./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.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_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/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_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/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_12d604ec-fb84-4ccd-821c-b625b1731ca8/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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:21,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:21,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:21,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:21,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:21,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:21,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:21,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:21,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:21,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:21,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:21,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:21,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:21,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:21,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:21,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:21,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:21,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:21,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:21,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:21,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:21,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:21,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:21,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:21,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:21,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:21,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:21,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:21,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:21,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:21,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:21,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:21,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:21,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:21,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:21,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:21,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:21,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:21,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:21,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:21,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:21,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:49:21,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:21,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:21,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:21,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:21,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:21,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:21,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:21,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:21,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:49:21,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:21,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:21,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:21,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:21,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:21,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:21,476 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:49:21,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:21,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:21,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:21,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:21,477 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:21,478 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:21,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:21,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:21,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:21,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:21,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:21,479 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:21,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:21,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:21,480 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2021-11-23 00:49:21,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:21,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:21,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:21,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:21,840 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:21,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2021-11-23 00:49:21,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/data/b24301391/779a7647956345a0b391ff14375f2bfa/FLAGb8189471f [2021-11-23 00:49:22,598 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:22,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2021-11-23 00:49:22,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/data/b24301391/779a7647956345a0b391ff14375f2bfa/FLAGb8189471f [2021-11-23 00:49:22,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/data/b24301391/779a7647956345a0b391ff14375f2bfa [2021-11-23 00:49:22,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:22,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:22,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:22,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:22,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:22,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:22" (1/1) ... [2021-11-23 00:49:22,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7404e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:22, skipping insertion in model container [2021-11-23 00:49:22,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:22" (1/1) ... [2021-11-23 00:49:22,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:22,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:23,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2021-11-23 00:49:23,581 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2021-11-23 00:49:23,582 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2021-11-23 00:49:23,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:23,616 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:23,661 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2021-11-23 00:49:23,767 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2021-11-23 00:49:23,768 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_12d604ec-fb84-4ccd-821c-b625b1731ca8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2021-11-23 00:49:23,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:23,850 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:23,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23 WrapperNode [2021-11-23 00:49:23,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:23,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:23,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:23,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:23,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:23,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:23,995 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-23 00:49:23,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:23,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:23,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:23,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:24,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:24,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:24,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:24,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:24,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:23" (1/1) ... [2021-11-23 00:49:24,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:24,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:24,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:49:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:49:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:49:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:49:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:49:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:49:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:49:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 00:49:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:49:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:49:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:24,424 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:24,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:25,505 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:25,915 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:25,915 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-23 00:49:25,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:25 BoogieIcfgContainer [2021-11-23 00:49:25,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:25,920 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:25,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:25,931 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:25,931 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-23 00:49:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-23 00:49:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:49:26,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:49:26,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:26,293 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 00:49:26,303 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 [2021-11-23 00:49:26,433 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 [2021-11-23 00:49:26,453 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 00:49:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-23 00:49:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-23 00:49:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:49:26,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:49:26,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:26,644 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 00:49:26,650 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 [2021-11-23 00:49:26,711 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 [2021-11-23 00:49:26,731 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 00:49:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 228 transitions. [2021-11-23 00:49:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2021-11-23 00:49:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:49:26,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:26,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:26,870 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 00:49:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2021-11-23 00:49:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-23 00:49:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:26,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,992 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 00:49:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2021-11-23 00:49:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2021-11-23 00:49:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:27,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:27,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:27,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:27,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:27,199 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 00:49:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-23 00:49:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-23 00:49:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:27,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:27,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:27,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:27,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:27,298 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 00:49:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2021-11-23 00:49:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2021-11-23 00:49:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:49:27,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:27,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:27,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:27,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:27,449 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 00:49:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-23 00:49:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-23 00:49:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:49:27,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:27,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:27,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:49:27,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:27,715 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 00:49:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2021-11-23 00:49:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2021-11-23 00:49:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:28,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:28,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:28,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:28,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:28,227 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 00:49:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2021-11-23 00:49:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-23 00:49:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:49:28,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:28,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:28,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:49:28,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:28,401 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 00:49:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2021-11-23 00:49:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2021-11-23 00:49:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:49:28,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:28,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:49:28,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:28,654 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 00:49:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-23 00:49:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-23 00:49:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:49:28,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:28,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:28,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:49:28,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:28,939 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 00:49:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-23 00:49:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-23 00:49:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:49:29,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:29,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:49:29,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:49:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-23 00:49:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-23 00:49:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:49:29,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:49:30,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:49:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-23 00:49:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-23 00:49:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:49:30,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:49:30,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:30,633 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 00:49:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-23 00:49:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-23 00:49:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:49:30,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:49:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:49:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-23 00:49:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-23 00:49:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:49:31,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:31,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:31,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:49:31,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:31,946 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 00:49:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2021-11-23 00:49:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2021-11-23 00:49:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:49:32,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:32,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:32,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:49:32,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:32,574 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 00:49:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2021-11-23 00:49:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2021-11-23 00:49:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:49:32,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:32,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:33,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:49:33,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:49:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-23 00:49:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-23 00:49:34,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:49:34,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:34,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:49:35,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:49:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-23 00:49:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-23 00:49:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:49:35,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:49:35,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:49:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-23 00:49:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-23 00:49:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:49:35,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:49:36,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:36,348 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 00:49:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 158 states and 236 transitions. [2021-11-23 00:49:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2021-11-23 00:49:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:49:36,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:49:36,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:37,321 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 00:49:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-23 00:49:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-23 00:49:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:49:38,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:49:38,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:39,339 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 00:49:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-23 00:49:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-23 00:49:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:49:40,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:40,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:40,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:49:40,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:40,994 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 00:49:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-23 00:49:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-23 00:49:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:49:41,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:41,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:49:43,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:49:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-23 00:49:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-23 00:49:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:49:44,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:44,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:49:45,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:49:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-23 00:49:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-23 00:49:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:49:45,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:49:45,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:46,508 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 00:49:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2021-11-23 00:49:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2021-11-23 00:49:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:49:47,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:49:49,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:50,032 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 00:49:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2021-11-23 00:49:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2021-11-23 00:49:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:49:51,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:49:52,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:53,433 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 00:49:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2021-11-23 00:49:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2021-11-23 00:49:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:49:54,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:49:56,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:56,723 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 00:49:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 170 states and 275 transitions. [2021-11-23 00:49:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-11-23 00:49:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:58,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:00,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:50:00,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:01,524 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 00:50:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-23 00:50:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-23 00:50:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:50:03,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:03,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:04,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:50:04,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:06,015 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 00:50:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-23 00:50:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-23 00:50:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:50:07,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:50:09,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:09,719 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 00:50:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-23 00:50:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-23 00:50:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:50:09,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:12,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:50:12,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:13,626 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 00:50:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-23 00:50:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-23 00:50:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:50:15,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:17,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 00:50:17,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:50:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-23 00:50:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-23 00:50:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:50:21,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:21,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:50:23,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:25,062 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 00:50:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-23 00:50:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-23 00:50:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:50:25,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:27,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:50:27,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:28,862 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 00:50:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-23 00:50:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-23 00:50:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:50:31,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:31,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:50:35,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-23 00:50:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 299 transitions. [2021-11-23 00:50:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-23 00:50:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:50:41,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:41,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:42,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:50:42,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 00:50:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2021-11-23 00:50:52,546 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2021-11-23 00:50:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:50:52,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:50:55,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 00:51:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2021-11-23 00:51:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2021-11-23 00:51:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:51:04,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:04,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:51:14,806 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 00:51:14,810 INFO L158 Benchmark]: Toolchain (without parser) took 111995.80ms. Allocated memory was 92.3MB in the beginning and 255.9MB in the end (delta: 163.6MB). Free memory was 57.4MB in the beginning and 195.9MB in the end (delta: -138.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-23 00:51:14,811 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:51:14,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.18ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 77.5MB in the end (delta: -20.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:51:14,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.59ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 70.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:51:14,813 INFO L158 Benchmark]: Boogie Preprocessor took 93.30ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 62.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:51:14,814 INFO L158 Benchmark]: RCFGBuilder took 1828.65ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 00:51:14,815 INFO L158 Benchmark]: CodeCheck took 108888.63ms. Allocated memory was 125.8MB in the beginning and 255.9MB in the end (delta: 130.0MB). Free memory was 60.0MB in the beginning and 195.9MB in the end (delta: -136.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:51:14,819 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 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.18ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.2MB in the beginning and 77.5MB in the end (delta: -20.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.59ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 70.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.30ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 62.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1828.65ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * CodeCheck took 108888.63ms. Allocated memory was 125.8MB in the beginning and 255.9MB in the end (delta: 130.0MB). Free memory was 60.0MB in the beginning and 195.9MB in the end (delta: -136.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:51:14,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d604ec-fb84-4ccd-821c-b625b1731ca8/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_12d604ec-fb84-4ccd-821c-b625b1731ca8/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