./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-token-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-token-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26e745e5a6378d1005b5b65d8cf35b442871742f5efbed2506d4a18acf4ab9a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:45,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:45,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:45,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:45,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:45,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:45,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:45,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:45,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:45,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:45,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:45,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:45,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:45,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:45,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:45,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:45,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:45,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:45,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:45,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:45,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:45,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:45,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:45,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:45,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:45,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:45,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:45,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:45,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:45,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:45,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:45,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:45,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:45,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:45,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:45,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:45,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:45,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:45,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:45,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:45,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:45,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:45,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:45,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:45,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:45,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:45,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:45,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:45,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:45,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:45,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:45,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:45,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:45,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:45,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:45,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:45,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:45,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:45,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:45,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:45,502 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:45,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:45,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:45,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:45,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:45,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:45,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:45,504 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:45,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:45,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:45,505 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_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26e745e5a6378d1005b5b65d8cf35b442871742f5efbed2506d4a18acf4ab9a5 [2021-11-22 23:18:45,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:45,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:45,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:45,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:45,880 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:45,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-token-1.i [2021-11-22 23:18:46,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/data/cdc183e25/806781ac95a3441d8bc8a9f959f94723/FLAG8227dd145 [2021-11-22 23:18:46,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:46,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i [2021-11-22 23:18:46,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/data/cdc183e25/806781ac95a3441d8bc8a9f959f94723/FLAG8227dd145 [2021-11-22 23:18:47,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/data/cdc183e25/806781ac95a3441d8bc8a9f959f94723 [2021-11-22 23:18:47,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:47,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:47,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:47,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:47,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:47,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf991e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47, skipping insertion in model container [2021-11-22 23:18:47,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:47,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:47,592 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22229,22242] [2021-11-22 23:18:47,612 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22398,22411] [2021-11-22 23:18:47,613 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22489,22502] [2021-11-22 23:18:47,615 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22571,22584] [2021-11-22 23:18:47,617 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22649,22662] [2021-11-22 23:18:47,619 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22795,22808] [2021-11-22 23:18:47,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:47,646 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:47,733 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22229,22242] [2021-11-22 23:18:47,736 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22398,22411] [2021-11-22 23:18:47,737 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22489,22502] [2021-11-22 23:18:47,739 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22571,22584] [2021-11-22 23:18:47,745 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22649,22662] [2021-11-22 23:18:47,748 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_4fd37ed5-8648-4268-b0be-220b9030fa65/sv-benchmarks/c/forester-heap/dll-token-1.i[22795,22808] [2021-11-22 23:18:47,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:47,799 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:47,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47 WrapperNode [2021-11-22 23:18:47,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:47,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:47,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:47,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:47,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,893 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 130 [2021-11-22 23:18:47,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:47,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:47,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:47,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:47,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:47,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:47,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:47,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:47,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:47" (1/1) ... [2021-11-22 23:18:47,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:47,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:47,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:48,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd37ed5-8648-4268-b0be-220b9030fa65/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:18:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:18:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:18:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:18:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:18:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:48,225 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:48,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:48,536 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:48,560 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:48,560 INFO L301 CfgBuilder]: Removed 15 assume(true) statements. [2021-11-22 23:18:48,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:48 BoogieIcfgContainer [2021-11-22 23:18:48,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:48,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:48,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:48,580 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:48,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:48" (1/1) ... [2021-11-22 23:18:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:18:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2021-11-22 23:18:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2021-11-22 23:18:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:18:48,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2021-11-22 23:18:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2021-11-22 23:18:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:18:48,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2021-11-22 23:18:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2021-11-22 23:18:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:18:49,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-22 23:18:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-22 23:18:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:18:49,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2021-11-22 23:18:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-11-22 23:18:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:18:49,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2021-11-22 23:18:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2021-11-22 23:18:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:18:49,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2021-11-22 23:18:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2021-11-22 23:18:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:18:50,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-22 23:18:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-22 23:18:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:18:51,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2021-11-22 23:18:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-22 23:18:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:18:53,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2021-11-22 23:18:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-22 23:18:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:18:55,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-22 23:18:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-22 23:18:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:55,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-22 23:18:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-22 23:18:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:56,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-22 23:18:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-22 23:18:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:59,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2021-11-22 23:19:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2021-11-22 23:19:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-11-22 23:19:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-22 23:19:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:07,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2021-11-22 23:19:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2021-11-22 23:19:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:12,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2021-11-22 23:19:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-22 23:19:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:16,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 102 states and 117 transitions. [2021-11-22 23:19:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2021-11-22 23:19:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:24,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 115 states and 134 transitions. [2021-11-22 23:19:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2021-11-22 23:19:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:19:32,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 123 states and 144 transitions. [2021-11-22 23:19:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2021-11-22 23:19:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:19:43,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 127 states and 146 transitions. [2021-11-22 23:20:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2021-11-22 23:20:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:20:01,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 8 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:16,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 140 states and 163 transitions. [2021-11-22 23:20:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2021-11-22 23:20:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:20:16,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:16,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 148 states and 173 transitions. [2021-11-22 23:20:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2021-11-22 23:20:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:20:30,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 152 states and 175 transitions. [2021-11-22 23:20:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 175 transitions. [2021-11-22 23:20:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:20:50,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 165 states and 192 transitions. [2021-11-22 23:21:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 192 transitions. [2021-11-22 23:21:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:21:13,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 173 states and 202 transitions. [2021-11-22 23:21:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 202 transitions. [2021-11-22 23:21:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:21:35,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 177 states and 204 transitions. [2021-11-22 23:22:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2021-11-22 23:22:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:22:03,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:03,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 190 states and 221 transitions. [2021-11-22 23:22:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 221 transitions. [2021-11-22 23:22:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:22:31,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:31,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 198 states and 231 transitions. [2021-11-22 23:23:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 231 transitions. [2021-11-22 23:23:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:23:01,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 202 states and 233 transitions. [2021-11-22 23:23:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 233 transitions. [2021-11-22 23:23:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:23:47,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:47,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 14 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 215 states and 250 transitions. [2021-11-22 23:24:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 250 transitions. [2021-11-22 23:24:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:24:31,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:31,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 34 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 223 states and 260 transitions. [2021-11-22 23:25:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 260 transitions. [2021-11-22 23:25:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:12,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 227 states and 262 transitions. [2021-11-22 23:26:04,006 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 262 transitions. [2021-11-22 23:26:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:26:04,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:04,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 16 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 240 states and 279 transitions. [2021-11-22 23:26:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 279 transitions. [2021-11-22 23:26:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:26:48,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 20 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 248 states and 289 transitions. [2021-11-22 23:27:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 289 transitions. [2021-11-22 23:27:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:27:24,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:24,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 252 states and 291 transitions. [2021-11-22 23:28:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 291 transitions. [2021-11-22 23:28:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:28:26,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:26,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 18 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 265 states and 308 transitions. [2021-11-22 23:29:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 308 transitions. [2021-11-22 23:29:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:29:19,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:19,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 12 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 273 states and 318 transitions. [2021-11-22 23:30:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 318 transitions. [2021-11-22 23:30:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:30:04,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:04,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.