:43,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:35:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 04:35:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 04:35:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:35:44,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:44,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:45,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:35:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:35:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:35:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:35:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:35:46,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:46,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:47,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:35:47,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:35:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:35:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:35:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:35:49,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:49,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:50,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:35:50,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:35:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:35:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:35:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:35:50,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:50,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:50,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 04:35:50,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:35:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2021-11-21 04:35:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2021-11-21 04:35:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:35:52,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:52,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:54,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 04:35:54,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 04:35:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2021-11-21 04:35:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2021-11-21 04:35:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:35:57,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:57,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:58,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 04:35:58,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 04:36:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2021-11-21 04:36:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2021-11-21 04:36:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:36:00,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:01,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 04:36:01,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 04:36:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 170 states and 275 transitions. [2021-11-21 04:36:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-11-21 04:36:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:36:04,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:04,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:06,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:36:06,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 04:36:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:36:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:36:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:36:10,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:10,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:11,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:36:11,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:36:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:36:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:36:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:36:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:14,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:16,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:36:16,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:36:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:36:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:36:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:36:17,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:17,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:19,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 04:36:19,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:36:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:36:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:36:22,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:36:22,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:22,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:24,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:36:24,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:36:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:36:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:36:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:36:28,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:30,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:36:30,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 04:36:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:36:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:36:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:36:32,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:32,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:34,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:36:34,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 04:36:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-21 04:36:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-21 04:36:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:36:38,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:38,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:41,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 04:36:41,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:36:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 299 transitions. [2021-11-21 04:36:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-21 04:36:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:36:47,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:47,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:49,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:36:49,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-21 04:36:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2021-11-21 04:36:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2021-11-21 04:36:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 04:36:59,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:59,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:01,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 04:37:01,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:37:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-21 04:37:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2021-11-21 04:37:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2021-11-21 04:37:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 04:37:10,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:10,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:37:20,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 04:37:20,830 INFO L158 Benchmark]: Toolchain (without parser) took 113942.11ms. Allocated memory was 96.5MB in the beginning and 230.7MB in the end (delta: 134.2MB). Free memory was 75.6MB in the beginning and 144.2MB in the end (delta: -68.6MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,831 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:37:20,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.55ms. Allocated memory is still 96.5MB. Free memory was 75.3MB in the beginning and 42.7MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.00ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 68.0MB in the end (delta: -25.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,833 INFO L158 Benchmark]: Boogie Preprocessor took 115.48ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 60.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,834 INFO L158 Benchmark]: RCFGBuilder took 1988.36ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 59.6MB in the beginning and 78.1MB in the end (delta: -18.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,834 INFO L158 Benchmark]: CodeCheck took 110762.24ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 78.1MB in the beginning and 144.2MB in the end (delta: -66.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-21 04:37:20,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.55ms. Allocated memory is still 96.5MB. Free memory was 75.3MB in the beginning and 42.7MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.00ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 68.0MB in the end (delta: -25.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.48ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 60.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1988.36ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 59.6MB in the beginning and 78.1MB in the end (delta: -18.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * CodeCheck took 110762.24ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 78.1MB in the beginning and 144.2MB in the end (delta: -66.2MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:37:20,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0bc2c0-867e-45e6-849f-c42983976402/bin/ukojak-vF6T2TMglN/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown