./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI --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 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:39:31,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:39:31,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:39:31,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:39:31,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:39:31,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:39:31,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:39:31,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:39:31,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:39:31,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:39:31,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:39:31,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:39:31,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:39:31,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:39:31,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:39:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:39:31,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:39:31,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:39:31,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:39:31,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:39:31,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:39:31,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:39:31,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:39:31,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:39:31,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:39:31,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:39:31,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:39:31,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:39:31,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:39:31,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:39:31,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:39:31,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:39:31,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:39:31,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:39:31,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:39:31,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:39:31,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:39:31,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:39:31,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:39:31,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:39:31,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:39:31,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-10-29 03:39:31,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:39:31,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:39:31,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:39:31,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:39:31,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:39:31,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:39:31,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:39:31,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:39:31,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:39:31,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:39:31,337 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:39:31,338 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:39:31,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:39:31,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:39:31,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:39:31,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:39:31,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:39:31,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:39:31,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:39:31,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:39:31,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:39:31,340 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:39:31,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:39:31,341 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_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2021-10-29 03:39:31,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:39:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:39:31,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:39:31,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:39:31,680 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:39:31,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-10-29 03:39:31,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/data/7e8261392/77ffcf3f2d22470fa0653789fd227692/FLAGe32bf8c1e [2021-10-29 03:39:32,458 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:39:32,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-10-29 03:39:32,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/data/7e8261392/77ffcf3f2d22470fa0653789fd227692/FLAGe32bf8c1e [2021-10-29 03:39:32,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/data/7e8261392/77ffcf3f2d22470fa0653789fd227692 [2021-10-29 03:39:32,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:39:32,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:39:32,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:39:32,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:39:32,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:39:32,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:39:32" (1/1) ... [2021-10-29 03:39:32,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f592e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:32, skipping insertion in model container [2021-10-29 03:39:32,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:39:32" (1/1) ... [2021-10-29 03:39:32,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:39:32,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:39:33,207 WARN L228 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_456f4889-08cd-4232-8ecb-d15aa5d23301/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-10-29 03:39:33,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:39:33,252 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:39:33,310 WARN L228 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_456f4889-08cd-4232-8ecb-d15aa5d23301/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-10-29 03:39:33,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:39:33,380 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:39:33,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33 WrapperNode [2021-10-29 03:39:33,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:39:33,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:39:33,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:39:33,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:39:33,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:39:33,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:39:33,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:39:33,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:39:33,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:39:33,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:39:33,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:39:33,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:39:33,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:39:33" (1/1) ... [2021-10-29 03:39:33,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:39:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:39:33,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:39:33,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:39:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:39:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:39:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:39:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:39:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:39:34,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:39:34,694 INFO L299 CfgBuilder]: Removed 178 assume(true) statements. [2021-10-29 03:39:34,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:34 BoogieIcfgContainer [2021-10-29 03:39:34,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:39:34,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:39:34,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:39:34,708 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:39:34,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:34" (1/1) ... [2021-10-29 03:39:34,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:39:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 328 states and 442 transitions. [2021-10-29 03:39:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 442 transitions. [2021-10-29 03:39:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:39:34,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:34,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 327 states and 440 transitions. [2021-10-29 03:39:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 440 transitions. [2021-10-29 03:39:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:39:34,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:34,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 326 states and 439 transitions. [2021-10-29 03:39:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 439 transitions. [2021-10-29 03:39:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:39:35,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:35,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 329 states and 444 transitions. [2021-10-29 03:39:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 444 transitions. [2021-10-29 03:39:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:39:35,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:35,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 332 states and 448 transitions. [2021-10-29 03:39:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 448 transitions. [2021-10-29 03:39:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:39:35,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:35,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 336 states and 455 transitions. [2021-10-29 03:39:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 455 transitions. [2021-10-29 03:39:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:39:36,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:36,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 340 states and 462 transitions. [2021-10-29 03:39:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 462 transitions. [2021-10-29 03:39:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:39:38,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:38,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 342 states and 467 transitions. [2021-10-29 03:39:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 467 transitions. [2021-10-29 03:39:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:39:38,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:38,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 344 states and 472 transitions. [2021-10-29 03:39:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 472 transitions. [2021-10-29 03:39:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:39:40,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:40,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 343 states and 471 transitions. [2021-10-29 03:39:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 471 transitions. [2021-10-29 03:39:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:39:40,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:40,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 344 states and 473 transitions. [2021-10-29 03:39:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 473 transitions. [2021-10-29 03:39:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:39:40,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:40,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 348 states and 481 transitions. [2021-10-29 03:39:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 481 transitions. [2021-10-29 03:39:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:39:42,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:42,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 351 states and 486 transitions. [2021-10-29 03:39:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 486 transitions. [2021-10-29 03:39:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:39:43,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:43,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 356 states and 494 transitions. [2021-10-29 03:39:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 494 transitions. [2021-10-29 03:39:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:39:45,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:45,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 361 states and 505 transitions. [2021-10-29 03:39:47,966 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 505 transitions. [2021-10-29 03:39:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:39:47,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:47,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 360 states and 504 transitions. [2021-10-29 03:39:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 504 transitions. [2021-10-29 03:39:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:39:48,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:48,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 361 states and 506 transitions. [2021-10-29 03:39:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 506 transitions. [2021-10-29 03:39:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:39:48,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:48,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 361 states and 502 transitions. [2021-10-29 03:39:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 502 transitions. [2021-10-29 03:39:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:39:48,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:48,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 375 states and 528 transitions. [2021-10-29 03:39:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 528 transitions. [2021-10-29 03:39:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:39:52,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:52,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 384 states and 545 transitions. [2021-10-29 03:39:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 545 transitions. [2021-10-29 03:39:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:39:56,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:56,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 393 states and 563 transitions. [2021-10-29 03:40:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 563 transitions. [2021-10-29 03:40:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:01,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:01,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 397 states and 568 transitions. [2021-10-29 03:40:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 568 transitions. [2021-10-29 03:40:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:01,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:01,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 401 states and 574 transitions. [2021-10-29 03:40:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 574 transitions. [2021-10-29 03:40:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:03,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:03,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 411 states and 604 transitions. [2021-10-29 03:40:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 604 transitions. [2021-10-29 03:40:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:11,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:11,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 414 states and 609 transitions. [2021-10-29 03:40:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 609 transitions. [2021-10-29 03:40:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:16,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 417 states and 613 transitions. [2021-10-29 03:40:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 613 transitions. [2021-10-29 03:40:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:40:18,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:18,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 418 states and 614 transitions. [2021-10-29 03:40:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 614 transitions. [2021-10-29 03:40:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:40:19,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:19,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 419 states and 615 transitions. [2021-10-29 03:40:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 615 transitions. [2021-10-29 03:40:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:40:20,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:20,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 424 states and 623 transitions. [2021-10-29 03:40:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 623 transitions. [2021-10-29 03:40:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:24,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:24,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 426 states and 624 transitions. [2021-10-29 03:40:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 624 transitions. [2021-10-29 03:40:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:24,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:24,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 429 states and 628 transitions. [2021-10-29 03:40:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 628 transitions. [2021-10-29 03:40:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:27,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:27,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 432 states and 635 transitions. [2021-10-29 03:40:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 635 transitions. [2021-10-29 03:40:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:30,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:30,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:40:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 435 states and 640 transitions. [2021-10-29 03:40:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 640 transitions. [2021-10-29 03:40:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:40:33,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:33,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 436 states and 642 transitions. [2021-10-29 03:40:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 642 transitions. [2021-10-29 03:40:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:40:35,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:35,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 440 states and 657 transitions. [2021-10-29 03:40:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 657 transitions. [2021-10-29 03:40:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:40:39,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 443 states and 663 transitions. [2021-10-29 03:40:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 663 transitions. [2021-10-29 03:40:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:40:41,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:41,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 460 states and 694 transitions. [2021-10-29 03:40:55,630 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 694 transitions. [2021-10-29 03:40:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:40:55,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:55,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 462 states and 697 transitions. [2021-10-29 03:40:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 697 transitions. [2021-10-29 03:40:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:40:56,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:56,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 465 states and 701 transitions. [2021-10-29 03:40:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 701 transitions. [2021-10-29 03:40:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:40:57,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:57,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 465 states and 697 transitions. [2021-10-29 03:40:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 697 transitions. [2021-10-29 03:40:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:40:57,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:57,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 483 states and 729 transitions. [2021-10-29 03:41:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 729 transitions. [2021-10-29 03:41:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:41:15,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:15,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 499 states and 757 transitions. [2021-10-29 03:41:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 757 transitions. [2021-10-29 03:41:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:41:28,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:28,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 519 states and 794 transitions. [2021-10-29 03:41:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 794 transitions. [2021-10-29 03:41:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:41:51,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:51,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:42:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 540 states and 832 transitions. [2021-10-29 03:42:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 832 transitions. [2021-10-29 03:42:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:13,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:13,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:42:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 541 states and 835 transitions. [2021-10-29 03:42:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 835 transitions. [2021-10-29 03:42:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:16,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:16,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:42:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 545 states and 841 transitions. [2021-10-29 03:42:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 841 transitions. [2021-10-29 03:42:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:21,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:21,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:42:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 557 states and 866 transitions. [2021-10-29 03:42:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 866 transitions. [2021-10-29 03:42:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:37,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:37,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:42:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:42,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 560 states and 873 transitions. [2021-10-29 03:42:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 873 transitions. [2021-10-29 03:42:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:42,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:42,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:42:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 563 states and 879 transitions. [2021-10-29 03:42:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 879 transitions. [2021-10-29 03:42:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:42:45,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:45,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:42:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 566 states and 885 transitions. [2021-10-29 03:42:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 885 transitions. [2021-10-29 03:42:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:42:50,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:50,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:42:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 568 states and 886 transitions. [2021-10-29 03:42:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 886 transitions. [2021-10-29 03:42:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:42:51,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:51,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 571 states and 891 transitions. [2021-10-29 03:43:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 891 transitions. [2021-10-29 03:43:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:43:03,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:03,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:43:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 580 states and 916 transitions. [2021-10-29 03:43:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 916 transitions. [2021-10-29 03:43:13,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:43:13,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:13,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 408 states and 538 transitions. [2021-10-29 03:43:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 538 transitions. [2021-10-29 03:43:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:43:23,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:23,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 428 states and 565 transitions. [2021-10-29 03:43:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 565 transitions. [2021-10-29 03:43:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:43:59,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:59,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 428 states and 561 transitions. [2021-10-29 03:43:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 561 transitions. [2021-10-29 03:43:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:43:59,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:59,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 454 states and 594 transitions. [2021-10-29 03:44:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 594 transitions. [2021-10-29 03:44:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:44:38,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:38,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 435 states and 553 transitions. [2021-10-29 03:45:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 553 transitions. [2021-10-29 03:45:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:45:05,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:05,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 440 states and 560 transitions. [2021-10-29 03:45:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 560 transitions. [2021-10-29 03:45:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:45:09,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:09,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 446 states and 568 transitions. [2021-10-29 03:45:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 568 transitions. [2021-10-29 03:45:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:45:38,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:38,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 472 states and 599 transitions. [2021-10-29 03:46:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 599 transitions. [2021-10-29 03:46:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:46:23,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:23,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:47:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 495 states and 633 transitions. [2021-10-29 03:47:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 633 transitions. [2021-10-29 03:47:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:47:33,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:33,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:47:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 499 states and 639 transitions. [2021-10-29 03:47:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 639 transitions. [2021-10-29 03:47:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:47:44,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:44,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:47:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 498 states and 636 transitions. [2021-10-29 03:47:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 636 transitions. [2021-10-29 03:47:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:47:46,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:46,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:47:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 501 states and 640 transitions. [2021-10-29 03:47:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 640 transitions. [2021-10-29 03:47:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:47:54,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:54,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:48:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 523 states and 673 transitions. [2021-10-29 03:48:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 673 transitions. [2021-10-29 03:48:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:48:54,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:54,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 543 states and 697 transitions. [2021-10-29 03:50:08,363 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 697 transitions. [2021-10-29 03:50:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:50:08,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:08,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 547 states and 702 transitions. [2021-10-29 03:50:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 702 transitions. [2021-10-29 03:50:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:50:22,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:22,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:50:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:50:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:50:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 551 states and 707 transitions. [2021-10-29 03:50:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 707 transitions. [2021-10-29 03:50:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:50:36,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:50:36,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:50:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:50:36,188 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:50:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:50:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:50:36,407 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:50:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:50:36,577 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 69 iterations. [2021-10-29 03:50:36,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:50:36 ImpRootNode [2021-10-29 03:50:36,712 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:50:36,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:50:36,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:50:36,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:50:36,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:34" (3/4) ... [2021-10-29 03:50:36,716 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:50:36,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:50:36,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:50:36,821 INFO L168 Benchmark]: Toolchain (without parser) took 664151.75 ms. Allocated memory was 100.7 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 64.8 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 553.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,822 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:50:36,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.41 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 58.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.83 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 54.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,839 INFO L168 Benchmark]: Boogie Preprocessor took 105.28 ms. Allocated memory is still 100.7 MB. Free memory was 54.5 MB in the beginning and 50.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,840 INFO L168 Benchmark]: RCFGBuilder took 1142.80 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 66.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,841 INFO L168 Benchmark]: CodeCheck took 662014.36 ms. Allocated memory was 100.7 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 66.9 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 553.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,842 INFO L168 Benchmark]: Witness Printer took 106.32 ms. Allocated memory is still 3.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:50:36,847 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, 328 locations, 146 error locations. Started 1 CEGAR loops. OverallTime: 661.8s, OverallIterations: 69, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -1005391232 SDtfs, 2007270744 SDslu, 1794632160 SDs, 0 SdLazy, -2124309032 SolverSat, -271740232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13367 GetRequests, 11165 SyntacticMatches, 478 SemanticMatches, 1724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1763781 ImplicationChecksByTransitivity, 646.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 120.4s InterpolantComputationTime, 1515 NumberOfCodeBlocks, 1515 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 1407 ConstructedInterpolants, 0 QuantifiedInterpolants, 23192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 68 InterpolantComputations, 49 PerfectInterpolantSequences, 160/278 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: 840]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L850] struct list_head gl_list = { &(gl_list), &(gl_list) }; [L899] struct node *node = malloc(sizeof *node); [L900] COND FALSE !(!node) VAL [gl_list={2:0}] [L902] node->value = value [L890] head->next [L878] next->prev = new VAL [gl_list={2:0}] [L879] new->next = next VAL [gl_list={2:0}] [L880] new->prev = prev VAL [gl_list={2:0}] [L881] prev->next = new [L904] (&node->nested)->next = (&node->nested) VAL [gl_list={2:0}] [L904] (&node->nested)->next = (&node->nested) VAL [gl_list={2:0}] [L911] COND FALSE !(__VERIFIER_nondet_int()) [L853] COND FALSE !(!(head)) VAL [gl_list={2:0}] [L854] EXPR head->next VAL [gl_list={2:0}] [L854] COND FALSE !(!(head->next != head)) [L855] EXPR head->prev VAL [gl_list={2:0}] [L855] COND FALSE !(!(head->prev != head)) [L856] EXPR head->prev [L856] head = head->prev [L857] COND FALSE !(!(head)) VAL [gl_list={2:0}] [L858] EXPR head->next VAL [gl_list={2:0}] [L858] COND FALSE !(!(head->next != head)) [L859] EXPR head->prev VAL [gl_list={2:0}] [L859] COND FALSE !(!(head->prev != head)) [L860] const struct node *node = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [gl_list={2:0}] [L861] COND FALSE !(!(node)) VAL [gl_list={2:0}] [L862] EXPR node->nested.next VAL [gl_list={2:0}] [L862] COND FALSE !(!(node->nested.next == &node->nested)) [L863] EXPR node->nested.prev VAL [gl_list={2:0}] [L863] COND TRUE !(node->nested.prev == &node->nested) [L840] reach_error() VAL [gl_list={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.41 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 58.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.83 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 54.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.28 ms. Allocated memory is still 100.7 MB. Free memory was 54.5 MB in the beginning and 50.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1142.80 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 66.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * CodeCheck took 662014.36 ms. Allocated memory was 100.7 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 66.9 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 553.0 MB. Max. memory is 16.1 GB. * Witness Printer took 106.32 ms. Allocated memory is still 3.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:50:36,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456f4889-08cd-4232-8ecb-d15aa5d23301/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...