./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:29:37,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:29:37,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:29:37,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:29:37,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:29:37,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:29:37,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:29:37,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:29:37,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:29:37,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:29:37,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:29:37,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:29:37,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:29:37,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:29:37,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:29:37,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:29:37,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:29:37,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:29:37,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:29:37,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:29:37,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:29:37,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:29:37,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:29:37,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:29:37,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:29:37,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:29:37,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:29:37,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:29:37,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:29:37,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:29:37,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:29:37,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:29:37,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:29:37,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:29:37,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:29:37,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:29:37,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:29:37,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:29:37,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:29:37,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:29:37,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:29:37,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:29:37,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:29:37,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:29:37,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:29:37,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:29:37,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:29:37,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:29:37,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:29:37,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:29:37,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:29:37,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:29:37,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:29:37,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:29:37,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:29:37,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:29:37,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:29:37,606 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:29:37,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:29:37,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:29:37,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:29:37,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:29:37,607 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:29:37,607 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:29:37,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:29:37,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:29:37,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:29:37,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:29:37,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:29:37,609 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:29:37,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:29:37,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:29:37,611 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2021-11-21 04:29:37,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:29:37,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:29:37,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:29:37,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:29:37,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:29:37,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-21 04:29:37,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/data/791f7e468/7727a4bc2ec84c198765ddbe77be7706/FLAGaaab5d2d0 [2021-11-21 04:29:38,588 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:29:38,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-21 04:29:38,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/data/791f7e468/7727a4bc2ec84c198765ddbe77be7706/FLAGaaab5d2d0 [2021-11-21 04:29:38,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/data/791f7e468/7727a4bc2ec84c198765ddbe77be7706 [2021-11-21 04:29:38,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:29:38,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:29:38,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:29:38,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:29:38,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:29:38,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:38" (1/1) ... [2021-11-21 04:29:38,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c70954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:38, skipping insertion in model container [2021-11-21 04:29:38,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:38" (1/1) ... [2021-11-21 04:29:38,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:29:38,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:29:39,353 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-21 04:29:39,496 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-21 04:29:39,500 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-21 04:29:39,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:29:39,541 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:29:39,583 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-21 04:29:39,675 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-21 04:29:39,676 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-21 04:29:39,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:29:39,734 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:29:39,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39 WrapperNode [2021-11-21 04:29:39,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:29:39,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:29:39,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:29:39,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:29:39,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:39,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:39,881 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 04:29:39,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:29:39,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:29:39,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:29:39,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:29:39,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:39,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:39,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:39,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:40,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:40,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:40,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:40,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:29:40,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:29:40,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:29:40,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:29:40,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:39" (1/1) ... [2021-11-21 04:29:40,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:29:40,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:29:40,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:29:40,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:29:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:29:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:29:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:29:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:29:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:29:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:29:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:29:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:29:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:29:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:29:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:29:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:29:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:29:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:29:40,388 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:29:40,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:29:41,421 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:29:41,825 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:29:41,825 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 04:29:41,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:41 BoogieIcfgContainer [2021-11-21 04:29:41,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:29:41,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:29:41,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:29:41,840 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:29:41,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:41" (1/1) ... [2021-11-21 04:29:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:29:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-21 04:29:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-21 04:29:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:29:41,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:41,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:42,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:29:42,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:42,253 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 04:29:42,263 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 04:29:42,354 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 04:29:42,376 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 04:29:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-21 04:29:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-21 04:29:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:29:42,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:42,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:42,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 04:29:42,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:42,560 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 04:29:42,566 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 04:29:42,630 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 04:29:42,655 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 04:29:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 228 transitions. [2021-11-21 04:29:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2021-11-21 04:29:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:29:42,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:42,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:42,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:42,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:42,758 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 04:29:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2021-11-21 04:29:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-21 04:29:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:29:42,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:42,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:29:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2021-11-21 04:29:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2021-11-21 04:29:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:29:42,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:42,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:42,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:42,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:42,991 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 04:29:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-21 04:29:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-21 04:29:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:29:43,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:43,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:43,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:43,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:43,106 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 04:29:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2021-11-21 04:29:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2021-11-21 04:29:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:29:43,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:43,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:43,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:43,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:43,224 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 04:29:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-21 04:29:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-21 04:29:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:29:43,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:43,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:43,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:29:43,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:43,458 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 04:29:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2021-11-21 04:29:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2021-11-21 04:29:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:29:43,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:43,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:43,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:43,918 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 04:29:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2021-11-21 04:29:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-21 04:29:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:29:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:43,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:44,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:29:44,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:44,137 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 04:29:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2021-11-21 04:29:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2021-11-21 04:29:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:29:44,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:44,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:44,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:29:44,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:44,375 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 04:29:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-21 04:29:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-21 04:29:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:29:44,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:44,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:44,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:29:44,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:44,697 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 04:29:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:29:44,811 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:29:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:29:44,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:44,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:45,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:29:45,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:45,395 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 04:29:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:45,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:29:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:29:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:29:45,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:45,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:45,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:29:45,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:46,065 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 04:29:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 04:29:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 04:29:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:29:46,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:46,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:46,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:29:46,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:46,485 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 04:29:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 04:29:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 04:29:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:29:46,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:46,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:46,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 04:29:46,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:47,014 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 04:29:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 04:29:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 04:29:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:29:47,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:47,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:47,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 04:29:47,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:47,696 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 04:29:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2021-11-21 04:29:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2021-11-21 04:29:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:29:47,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:47,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:48,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:29:48,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:48,355 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 04:29:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2021-11-21 04:29:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2021-11-21 04:29:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:29:48,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:48,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:48,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 04:29:48,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:49,473 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 04:29:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:29:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:29:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:29:50,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:50,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:51,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:29:51,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:51,275 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 04:29:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:29:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:29:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:29:51,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:51,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:51,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:29:51,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:51,688 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 04:29:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 04:29:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 04:29:51,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:29:51,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:51,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:51,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 04:29:51,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:52,066 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 04:29:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 158 states and 236 transitions. [2021-11-21 04:29:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2021-11-21 04:29:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:29:52,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:52,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:52,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 04:29:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:53,052 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 04:29:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 04:29:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 04:29:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:29:53,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:53,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:54,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:29:54,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:54,937 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 04:29:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 04:29:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 04:29:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:29:55,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:55,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:55,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:29:55,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:56,325 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 04:29:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:29:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:29:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:29:57,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:58,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:29:58,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:29:58,806 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 04:29:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:29:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:29:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:29:59,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:59,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:00,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:30:00,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:00,736 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 04:30:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 04:30:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 04:30:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:30:00,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:00,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:00,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 04:30:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:01,926 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 04:30:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2021-11-21 04:30:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2021-11-21 04:30:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:30:03,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:03,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:04,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 04:30:04,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:05,671 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 04:30:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2021-11-21 04:30:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2021-11-21 04:30:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:30:07,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:07,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:08,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 04:30:08,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:08,928 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 04:30:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2021-11-21 04:30:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2021-11-21 04:30:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:30:10,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:10,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:11,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 04:30:11,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:12,104 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 04:30:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 170 states and 275 transitions. [2021-11-21 04:30:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-11-21 04:30:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:30:13,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:13,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:15,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:30:15,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:16,867 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 04:30:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:30:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:30:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:30:19,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:20,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:30:20,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:21,364 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 04:30:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:30:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:30:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:30:22,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:22,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:24,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:30:24,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:25,005 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 04:30:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 04:30:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 04:30:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:30:25,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:25,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:27,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 04:30:27,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:28,297 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 04:30:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:30:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:30:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:30:29,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:29,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:31,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:30:31,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:33,171 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 04:30:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:30:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:30:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:30:35,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:35,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:37,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:30:37,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:38,390 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 04:30:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 04:30:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 04:30:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:30:39,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:39,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:41,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:30:41,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:41,881 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 04:30:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-21 04:30:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-21 04:30:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:30:44,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:44,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:47,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 04:30:47,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:48,960 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 04:30:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 299 transitions. [2021-11-21 04:30:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-21 04:30:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:30:52,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:52,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:53,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:30:53,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:30:56,097 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 04:31:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:31:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2021-11-21 04:31:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2021-11-21 04:31:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 04:31:02,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:31:02,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:31:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:31:04,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 04:31:04,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:31:07,082 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 04:31:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:31:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2021-11-21 04:31:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2021-11-21 04:31:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 04:31:12,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:31:12,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:31:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:31:22,508 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 04:31:22,512 INFO L158 Benchmark]: Toolchain (without parser) took 103709.60ms. Allocated memory was 115.3MB in the beginning and 218.1MB in the end (delta: 102.8MB). Free memory was 83.7MB in the beginning and 123.3MB in the end (delta: -39.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2021-11-21 04:31:22,513 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:31:22,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 932.13ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 65.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 04:31:22,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.49ms. Allocated memory is still 115.3MB. Free memory was 65.1MB in the beginning and 57.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:31:22,515 INFO L158 Benchmark]: Boogie Preprocessor took 174.94ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 57.8MB in the beginning and 121.7MB in the end (delta: -64.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-21 04:31:22,516 INFO L158 Benchmark]: RCFGBuilder took 1770.32ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 56.7MB in the end (delta: 65.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2021-11-21 04:31:22,516 INFO L158 Benchmark]: CodeCheck took 100681.52ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 56.7MB in the beginning and 123.3MB in the end (delta: -66.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:31:22,520 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 0.24ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 932.13ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 65.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.49ms. Allocated memory is still 115.3MB. Free memory was 65.1MB in the beginning and 57.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.94ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 57.8MB in the beginning and 121.7MB in the end (delta: -64.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1770.32ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 56.7MB in the end (delta: 65.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * CodeCheck took 100681.52ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 56.7MB in the beginning and 123.3MB in the end (delta: -66.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:31:22,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_e7cb0192-7dd3-4b01-ae3e-52e2ee8c4742/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