./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB --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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:30:30,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:30,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:30,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:30,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:30,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:30,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:30,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:30,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:30,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:30,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:30,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:30,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:30,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:30,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:30,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:30,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:30,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:30,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:30,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:30,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:30,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:30,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:30,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:30,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:30,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:30,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:30,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:30,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:30,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:30,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:30,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:30,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:30,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:30,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:30,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:30,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:30,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:30,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:30,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:30,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:30,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:30:30,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:30,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:30,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:30,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:30,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:30,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:30,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:30,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:30,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:30:30,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:30,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:30,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:30,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:30,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:30,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:30,414 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:30:30,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:30,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:30,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:30,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:30,415 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:30,416 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:30,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:30,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:30,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:30,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:30,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:30,420 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:30,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:30,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:30,421 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_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2022-10-17 16:30:30,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:30,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:30,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:30,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:30,817 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:30,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-10-17 16:30:30,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/data/e2057e967/0966c6b1b87d4e51a4d4423ac5d482b3/FLAGac2788462 [2022-10-17 16:30:31,817 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:31,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-10-17 16:30:31,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/data/e2057e967/0966c6b1b87d4e51a4d4423ac5d482b3/FLAGac2788462 [2022-10-17 16:30:32,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/data/e2057e967/0966c6b1b87d4e51a4d4423ac5d482b3 [2022-10-17 16:30:32,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:32,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:32,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:32,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:32,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:32,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:32" (1/1) ... [2022-10-17 16:30:32,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b39eab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:32, skipping insertion in model container [2022-10-17 16:30:32,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:32" (1/1) ... [2022-10-17 16:30:32,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:32,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:33,256 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_4939970b-7a5c-4361-b267-6199b86c8a15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-10-17 16:30:33,624 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_4939970b-7a5c-4361-b267-6199b86c8a15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-10-17 16:30:33,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:33,641 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:33,694 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_4939970b-7a5c-4361-b267-6199b86c8a15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-10-17 16:30:34,006 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_4939970b-7a5c-4361-b267-6199b86c8a15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-10-17 16:30:34,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:34,055 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:34,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34 WrapperNode [2022-10-17 16:30:34,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:34,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:34,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:34,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:34,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,243 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2872 [2022-10-17 16:30:34,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:34,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:34,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:34,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:34,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:34,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:34,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:34,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:34,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:34,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:34,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:34,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4939970b-7a5c-4361-b267-6199b86c8a15/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:30:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:30:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:30:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:30:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:30:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:30:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:30:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:30:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:34,978 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:34,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:38,891 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:39,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:39,534 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-10-17 16:30:39,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:39 BoogieIcfgContainer [2022-10-17 16:30:39,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:39,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:39,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:39,556 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:39,556 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1109 states and 2178 transitions. [2022-10-17 16:30:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2178 transitions. [2022-10-17 16:30:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:30:39,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:40,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:40,143 INFO L390 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 [2022-10-17 16:30:40,155 INFO L390 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 [2022-10-17 16:30:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:30:40,231 INFO L390 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 15 treesize of output 7 [2022-10-17 16:30:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1112 states and 2183 transitions. [2022-10-17 16:30:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2183 transitions. [2022-10-17 16:30:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:30:40,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:40,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:40,470 INFO L390 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 [2022-10-17 16:30:40,483 INFO L390 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 [2022-10-17 16:30:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:30:40,544 INFO L390 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 15 treesize of output 7 [2022-10-17 16:30:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1113 states and 2184 transitions. [2022-10-17 16:30:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2184 transitions. [2022-10-17 16:30:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:30:40,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:40,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1113 states and 2182 transitions. [2022-10-17 16:30:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2182 transitions. [2022-10-17 16:30:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:30:40,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1113 states and 2177 transitions. [2022-10-17 16:30:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2177 transitions. [2022-10-17 16:30:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:41,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:41,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1113 states and 2173 transitions. [2022-10-17 16:30:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2173 transitions. [2022-10-17 16:30:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:41,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:41,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1113 states and 2167 transitions. [2022-10-17 16:30:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2167 transitions. [2022-10-17 16:30:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:30:41,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:41,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1113 states and 2159 transitions. [2022-10-17 16:30:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2159 transitions. [2022-10-17 16:30:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:41,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:30:42,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1127 states and 2176 transitions. [2022-10-17 16:30:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2176 transitions. [2022-10-17 16:30:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:30:43,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:43,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:43,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:43,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1127 states and 2174 transitions. [2022-10-17 16:30:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2174 transitions. [2022-10-17 16:30:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:43,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:30:44,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1127 states and 2172 transitions. [2022-10-17 16:30:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2172 transitions. [2022-10-17 16:30:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:30:44,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:30:44,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:30:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:30:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:30:45,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:47,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:30:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:30:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:30:47,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:48,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:30:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:30:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:30:48,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:49,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:30:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:30:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:30:49,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:50,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1130 states and 2174 transitions. [2022-10-17 16:30:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2174 transitions. [2022-10-17 16:30:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:30:50,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:30:52,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1132 states and 2178 transitions. [2022-10-17 16:30:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2178 transitions. [2022-10-17 16:30:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:30:52,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:56,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:30:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1132 states and 2178 transitions. [2022-10-17 16:30:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2178 transitions. [2022-10-17 16:30:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:30:56,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:31:04,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:31:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1134 states and 2181 transitions. [2022-10-17 16:31:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 2181 transitions. [2022-10-17 16:31:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:31:05,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms