./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c5050f69dd0fe75249366946a38ba884fb5943ccf611397d2d01e0ccda347b5 --- 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-dbf71c6-m [2022-10-17 17:02:39,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:39,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:39,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:39,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:39,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:39,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:39,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:39,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:39,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:39,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:39,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:39,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:39,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:39,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:39,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:39,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:39,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:39,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:39,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:39,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:39,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:39,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:39,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:39,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:39,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:39,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:39,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:39,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:39,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:39,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:39,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:39,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:39,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:39,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:39,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:39,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:39,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:39,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:39,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:39,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:39,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:02:39,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:39,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:39,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:39,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:39,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:39,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:39,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:39,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:39,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:39,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:39,648 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:02:39,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:02:39,649 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:02:39,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:39,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:39,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:39,650 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:39,650 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:39,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:39,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:39,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:39,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:39,652 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:39,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:39,652 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_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c5050f69dd0fe75249366946a38ba884fb5943ccf611397d2d01e0ccda347b5 [2022-10-17 17:02:39,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:39,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:39,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:39,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:39,987 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:39,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2022-10-17 17:02:40,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/data/80595889a/d2d370d34cb94df48da21416643cc6d1/FLAG136a80636 [2022-10-17 17:02:40,590 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:40,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2022-10-17 17:02:40,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/data/80595889a/d2d370d34cb94df48da21416643cc6d1/FLAG136a80636 [2022-10-17 17:02:40,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/data/80595889a/d2d370d34cb94df48da21416643cc6d1 [2022-10-17 17:02:40,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:40,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:40,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:40,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:40,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:40,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3652283e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40, skipping insertion in model container [2022-10-17 17:02:40,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:40,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:41,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:41,187 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:41,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:41,214 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:41,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41 WrapperNode [2022-10-17 17:02:41,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:41,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:41,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:41,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:41,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,247 INFO L138 Inliner]: procedures = 9, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-10-17 17:02:41,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:41,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:41,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:41,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:41,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:41,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:41,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:41,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:41,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:41,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:41,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:41,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:02:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:41,424 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:41,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:41,553 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:41,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:41,572 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:41,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:41 BoogieIcfgContainer [2022-10-17 17:02:41,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:41,579 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:41,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:41,590 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:41,590 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:41" (1/1) ... [2022-10-17 17:02:41,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2022-10-17 17:02:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-10-17 17:02:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:41,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-10-17 17:02:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-10-17 17:02:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:41,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-10-17 17:02:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 17:02:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:42,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 17:02:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 17:02:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:42,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 17:02:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 17:02:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:42,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-10-17 17:02:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-10-17 17:02:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:42,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-10-17 17:02:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-10-17 17:02:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:43,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2022-10-17 17:02:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2022-10-17 17:02:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:43,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2022-10-17 17:02:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2022-10-17 17:02:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:44,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:02:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2022-10-17 17:02:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2022-10-17 17:02:44,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:44,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:02:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-10-17 17:02:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-10-17 17:02:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:45,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2022-10-17 17:02:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-10-17 17:02:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:46,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2022-10-17 17:02:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2022-10-17 17:02:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:46,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2022-10-17 17:02:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2022-10-17 17:02:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:46,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:48,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2022-10-17 17:02:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2022-10-17 17:02:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:48,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:02:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2022-10-17 17:02:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2022-10-17 17:02:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:48,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:02:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2022-10-17 17:02:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2022-10-17 17:02:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:49,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:02:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 98 transitions. [2022-10-17 17:02:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2022-10-17 17:02:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:49,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 64 states and 115 transitions. [2022-10-17 17:02:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 115 transitions. [2022-10-17 17:02:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:50,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:50,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 131 transitions. [2022-10-17 17:02:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2022-10-17 17:02:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:51,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:02:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 134 transitions. [2022-10-17 17:02:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2022-10-17 17:02:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:52,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 71 states and 134 transitions. [2022-10-17 17:02:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2022-10-17 17:02:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:52,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:02:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 137 transitions. [2022-10-17 17:02:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2022-10-17 17:02:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:53,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:02:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 139 transitions. [2022-10-17 17:02:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-10-17 17:02:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:53,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:02:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 140 transitions. [2022-10-17 17:02:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2022-10-17 17:02:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:53,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2022-10-17 17:02:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2022-10-17 17:02:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:54,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2022-10-17 17:02:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2022-10-17 17:02:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:55,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 164 transitions. [2022-10-17 17:02:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2022-10-17 17:02:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:55,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2022-10-17 17:02:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2022-10-17 17:02:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:02:58,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:02:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 95 states and 172 transitions. [2022-10-17 17:02:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 172 transitions. [2022-10-17 17:02:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:58,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 99 states and 193 transitions. [2022-10-17 17:02:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2022-10-17 17:02:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:59,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:02:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 101 states and 196 transitions. [2022-10-17 17:02:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2022-10-17 17:02:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:59,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 45 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 104 states and 199 transitions. [2022-10-17 17:03:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 199 transitions. [2022-10-17 17:03:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:03:01,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-17 17:03:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 106 states and 200 transitions. [2022-10-17 17:03:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 200 transitions. [2022-10-17 17:03:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:03:01,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 110 states and 218 transitions. [2022-10-17 17:03:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 218 transitions. [2022-10-17 17:03:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:02,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:02,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:02,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:02,368 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 35 iterations. [2022-10-17 17:03:02,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:03:02 ImpRootNode [2022-10-17 17:03:02,447 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:03:02,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:03:02,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:03:02,448 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:03:02,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:41" (3/4) ... [2022-10-17 17:03:02,462 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:03:02,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:03:02,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:03:02,541 INFO L158 Benchmark]: Toolchain (without parser) took 21577.53ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 53.1MB in the beginning and 152.2MB in the end (delta: -99.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,552 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:03:02,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.82ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 69.3MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.30ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 67.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,554 INFO L158 Benchmark]: Boogie Preprocessor took 22.50ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,555 INFO L158 Benchmark]: RCFGBuilder took 304.89ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,556 INFO L158 Benchmark]: CodeCheck took 20867.57ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 56.1MB in the beginning and 154.3MB in the end (delta: -98.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,558 INFO L158 Benchmark]: Witness Printer took 92.90ms. Allocated memory is still 234.9MB. Free memory was 154.3MB in the beginning and 152.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:02,562 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4302 SdHoareTripleChecker+Valid, 22.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4016 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 17.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 1742 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12750 IncrementalHoareTripleChecker+Invalid, 14492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1742 mSolverCounterUnsat, 96 mSDtfsCounter, 12750 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4181 GetRequests, 3804 SyntacticMatches, 83 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45419 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 509 NumberOfCodeBlocks, 509 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 2632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 20 PerfectInterpolantSequences, 378/619 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L6] int* p = malloc(10 * sizeof(int)); [L8] int i = 0; VAL [i=0, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=0, p={-1:0}] [L9] p[i] = 1 VAL [i=0, p={-1:0}] [L10] COND FALSE !(i == 5) VAL [i=0, p={-1:0}] [L8] i++ VAL [i=1, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=1, p={-1:0}] [L9] p[i] = 1 VAL [i=1, p={-1:0}] [L10] COND FALSE !(i == 5) VAL [i=1, p={-1:0}] [L8] i++ VAL [i=2, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=2, p={-1:0}] [L9] p[i] = 1 VAL [i=2, p={-1:0}] [L10] COND FALSE !(i == 5) VAL [i=2, p={-1:0}] [L8] i++ VAL [i=3, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=3, p={-1:0}] [L9] p[i] = 1 VAL [i=3, p={-1:0}] [L10] COND FALSE !(i == 5) VAL [i=3, p={-1:0}] [L8] i++ VAL [i=4, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=4, p={-1:0}] [L9] p[i] = 1 VAL [i=4, p={-1:0}] [L10] COND FALSE !(i == 5) VAL [i=4, p={-1:0}] [L8] i++ VAL [i=5, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=5, p={-1:0}] [L9] p[i] = 1 VAL [i=5, p={-1:0}] [L10] COND TRUE i == 5 VAL [i=5, p={-1:0}] [L11] free(p) VAL [i=5, p={-1:0}] [L11] free(p) VAL [i=5, p={-1:0}] [L11] free(p) [L8] i++ VAL [i=6, p={-1:0}] [L8] COND TRUE i < 10 VAL [i=6, p={-1:0}] [L9] p[i] = 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.82ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 69.3MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.30ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 67.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.50ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 66.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.89ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20867.57ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 56.1MB in the beginning and 154.3MB in the end (delta: -98.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 92.90ms. Allocated memory is still 234.9MB. Free memory was 154.3MB in the beginning and 152.2MB 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! [2022-10-17 17:03:02,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e98d7307-ef57-489d-8d69-69ba7f4b49f0/bin/ukojak-92XMlrwhuB/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-deref)