./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ --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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:55:07,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:55:07,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:55:07,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:55:07,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:55:07,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:55:07,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:55:07,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:55:07,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:55:07,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:55:07,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:55:07,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:55:07,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:55:07,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:55:07,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:55:07,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:55:07,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:55:07,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:55:07,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:55:07,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:55:07,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:55:07,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:55:07,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:55:07,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:55:07,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:55:07,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:55:07,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:55:07,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:55:07,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:55:07,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:55:07,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:55:07,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:55:07,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:55:07,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:55:07,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:55:07,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:55:07,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:55:07,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:55:07,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:55:07,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:55:07,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:55:07,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:55:07,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:55:07,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:55:07,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:55:07,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:55:07,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:55:07,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:55:07,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:55:07,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:55:07,205 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:55:07,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:55:07,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:55:07,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:55:07,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:55:07,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:55:07,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:55:07,208 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:55:07,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:55:07,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:55:07,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:55:07,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:55:07,209 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:55:07,209 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:55:07,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:55:07,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:07,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:55:07,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:55:07,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:55:07,211 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:55:07,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:55:07,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:55:07,213 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_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2021-11-23 00:55:07,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:55:07,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:55:07,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:55:07,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:55:07,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:55:07,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-23 00:55:07,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/data/987067a13/5f84cc62841144f49733153c877c710e/FLAGe7cd6c80c [2021-11-23 00:55:08,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:55:08,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-23 00:55:08,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/data/987067a13/5f84cc62841144f49733153c877c710e/FLAGe7cd6c80c [2021-11-23 00:55:08,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/data/987067a13/5f84cc62841144f49733153c877c710e [2021-11-23 00:55:08,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:55:08,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:55:08,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:08,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:55:08,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:55:08,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:08" (1/1) ... [2021-11-23 00:55:08,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d605af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:08, skipping insertion in model container [2021-11-23 00:55:08,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:08" (1/1) ... [2021-11-23 00:55:08,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:55:08,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:55:09,106 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_581cf9c5-bca9-4b32-abe6-3774dacad051/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-23 00:55:09,277 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_581cf9c5-bca9-4b32-abe6-3774dacad051/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-23 00:55:09,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:09,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:55:09,352 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_581cf9c5-bca9-4b32-abe6-3774dacad051/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-23 00:55:09,444 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_581cf9c5-bca9-4b32-abe6-3774dacad051/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-23 00:55:09,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:09,491 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:55:09,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09 WrapperNode [2021-11-23 00:55:09,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:09,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:09,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:55:09,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:55:09,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,619 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-23 00:55:09,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:09,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:55:09,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:55:09,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:55:09,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:55:09,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:55:09,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:55:09,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:55:09,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:09" (1/1) ... [2021-11-23 00:55:09,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:55:09,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:55:09,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:55:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:55:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:55:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 00:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:55:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:55:10,159 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:55:10,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:55:11,042 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:55:11,416 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:55:11,416 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 00:55:11,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:11 BoogieIcfgContainer [2021-11-23 00:55:11,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:55:11,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:55:11,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:55:11,432 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:55:11,432 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:11" (1/1) ... [2021-11-23 00:55:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:55:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-11-23 00:55:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-11-23 00:55:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:55:11,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:11,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:11,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:55:11,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:11,818 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 [2021-11-23 00:55:11,897 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 20 treesize of output 12 [2021-11-23 00:55:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2021-11-23 00:55:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2021-11-23 00:55:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:55:11,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:11,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:55:12,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:12,111 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 [2021-11-23 00:55:12,184 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 20 treesize of output 12 [2021-11-23 00:55:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-23 00:55:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-23 00:55:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:55:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2021-11-23 00:55:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2021-11-23 00:55:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:55:12,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:12,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2021-11-23 00:55:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-23 00:55:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:55:12,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2021-11-23 00:55:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2021-11-23 00:55:12,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:55:12,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:12,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 137 states and 221 transitions. [2021-11-23 00:55:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2021-11-23 00:55:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:55:12,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:12,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2021-11-23 00:55:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2021-11-23 00:55:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:55:12,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2021-11-23 00:55:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2021-11-23 00:55:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:13,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 224 transitions. [2021-11-23 00:55:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2021-11-23 00:55:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:55:13,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2021-11-23 00:55:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-11-23 00:55:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:55:13,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:55:14,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-23 00:55:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-23 00:55:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:14,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:55:14,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:55:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 154 states and 222 transitions. [2021-11-23 00:55:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2021-11-23 00:55:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:55:14,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:55:14,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2021-11-23 00:55:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2021-11-23 00:55:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:55:15,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:15,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:15,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:55:15,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:55:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2021-11-23 00:55:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2021-11-23 00:55:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:55:15,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:15,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:55:16,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2021-11-23 00:55:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2021-11-23 00:55:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:17,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:55:17,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-23 00:55:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-23 00:55:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:55:18,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:18,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:55:18,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:55:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 244 transitions. [2021-11-23 00:55:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 244 transitions. [2021-11-23 00:55:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:55:20,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:55:20,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:55:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:55:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:55:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:55:21,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:21,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:55:23,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:55:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:55:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:55:24,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:24,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:25,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:55:25,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:55:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:55:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:55:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:55:26,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:26,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:26,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:55:26,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:55:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 165 states and 250 transitions. [2021-11-23 00:55:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2021-11-23 00:55:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:27,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:27,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:29,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:55:29,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:55:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 00:55:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 00:55:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:55:31,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:31,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:32,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 00:55:32,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 00:55:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 00:55:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:55:35,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:35,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:55:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 00:55:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 00:55:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:55:36,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:36,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:37,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:37,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:55:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 169 states and 265 transitions. [2021-11-23 00:55:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 265 transitions. [2021-11-23 00:55:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:55:39,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:39,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:41,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:55:41,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:55:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 171 states and 268 transitions. [2021-11-23 00:55:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 268 transitions. [2021-11-23 00:55:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:55:44,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:44,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:46,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 00:55:46,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 00:55:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 271 transitions. [2021-11-23 00:55:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-11-23 00:55:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:55:48,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:48,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:49,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 00:55:49,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:55:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 00:55:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 00:55:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:55:52,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:52,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:57,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:55:57,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:55:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 00:55:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 00:55:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:55:59,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:59,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:56:01,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:56:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 00:56:02,475 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 00:56:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:56:02,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:02,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:05,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:56:05,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 00:56:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-23 00:56:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-23 00:56:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:56:06,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:10,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:56:10,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 00:56:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-23 00:56:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-23 00:56:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:56:13,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:13,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:16,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:56:16,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:56:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 179 states and 281 transitions. [2021-11-23 00:56:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2021-11-23 00:56:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:56:20,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:56:30,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:56:30,711 INFO L158 Benchmark]: Toolchain (without parser) took 82214.91ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 54.0MB in the beginning and 142.4MB in the end (delta: -88.4MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,711 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:30,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.67ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 64.0MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.60ms. Allocated memory is still 113.2MB. Free memory was 64.0MB in the beginning and 57.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,712 INFO L158 Benchmark]: Boogie Preprocessor took 120.70ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 50.1MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,713 INFO L158 Benchmark]: RCFGBuilder took 1666.98ms. Allocated memory is still 113.2MB. Free memory was 50.1MB in the beginning and 49.2MB in the end (delta: 956.3kB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,713 INFO L158 Benchmark]: CodeCheck took 79288.61ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 49.2MB in the beginning and 142.4MB in the end (delta: -93.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2021-11-23 00:56:30,716 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 0.27ms. Allocated memory is still 92.3MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.67ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 64.0MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.60ms. Allocated memory is still 113.2MB. Free memory was 64.0MB in the beginning and 57.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.70ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 50.1MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1666.98ms. Allocated memory is still 113.2MB. Free memory was 50.1MB in the beginning and 49.2MB in the end (delta: 956.3kB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * CodeCheck took 79288.61ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 49.2MB in the beginning and 142.4MB in the end (delta: -93.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:56:30,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/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_581cf9c5-bca9-4b32-abe6-3774dacad051/bin/ukojak-LBtLqBUTdQ/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