./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/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_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:40,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:40,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:40,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:40,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:40,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:40,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:40,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:40,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:40,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:40,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:40,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:40,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:40,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:40,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:40,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:40,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:40,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:40,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:40,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:40,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:40,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:40,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:40,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:40,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:40,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:40,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:40,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:40,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:40,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:40,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:40,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:40,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:40,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:40,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:40,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:40,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:40,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:40,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:40,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:40,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:40,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 01:20:40,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:40,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:40,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:40,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:40,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:40,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:40,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:20:40,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:40,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:40,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:40,338 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:20:40,339 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:20:40,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:40,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:40,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:40,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:40,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:40,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:40,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:40,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:40,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:40,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:40,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:40,341 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_2cf1037f-e725-486f-bafc-df4a04d13c82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2021-11-23 01:20:40,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:40,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:40,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:40,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:40,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:40,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2021-11-23 01:20:40,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/data/dc2164a99/4340b69fa48d4186816a56b35ccb35ad/FLAGaeb2b471a [2021-11-23 01:20:41,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:41,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2021-11-23 01:20:41,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/data/dc2164a99/4340b69fa48d4186816a56b35ccb35ad/FLAGaeb2b471a [2021-11-23 01:20:41,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/data/dc2164a99/4340b69fa48d4186816a56b35ccb35ad [2021-11-23 01:20:41,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:41,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:41,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:41,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:41,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:41,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:41" (1/1) ... [2021-11-23 01:20:41,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5884d179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:41, skipping insertion in model container [2021-11-23 01:20:41,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:41" (1/1) ... [2021-11-23 01:20:41,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:41,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:42,261 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_2cf1037f-e725-486f-bafc-df4a04d13c82/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2021-11-23 01:20:42,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:42,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:20:42,381 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_2cf1037f-e725-486f-bafc-df4a04d13c82/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2021-11-23 01:20:42,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:42,431 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:20:42,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42 WrapperNode [2021-11-23 01:20:42,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:42,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:42,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:20:42,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:20:42,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,507 INFO L137 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 206 [2021-11-23 01:20:42,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:42,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:20:42,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:20:42,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:20:42,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:20:42,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:20:42,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:20:42,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:20:42,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:42" (1/1) ... [2021-11-23 01:20:42,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:20:42,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:20:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:20:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:20:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:20:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:20:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:20:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:20:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:20:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:20:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:20:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:20:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:20:42,797 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:20:42,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:20:43,265 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:20:43,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:20:43,337 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 01:20:43,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:43 BoogieIcfgContainer [2021-11-23 01:20:43,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:20:43,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:20:43,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:20:43,354 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:20:43,355 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:20:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-11-23 01:20:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-23 01:20:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:20:43,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2021-11-23 01:20:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2021-11-23 01:20:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:43,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2021-11-23 01:20:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2021-11-23 01:20:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:43,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2021-11-23 01:20:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2021-11-23 01:20:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:20:44,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2021-11-23 01:20:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2021-11-23 01:20:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:44,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2021-11-23 01:20:44,208 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2021-11-23 01:20:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:44,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2021-11-23 01:20:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-11-23 01:20:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:44,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2021-11-23 01:20:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2021-11-23 01:20:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:45,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2021-11-23 01:20:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2021-11-23 01:20:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:45,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 85 states and 107 transitions. [2021-11-23 01:20:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2021-11-23 01:20:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:46,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:20:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 95 transitions. [2021-11-23 01:20:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2021-11-23 01:20:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:46,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2021-11-23 01:20:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2021-11-23 01:20:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:20:49,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:49,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 85 states and 110 transitions. [2021-11-23 01:20:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2021-11-23 01:20:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:20:50,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2021-11-23 01:20:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2021-11-23 01:20:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:52,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 94 states and 128 transitions. [2021-11-23 01:20:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2021-11-23 01:20:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:55,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:55,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:20:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 94 states and 127 transitions. [2021-11-23 01:20:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2021-11-23 01:20:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:20:55,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:55,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 99 states and 137 transitions. [2021-11-23 01:21:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2021-11-23 01:21:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:21:00,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:00,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2021-11-23 01:21:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2021-11-23 01:21:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:21:05,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:21:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 109 states and 154 transitions. [2021-11-23 01:21:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2021-11-23 01:21:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:21:08,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:08,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 116 states and 166 transitions. [2021-11-23 01:21:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2021-11-23 01:21:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:21:18,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 138 states and 204 transitions. [2021-11-23 01:21:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 204 transitions. [2021-11-23 01:21:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:21:38,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2021-11-23 01:21:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2021-11-23 01:21:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:21:40,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:40,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2021-11-23 01:21:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2021-11-23 01:21:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:21:45,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:45,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2021-11-23 01:21:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2021-11-23 01:21:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:48,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:22:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 174 states and 271 transitions. [2021-11-23 01:22:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 271 transitions. [2021-11-23 01:22:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:15,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:15,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 181 states and 291 transitions. [2021-11-23 01:22:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 291 transitions. [2021-11-23 01:22:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:20,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:22:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 184 states and 301 transitions. [2021-11-23 01:22:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 301 transitions. [2021-11-23 01:22:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:24,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:24,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 191 states and 323 transitions. [2021-11-23 01:22:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 323 transitions. [2021-11-23 01:22:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:33,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:33,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:22:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 194 states and 331 transitions. [2021-11-23 01:22:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 331 transitions. [2021-11-23 01:22:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:37,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:37,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 196 states and 334 transitions. [2021-11-23 01:22:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 334 transitions. [2021-11-23 01:22:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:40,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 199 states and 338 transitions. [2021-11-23 01:22:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 338 transitions. [2021-11-23 01:22:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:43,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 202 states and 345 transitions. [2021-11-23 01:22:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 345 transitions. [2021-11-23 01:22:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:47,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 203 states and 346 transitions. [2021-11-23 01:22:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 346 transitions. [2021-11-23 01:22:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:48,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 205 states and 350 transitions. [2021-11-23 01:22:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 350 transitions. [2021-11-23 01:22:51,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:51,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:22:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 206 states and 352 transitions. [2021-11-23 01:22:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 352 transitions. [2021-11-23 01:22:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:52,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:52,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 204 states and 349 transitions. [2021-11-23 01:22:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 349 transitions. [2021-11-23 01:22:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:22:56,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 208 states and 355 transitions. [2021-11-23 01:22:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 355 transitions. [2021-11-23 01:22:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:22:59,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:59,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 208 states and 354 transitions. [2021-11-23 01:23:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 354 transitions. [2021-11-23 01:23:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:00,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:23:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 217 states and 376 transitions. [2021-11-23 01:23:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 376 transitions. [2021-11-23 01:23:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:11,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:11,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:23:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 225 states and 398 transitions. [2021-11-23 01:23:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 398 transitions. [2021-11-23 01:23:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:28,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:23:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 228 states and 403 transitions. [2021-11-23 01:23:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 403 transitions. [2021-11-23 01:23:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:33,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:23:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 237 states and 427 transitions. [2021-11-23 01:23:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 427 transitions. [2021-11-23 01:23:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:51,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:23:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 240 states and 433 transitions. [2021-11-23 01:23:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 433 transitions. [2021-11-23 01:23:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:55,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:24:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 246 states and 444 transitions. [2021-11-23 01:24:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 444 transitions. [2021-11-23 01:24:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:06,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:24:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 249 states and 448 transitions. [2021-11-23 01:24:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 448 transitions. [2021-11-23 01:24:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:12,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:24:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 252 states and 455 transitions. [2021-11-23 01:24:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 455 transitions. [2021-11-23 01:24:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:18,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:18,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:24:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 253 states and 457 transitions. [2021-11-23 01:24:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 457 transitions. [2021-11-23 01:24:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:20,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:20,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:24:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 255 states and 459 transitions. [2021-11-23 01:24:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 459 transitions. [2021-11-23 01:24:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:24,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:24:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 256 states and 462 transitions. [2021-11-23 01:24:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 462 transitions. [2021-11-23 01:24:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:26,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:24:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 259 states and 468 transitions. [2021-11-23 01:24:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 468 transitions. [2021-11-23 01:24:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:29,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:24:29,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:24:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:24:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:24:29,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:24:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:24:30,112 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2021-11-23 01:24:30,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:24:30 ImpRootNode [2021-11-23 01:24:30,186 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:24:30,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:24:30,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:24:30,187 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:24:30,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:43" (3/4) ... [2021-11-23 01:24:30,190 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:24:30,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:24:30,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:24:30,366 INFO L158 Benchmark]: Toolchain (without parser) took 228611.13ms. Allocated memory was 86.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 47.0MB in the beginning and 1.0GB in the end (delta: -994.2MB). Peak memory consumption was 487.9MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,367 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 86.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:30,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.17ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 80.1MB in the end (delta: -33.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.92ms. Allocated memory is still 113.2MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,369 INFO L158 Benchmark]: Boogie Preprocessor took 76.29ms. Allocated memory is still 113.2MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:30,370 INFO L158 Benchmark]: RCFGBuilder took 745.37ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 53.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,371 INFO L158 Benchmark]: CodeCheck took 226844.66ms. Allocated memory was 113.2MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 53.9MB in the beginning and 1.0GB in the end (delta: -991.6MB). Peak memory consumption was 464.9MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,371 INFO L158 Benchmark]: Witness Printer took 178.58ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 67 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 226.7s, OverallIterations: 50, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12453 SdHoareTripleChecker+Valid, 73.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9124 mSDsluCounter, 7486 SdHoareTripleChecker+Invalid, 62.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8468 mSDsCounter, 11531 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43967 IncrementalHoareTripleChecker+Invalid, 55498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11531 mSolverCounterUnsat, 2220 mSDtfsCounter, 43967 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10582 GetRequests, 9499 SyntacticMatches, 177 SemanticMatches, 906 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341753 ImplicationChecksByTransitivity, 219.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 8061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 29 PerfectInterpolantSequences, 348/452 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 641]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] CALL, EXPR _get_nondet_int(2, 5) [L620] int len = from; VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, __VERIFIER_nondet_int()=0, from=2, len=2, len < until && __VERIFIER_nondet_int()=0, until=5] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] RET, EXPR _get_nondet_int(2, 5) [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L628] CALL, EXPR sll_create(len) [L575] SLL head = ((void *)0); VAL [\old(len)=2, head={0:0}, len=2] [L576] EXPR len-- VAL [\old(len)=2, head={0:0}, len=1, len--=2] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={0:0}, len=1, new_head={-2:0}] [L581] new_head->next = head [L582] head = new_head VAL [\old(len)=2, head={-2:0}, len=1, new_head={-2:0}] [L576] EXPR len-- VAL [\old(len)=2, head={-2:0}, len=0, len--=1, new_head={-2:0}] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={-2:0}, len=0, new_head={-1:0}] [L581] new_head->next = head [L582] head = new_head VAL [\old(len)=2, head={-1:0}, len=0, new_head={-1:0}] [L576] EXPR len-- VAL [\old(len)=2, head={-1:0}, len=-1, len--=0, new_head={-1:0}] [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] RET, EXPR sll_create(len) [L628] SLL s = sll_create(len); [L629] CALL, EXPR _get_nondet_int(0, len - 1) [L620] int len = from; VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=-1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=0, from=0, len=1, len < until && __VERIFIER_nondet_int()=0, until=1] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] RET, EXPR _get_nondet_int(0, len - 1) [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; VAL [i=0, k=1, len=2, s={29945:0}] [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, i=0, i < k && __VERIFIER_nondet_int()=0, k=1, len=2, s={29945:0}] [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L636] CALL, EXPR sll_length(s) [L587] int len = 0; VAL [head={-1:0}, head={-1:0}, len=0] [L588] COND TRUE \read(head) [L589] len++ VAL [head={-1:0}, head={-1:0}, len=1] [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ VAL [head={-2:0}, head={-1:0}, len=2] [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] RET, EXPR sll_length(s) [L636] COND TRUE k + len != sll_length(s) [L641] reach_error() VAL [i=0, k=1, len=2, s={29945:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 86.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.17ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 80.1MB in the end (delta: -33.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.92ms. Allocated memory is still 113.2MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.29ms. Allocated memory is still 113.2MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 745.37ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 53.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 226844.66ms. Allocated memory was 113.2MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 53.9MB in the beginning and 1.0GB in the end (delta: -991.6MB). Peak memory consumption was 464.9MB. Max. memory is 16.1GB. * Witness Printer took 178.58ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:24:30,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf1037f-e725-486f-bafc-df4a04d13c82/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)