./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:47:51,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:47:51,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:47:51,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:47:51,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:47:51,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:47:51,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:47:51,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:47:51,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:47:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:47:51,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:47:51,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:47:51,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:47:51,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:47:51,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:47:51,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:47:51,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:47:51,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:47:51,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:47:51,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:47:51,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:47:51,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:47:51,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:47:51,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:47:51,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:47:51,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:47:51,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:47:51,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:47:51,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:47:51,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:47:51,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:47:51,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:47:51,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:47:51,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:47:51,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:47:51,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:47:51,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:47:51,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:47:51,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:47:51,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:47:51,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:47:51,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:47:51,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:47:51,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:47:51,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:47:51,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:47:51,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:47:51,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:47:51,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:47:51,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:47:51,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:47:51,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:47:51,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:47:51,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:47:51,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:47:51,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:47:51,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:47:51,379 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:47:51,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:47:51,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:47:51,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:47:51,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:47:51,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:47:51,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:47:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:47:51,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:47:51,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:47:51,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:47:51,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:47:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:47:51,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:47:51,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:47:51,384 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2021-11-25 07:47:51,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:47:51,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:47:51,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:47:51,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:47:51,720 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:47:51,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2021-11-25 07:47:51,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/data/23ed172f8/f4e1169e1a9d422c850c2633ffdde5e2/FLAGc9731d651 [2021-11-25 07:47:52,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:47:52,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2021-11-25 07:47:52,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/data/23ed172f8/f4e1169e1a9d422c850c2633ffdde5e2/FLAGc9731d651 [2021-11-25 07:47:52,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/data/23ed172f8/f4e1169e1a9d422c850c2633ffdde5e2 [2021-11-25 07:47:52,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:47:52,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:47:52,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:47:52,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:47:52,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:47:52,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:52" (1/1) ... [2021-11-25 07:47:52,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3613d13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:52, skipping insertion in model container [2021-11-25 07:47:52,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:52" (1/1) ... [2021-11-25 07:47:52,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:47:52,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:47:53,315 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2021-11-25 07:47:53,330 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2021-11-25 07:47:53,450 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2021-11-25 07:47:53,451 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2021-11-25 07:47:53,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:47:53,469 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:47:53,504 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2021-11-25 07:47:53,507 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2021-11-25 07:47:53,590 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2021-11-25 07:47:53,591 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_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2021-11-25 07:47:53,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:47:53,684 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:47:53,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53 WrapperNode [2021-11-25 07:47:53,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:47:53,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:47:53,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:47:53,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:47:53,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,898 INFO L137 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1050 [2021-11-25 07:47:53,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:47:53,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:47:53,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:47:53,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:47:53,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:53,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:54,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:54,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:54,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:47:54,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:47:54,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:47:54,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:47:54,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:53" (1/1) ... [2021-11-25 07:47:54,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:47:54,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:47:54,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:47:54,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:47:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:47:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 07:47:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:47:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:47:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 07:47:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 07:47:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:47:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:47:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:47:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:47:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:47:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:47:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 07:47:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 07:47:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:47:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 07:47:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 07:47:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:47:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:47:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:47:54,461 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:47:54,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:47:55,508 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:47:55,885 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:47:55,885 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 07:47:55,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:55 BoogieIcfgContainer [2021-11-25 07:47:55,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:47:55,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:47:55,891 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:47:55,902 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:47:55,902 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:55" (1/1) ... [2021-11-25 07:47:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:47:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2021-11-25 07:47:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2021-11-25 07:47:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:47:56,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:56,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:56,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 07:47:56,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:56,358 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 07:47:56,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 07:47:56,372 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 8 treesize of output 7 [2021-11-25 07:47:56,383 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 8 treesize of output 7 [2021-11-25 07:47:56,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 07:47:56,574 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 7 treesize of output 3 [2021-11-25 07:47:56,581 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 [2021-11-25 07:47:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:47:56,619 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 15 treesize of output 7 [2021-11-25 07:47:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 161 states and 253 transitions. [2021-11-25 07:47:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2021-11-25 07:47:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:47:56,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:56,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:56,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 07:47:56,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:56,768 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 [2021-11-25 07:47:56,793 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 07:47:56,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 07:47:56,800 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 8 treesize of output 7 [2021-11-25 07:47:56,807 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 8 treesize of output 7 [2021-11-25 07:47:56,989 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 15 treesize of output 11 [2021-11-25 07:47:57,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 07:47:57,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-25 07:47:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:47:57,073 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 22 treesize of output 10 [2021-11-25 07:47:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2021-11-25 07:47:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2021-11-25 07:47:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:47:57,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:57,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:57,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:57,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2021-11-25 07:47:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2021-11-25 07:47:57,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:47:57,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:57,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 162 states and 247 transitions. [2021-11-25 07:47:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2021-11-25 07:47:57,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:47:57,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:57,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:57,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:57,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-25 07:47:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-25 07:47:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:47:57,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:57,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:57,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:57,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 162 states and 239 transitions. [2021-11-25 07:47:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2021-11-25 07:47:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:47:57,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:57,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:58,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 237 transitions. [2021-11-25 07:47:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 237 transitions. [2021-11-25 07:47:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:47:58,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:58,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:58,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:47:58,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2021-11-25 07:47:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2021-11-25 07:47:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:47:58,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:58,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:58,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:47:58,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2021-11-25 07:47:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2021-11-25 07:47:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:47:59,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:59,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:59,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:59,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 197 states and 288 transitions. [2021-11-25 07:47:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2021-11-25 07:47:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:47:59,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:59,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:59,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:47:59,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 197 states and 284 transitions. [2021-11-25 07:47:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 284 transitions. [2021-11-25 07:47:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:47:59,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:59,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:59,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:47:59,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:47:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:47:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 200 states and 286 transitions. [2021-11-25 07:47:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 286 transitions. [2021-11-25 07:47:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:47:59,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:59,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:00,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:00,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:48:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 203 states and 288 transitions. [2021-11-25 07:48:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 288 transitions. [2021-11-25 07:48:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:48:00,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:00,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:00,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:48:00,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 203 states and 282 transitions. [2021-11-25 07:48:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 282 transitions. [2021-11-25 07:48:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:48:00,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:00,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:00,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:48:00,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 229 states and 326 transitions. [2021-11-25 07:48:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 326 transitions. [2021-11-25 07:48:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:48:01,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:01,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:02,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:02,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2021-11-25 07:48:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2021-11-25 07:48:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:48:02,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:02,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:02,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:48:02,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 265 states and 385 transitions. [2021-11-25 07:48:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 385 transitions. [2021-11-25 07:48:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:48:03,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:03,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:04,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:04,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 398 transitions. [2021-11-25 07:48:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 398 transitions. [2021-11-25 07:48:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:48:04,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:04,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:05,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:05,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:06,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 288 states and 416 transitions. [2021-11-25 07:48:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2021-11-25 07:48:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:48:06,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:06,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:06,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:48:06,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:48:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 291 states and 418 transitions. [2021-11-25 07:48:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 418 transitions. [2021-11-25 07:48:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:48:06,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:06,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:06,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:48:06,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:48:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 294 states and 420 transitions. [2021-11-25 07:48:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 420 transitions. [2021-11-25 07:48:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:48:06,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:06,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:07,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 07:48:07,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2021-11-25 07:48:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2021-11-25 07:48:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:48:09,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:09,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:09,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 07:48:09,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 324 states and 507 transitions. [2021-11-25 07:48:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 507 transitions. [2021-11-25 07:48:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:48:11,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:11,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:12,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:12,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:48:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 327 states and 509 transitions. [2021-11-25 07:48:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 509 transitions. [2021-11-25 07:48:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:48:12,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:12,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:12,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:12,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 331 states and 518 transitions. [2021-11-25 07:48:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 518 transitions. [2021-11-25 07:48:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:48:13,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:13,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:13,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:13,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 335 states and 528 transitions. [2021-11-25 07:48:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 528 transitions. [2021-11-25 07:48:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:48:13,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:13,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:14,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:48:14,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:48:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 333 states and 524 transitions. [2021-11-25 07:48:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 524 transitions. [2021-11-25 07:48:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:48:14,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:14,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:14,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 07:48:14,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 345 states and 558 transitions. [2021-11-25 07:48:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 558 transitions. [2021-11-25 07:48:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:48:16,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:16,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:16,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:48:16,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 359 states and 597 transitions. [2021-11-25 07:48:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 597 transitions. [2021-11-25 07:48:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:48:19,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:19,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:48:19,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:48:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 377 states and 644 transitions. [2021-11-25 07:48:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 644 transitions. [2021-11-25 07:48:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:48:22,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:22,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:22,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:48:22,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:48:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 386 states and 676 transitions. [2021-11-25 07:48:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 676 transitions. [2021-11-25 07:48:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:48:24,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:24,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:24,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:48:24,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:48:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 392 states and 701 transitions. [2021-11-25 07:48:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 701 transitions. [2021-11-25 07:48:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:48:26,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:26,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:26,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:48:26,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:48:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 395 states and 710 transitions. [2021-11-25 07:48:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 710 transitions. [2021-11-25 07:48:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:48:29,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:29,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:30,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:48:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:48:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 399 states and 721 transitions. [2021-11-25 07:48:32,700 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 721 transitions. [2021-11-25 07:48:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:48:32,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:32,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:32,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:48:32,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 422 states and 803 transitions. [2021-11-25 07:48:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 803 transitions. [2021-11-25 07:48:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:48:39,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:39,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:39,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:48:39,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 426 states and 822 transitions. [2021-11-25 07:48:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 822 transitions. [2021-11-25 07:48:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 07:48:40,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:40,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:40,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 07:48:40,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 07:48:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 428 states and 824 transitions. [2021-11-25 07:48:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 824 transitions. [2021-11-25 07:48:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 07:48:44,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:44,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:44,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 07:48:44,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:48:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:49:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 436 states and 856 transitions. [2021-11-25 07:49:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 856 transitions. [2021-11-25 07:49:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 07:49:00,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:00,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:01,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 07:49:01,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:49:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 438 states and 860 transitions. [2021-11-25 07:49:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 860 transitions. [2021-11-25 07:49:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:49:07,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:07,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:08,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 07:49:08,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:49:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 440 states and 865 transitions. [2021-11-25 07:49:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 865 transitions. [2021-11-25 07:49:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:49:14,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:14,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:15,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:49:15,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:49:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 444 states and 876 transitions. [2021-11-25 07:49:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 876 transitions. [2021-11-25 07:49:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:49:29,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:29,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:31,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:49:31,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:49:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 447 states and 884 transitions. [2021-11-25 07:49:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 884 transitions. [2021-11-25 07:49:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:49:38,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:38,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:38,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:49:38,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:49:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 450 states and 892 transitions. [2021-11-25 07:49:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 892 transitions. [2021-11-25 07:49:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:49:49,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:49,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:50,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:49:50,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:49:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 450 states and 891 transitions. [2021-11-25 07:49:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 891 transitions. [2021-11-25 07:49:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:49:51,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:51,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:52,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:49:52,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:49:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 450 states and 886 transitions. [2021-11-25 07:49:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 886 transitions. [2021-11-25 07:49:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 07:49:54,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:54,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:55,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 07:49:55,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:49:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:50:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 452 states and 891 transitions. [2021-11-25 07:50:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 891 transitions. [2021-11-25 07:50:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 07:50:07,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:07,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:07,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 07:50:07,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:50:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:50:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 451 states and 893 transitions. [2021-11-25 07:50:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 893 transitions. [2021-11-25 07:50:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 07:50:24,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:24,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:24,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 07:50:24,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:50:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:50:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 454 states and 897 transitions. [2021-11-25 07:50:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 897 transitions. [2021-11-25 07:50:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 07:50:44,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:45,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 07:50:45,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:50:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:50:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 456 states and 903 transitions. [2021-11-25 07:50:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 903 transitions. [2021-11-25 07:50:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 07:50:59,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:59,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:00,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:51:00,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:51:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 07:51:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 458 states and 906 transitions. [2021-11-25 07:51:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 906 transitions. [2021-11-25 07:51:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 07:51:17,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:17,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:18,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:51:18,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:51:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 460 states and 913 transitions. [2021-11-25 07:51:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 913 transitions. [2021-11-25 07:51:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 07:51:35,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:35,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:37,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:51:37,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:51:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 462 states and 921 transitions. [2021-11-25 07:51:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 921 transitions. [2021-11-25 07:51:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 07:51:57,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:57,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:58,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:51:58,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:52:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 07:52:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 464 states and 924 transitions. [2021-11-25 07:52:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 924 transitions. [2021-11-25 07:52:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 07:52:07,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:07,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:09,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:52:09,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:52:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 37 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:52:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 466 states and 934 transitions. [2021-11-25 07:52:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 934 transitions. [2021-11-25 07:52:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 07:52:31,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:31,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 07:52:42,153 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) [2021-11-25 07:52:42,155 INFO L158 Benchmark]: Toolchain (without parser) took 289491.56ms. Allocated memory was 104.9MB in the beginning and 536.9MB in the end (delta: 432.0MB). Free memory was 73.8MB in the beginning and 317.3MB in the end (delta: -243.4MB). Peak memory consumption was 190.7MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,155 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:42,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.13ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 86.0MB in the end (delta: -12.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.00ms. Allocated memory is still 146.8MB. Free memory was 86.0MB in the beginning and 78.9MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,157 INFO L158 Benchmark]: Boogie Preprocessor took 143.25ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 71.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,157 INFO L158 Benchmark]: RCFGBuilder took 1846.96ms. Allocated memory is still 146.8MB. Free memory was 71.3MB in the beginning and 107.1MB in the end (delta: -35.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,158 INFO L158 Benchmark]: CodeCheck took 286263.40ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 107.1MB in the beginning and 317.3MB in the end (delta: -210.1MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. [2021-11-25 07:52:42,162 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 0.20ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.13ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 86.0MB in the end (delta: -12.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.00ms. Allocated memory is still 146.8MB. Free memory was 86.0MB in the beginning and 78.9MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.25ms. Allocated memory is still 146.8MB. Free memory was 78.9MB in the beginning and 71.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1846.96ms. Allocated memory is still 146.8MB. Free memory was 71.3MB in the beginning and 107.1MB in the end (delta: -35.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 286263.40ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 107.1MB in the beginning and 317.3MB in the end (delta: -210.1MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:52:42,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aca242a-0dbf-4cdb-ab7c-a4a66b55fe46/bin/ukojak-d1pc8ZmBRL/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