./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4 --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 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:32:01,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:32:01,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:32:01,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:32:01,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:32:01,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:32:01,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:32:01,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:32:01,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:32:01,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:32:01,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:32:01,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:32:01,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:32:01,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:32:01,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:32:01,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:32:01,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:32:01,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:32:01,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:32:01,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:32:01,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:32:01,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:32:01,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:32:01,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:32:01,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:32:01,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:32:01,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:32:01,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:32:01,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:32:01,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:32:01,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:32:01,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:32:01,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:32:01,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:32:01,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:32:01,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:32:01,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:32:01,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:32:01,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:32:01,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:32:01,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:32:01,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-14 20:32:01,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:32:01,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:32:01,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:32:01,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:32:01,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:32:01,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:32:01,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:32:01,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:32:01,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:32:01,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:32:01,231 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:32:01,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:32:01,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:32:01,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:32:01,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:32:01,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:32:01,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:32:01,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:32:01,232 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_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf [2022-12-14 20:32:01,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:32:01,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:32:01,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:32:01,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:32:01,440 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:32:01,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-12-14 20:32:04,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:32:04,264 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:32:04,265 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-12-14 20:32:04,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/data/c0741dfe1/359388b9dd9843f2b15b4e4f20cd566e/FLAGfb508129d [2022-12-14 20:32:04,290 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/data/c0741dfe1/359388b9dd9843f2b15b4e4f20cd566e [2022-12-14 20:32:04,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:32:04,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:32:04,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:32:04,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:32:04,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:32:04,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b5241c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04, skipping insertion in model container [2022-12-14 20:32:04,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:32:04,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:32:04,510 WARN L237 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_8264ead6-74a9-4270-a289-d690ee268fb7/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-12-14 20:32:04,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:32:04,548 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:32:04,579 WARN L237 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_8264ead6-74a9-4270-a289-d690ee268fb7/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-12-14 20:32:04,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:32:04,607 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:32:04,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04 WrapperNode [2022-12-14 20:32:04,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:32:04,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:32:04,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:32:04,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:32:04,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,657 INFO L138 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 359 [2022-12-14 20:32:04,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:32:04,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:32:04,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:32:04,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:32:04,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:32:04,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:32:04,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:32:04,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:32:04,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:04" (1/1) ... [2022-12-14 20:32:04,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:32:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:32:04,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:32:04,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:32:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:32:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:32:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:32:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:32:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:32:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:32:04,866 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:32:04,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:32:05,376 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:32:05,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:32:05,437 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2022-12-14 20:32:05,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:32:05 BoogieIcfgContainer [2022-12-14 20:32:05,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:32:05,441 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:32:05,441 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:32:05,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:32:05,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:32:05" (1/1) ... [2022-12-14 20:32:05,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:32:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 257 states and 313 transitions. [2022-12-14 20:32:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2022-12-14 20:32:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:32:05,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-12-14 20:32:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-12-14 20:32:05,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:32:05,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 255 states and 310 transitions. [2022-12-14 20:32:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2022-12-14 20:32:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:32:05,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:05,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 259 states and 317 transitions. [2022-12-14 20:32:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 317 transitions. [2022-12-14 20:32:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:32:05,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 258 states and 316 transitions. [2022-12-14 20:32:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2022-12-14 20:32:05,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:32:05,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 257 states and 315 transitions. [2022-12-14 20:32:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2022-12-14 20:32:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:32:06,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-12-14 20:32:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-12-14 20:32:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:32:06,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 260 states and 315 transitions. [2022-12-14 20:32:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2022-12-14 20:32:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:32:06,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 259 states and 314 transitions. [2022-12-14 20:32:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 314 transitions. [2022-12-14 20:32:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:32:06,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 258 states and 313 transitions. [2022-12-14 20:32:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2022-12-14 20:32:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:32:06,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-12-14 20:32:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-12-14 20:32:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:32:06,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-12-14 20:32:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-12-14 20:32:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:32:06,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 256 states and 309 transitions. [2022-12-14 20:32:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 309 transitions. [2022-12-14 20:32:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:32:06,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:06,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 254 states and 307 transitions. [2022-12-14 20:32:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions. [2022-12-14 20:32:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:32:07,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:07,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-12-14 20:32:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-12-14 20:32:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:32:07,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:07,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 260 states and 317 transitions. [2022-12-14 20:32:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2022-12-14 20:32:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:32:08,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 258 states and 314 transitions. [2022-12-14 20:32:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2022-12-14 20:32:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:32:08,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-12-14 20:32:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-12-14 20:32:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:32:08,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 256 states and 307 transitions. [2022-12-14 20:32:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2022-12-14 20:32:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:32:08,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 259 states and 312 transitions. [2022-12-14 20:32:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 312 transitions. [2022-12-14 20:32:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:32:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 259 states and 308 transitions. [2022-12-14 20:32:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2022-12-14 20:32:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:32:08,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 260 states and 308 transitions. [2022-12-14 20:32:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 308 transitions. [2022-12-14 20:32:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:32:08,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 262 states and 311 transitions. [2022-12-14 20:32:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2022-12-14 20:32:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:32:08,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:08,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 266 states and 316 transitions. [2022-12-14 20:32:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 316 transitions. [2022-12-14 20:32:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:32:09,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 268 states and 319 transitions. [2022-12-14 20:32:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2022-12-14 20:32:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:32:09,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:09,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 271 states and 322 transitions. [2022-12-14 20:32:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 322 transitions. [2022-12-14 20:32:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:32:09,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:09,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 272 states and 322 transitions. [2022-12-14 20:32:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2022-12-14 20:32:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:32:10,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 273 states and 322 transitions. [2022-12-14 20:32:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 322 transitions. [2022-12-14 20:32:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:32:10,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:10,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 272 states and 319 transitions. [2022-12-14 20:32:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 319 transitions. [2022-12-14 20:32:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:32:10,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2022-12-14 20:32:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2022-12-14 20:32:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:32:10,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:10,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 274 states and 319 transitions. [2022-12-14 20:32:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 319 transitions. [2022-12-14 20:32:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:32:11,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:11,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 277 states and 322 transitions. [2022-12-14 20:32:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 322 transitions. [2022-12-14 20:32:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:32:11,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:11,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 288 states and 336 transitions. [2022-12-14 20:32:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 336 transitions. [2022-12-14 20:32:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:32:14,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:14,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 293 states and 340 transitions. [2022-12-14 20:32:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 340 transitions. [2022-12-14 20:32:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:32:16,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 295 states and 341 transitions. [2022-12-14 20:32:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 341 transitions. [2022-12-14 20:32:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:32:16,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 298 states and 345 transitions. [2022-12-14 20:32:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 345 transitions. [2022-12-14 20:32:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:32:16,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:16,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:32:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 300 states and 346 transitions. [2022-12-14 20:32:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 346 transitions. [2022-12-14 20:32:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:32:17,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:17,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 303 states and 350 transitions. [2022-12-14 20:32:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 350 transitions. [2022-12-14 20:32:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:17,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 317 states and 369 transitions. [2022-12-14 20:32:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions. [2022-12-14 20:32:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:22,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:22,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 331 states and 388 transitions. [2022-12-14 20:32:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 388 transitions. [2022-12-14 20:32:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:32,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 341 states and 400 transitions. [2022-12-14 20:32:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 400 transitions. [2022-12-14 20:32:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:34,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 339 states and 397 transitions. [2022-12-14 20:32:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 397 transitions. [2022-12-14 20:32:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:35,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:35,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 351 states and 413 transitions. [2022-12-14 20:32:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 413 transitions. [2022-12-14 20:32:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:32:44,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:44,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:32:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 361 states and 425 transitions. [2022-12-14 20:32:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 425 transitions. [2022-12-14 20:32:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:32:49,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:49,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:32:49,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:32:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:32:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:32:49,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:32:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:32:49,630 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 44 iterations. [2022-12-14 20:32:49,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:32:49 ImpRootNode [2022-12-14 20:32:49,660 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:32:49,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:32:49,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:32:49,661 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:32:49,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:32:05" (3/4) ... [2022-12-14 20:32:49,663 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:32:49,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:32:49,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:32:49,704 INFO L158 Benchmark]: Toolchain (without parser) took 45411.12ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,704 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 144.7MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:32:49,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.60ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 90.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 144.7MB. Free memory was 90.0MB in the beginning and 87.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,705 INFO L158 Benchmark]: Boogie Preprocessor took 30.72ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 84.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,705 INFO L158 Benchmark]: RCFGBuilder took 751.03ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 89.5MB in the end (delta: -5.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,705 INFO L158 Benchmark]: CodeCheck took 44219.11ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 89.5MB in the beginning and 109.4MB in the end (delta: -19.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,706 INFO L158 Benchmark]: Witness Printer took 42.40ms. Allocated memory is still 251.7MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:32:49,708 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, 257 locations, 131 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6563 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4150 mSDsluCounter, 5631 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4154 mSDsCounter, 3050 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10627 IncrementalHoareTripleChecker+Invalid, 13677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3050 mSolverCounterUnsat, 1477 mSDtfsCounter, 10627 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5755 GetRequests, 5267 SyntacticMatches, 58 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69174 ImplicationChecksByTransitivity, 40.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 3351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 PerfectInterpolantSequences, 64/64 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: 565]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L638] struct list *data = ((void *)0); VAL [data={0:0}] [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); [L641] COND FALSE !(!node) VAL [data={0:0}, node={-2:0}] [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); [L646] COND FALSE !(!item) VAL [data={0:0}, item={-1:0}, node={-2:0}] [L648] item->slist = node VAL [data={0:0}, item={-1:0}, node={-2:0}] [L649] item->next = data [L650] data = item VAL [data={-1:0}, item={-1:0}, node={-2:0}] [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) [L654] CALL inspect_before(data) [L615] COND FALSE !(!(shape)) VAL [shape={-1:0}, shape={-1:0}] [L616] shape->next VAL [shape={-1:0}, shape={-1:0}, shape->next={0:0}] [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) VAL [shape={-1:0}, shape={-1:0}] [L623] EXPR shape->next VAL [shape={-1:0}, shape={-1:0}, shape->next={0:0}] [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist VAL [shape={-1:0}, shape={-1:0}, shape->slist={-2:0}] [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist VAL [shape={-1:0}, shape={-1:0}, shape->slist={-2:0}] [L625] EXPR shape->slist->next VAL [shape={-1:0}, shape={-1:0}, shape->slist={-2:0}, shape->slist->next={-2:0}] [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L625] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 144.7MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.60ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 90.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 144.7MB. Free memory was 90.0MB in the beginning and 87.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.72ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 84.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.03ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 89.5MB in the end (delta: -5.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * CodeCheck took 44219.11ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 89.5MB in the beginning and 109.4MB in the end (delta: -19.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 42.40ms. Allocated memory is still 251.7MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 20:32:49,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8264ead6-74a9-4270-a289-d690ee268fb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)