./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2971ec3e9ef2eef1d2151174358645d6ce0c6d4fe66ae89c00ded0f196979d8a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:06,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:06,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:30:06,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:06,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:06,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:06,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:06,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:06,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:06,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:06,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:06,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:06,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:06,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:06,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:06,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:06,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:06,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:06,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:06,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:06,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:06,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:06,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:06,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:06,644 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:06,644 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:06,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:06,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:06,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:06,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:06,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:06,650 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:06,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:06,651 INFO L153 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_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2971ec3e9ef2eef1d2151174358645d6ce0c6d4fe66ae89c00ded0f196979d8a [2024-11-09 00:30:06,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:06,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:06,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:06,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:06,963 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:06,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i Unable to find full path for "g++" [2024-11-09 00:30:09,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:09,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:09,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i [2024-11-09 00:30:09,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/data/30e19920f/57561d729eeb4fca91d5564298db1752/FLAG8ca5dfe7d [2024-11-09 00:30:09,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/data/30e19920f/57561d729eeb4fca91d5564298db1752 [2024-11-09 00:30:09,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:09,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:09,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:09,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:09,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:09,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:09,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174573ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09, skipping insertion in model container [2024-11-09 00:30:09,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:09,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:09,849 WARN L250 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_2e5467c3-356e-4914-bd20-bca388476bb1/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i[24291,24304] [2024-11-09 00:30:09,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:09,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:09,912 WARN L250 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_2e5467c3-356e-4914-bd20-bca388476bb1/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i[24291,24304] [2024-11-09 00:30:09,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:09,944 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:09,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09 WrapperNode [2024-11-09 00:30:09,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:09,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:09,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:09,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:09,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:09,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:09,992 INFO L138 Inliner]: procedures = 122, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 196 [2024-11-09 00:30:09,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:09,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:09,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:09,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:10,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:10,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:10,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:10,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:10,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:09" (1/1) ... [2024-11-09 00:30:10,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:10,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:10,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:10,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-09 00:30:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-09 00:30:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:30:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:30:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:30:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:30:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:30:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:30:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:30:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:10,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:10,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:10,274 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-09 00:30:10,682 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:10,682 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:10,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:10,827 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 00:30:10,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:10 BoogieIcfgContainer [2024-11-09 00:30:10,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:10,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:10,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:10,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:10,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:10" (1/1) ... [2024-11-09 00:30:10,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-11-09 00:30:10,912 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-09 00:30:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:30:10,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-11-09 00:30:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-11-09 00:30:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:30:11,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2024-11-09 00:30:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-11-09 00:30:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:30:11,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2024-11-09 00:30:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2024-11-09 00:30:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:30:11,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-11-09 00:30:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-11-09 00:30:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:30:12,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-09 00:30:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-09 00:30:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:30:12,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:30:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-11-09 00:30:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-09 00:30:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:30:12,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:30:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:30:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:30:12,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2024-11-09 00:30:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2024-11-09 00:30:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:30:13,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:13,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2024-11-09 00:30:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2024-11-09 00:30:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:30:13,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:13,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-09 00:30:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-09 00:30:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:30:14,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2024-11-09 00:30:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-11-09 00:30:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:30:16,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:16,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2024-11-09 00:30:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2024-11-09 00:30:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:30:19,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 104 states and 164 transitions. [2024-11-09 00:30:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2024-11-09 00:30:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:30:21,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 110 states and 179 transitions. [2024-11-09 00:30:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 179 transitions. [2024-11-09 00:30:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:30:24,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2024-11-09 00:30:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2024-11-09 00:30:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:30:26,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:26,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:30:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 120 states and 206 transitions. [2024-11-09 00:30:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2024-11-09 00:30:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:30:27,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 129 states and 229 transitions. [2024-11-09 00:30:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2024-11-09 00:30:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:30:33,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:33,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:33,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:33,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:34,130 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2024-11-09 00:30:34,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:30:34 ImpRootNode [2024-11-09 00:30:34,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:30:34,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:30:34,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:30:34,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:30:34,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:10" (3/4) ... [2024-11-09 00:30:34,184 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:30:34,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:30:34,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:30:34,260 INFO L158 Benchmark]: Toolchain (without parser) took 24853.03ms. Allocated memory was 153.1MB in the beginning and 373.3MB in the end (delta: 220.2MB). Free memory was 112.4MB in the beginning and 210.7MB in the end (delta: -98.2MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,260 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:34,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.92ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 91.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.57ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 89.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,261 INFO L158 Benchmark]: Boogie Preprocessor took 36.09ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,262 INFO L158 Benchmark]: RCFGBuilder took 797.86ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 87.3MB in the beginning and 168.2MB in the end (delta: -80.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,262 INFO L158 Benchmark]: CodeCheck took 23352.90ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 167.2MB in the beginning and 213.8MB in the end (delta: -46.6MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,263 INFO L158 Benchmark]: Witness Printer took 77.58ms. Allocated memory is still 373.3MB. Free memory was 213.8MB in the beginning and 210.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:30:34,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2328 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1024 mSDsluCounter, 1745 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 963 mSDsCounter, 642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3046 IncrementalHoareTripleChecker+Invalid, 3688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 642 mSolverCounterUnsat, 782 mSDtfsCounter, 3046 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3719 GetRequests, 3468 SyntacticMatches, 55 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16363 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 2601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 17/62 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: 620]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L552] struct TreeNode* root = malloc(sizeof(*root)), *n; [L552] struct TreeNode* root = malloc(sizeof(*root)), *n; [L553] root->left = ((void *)0) [L554] root->right = ((void *)0) VAL [root={35255:0}] [L555] COND FALSE !(__VERIFIER_nondet_int()) [L574] n = ((void *)0) [L575] struct TreeNode* pred; VAL [root={35255:0}] [L576] COND FALSE !(\read(*root)) VAL [root={35255:0}] [L576] COND TRUE \read(*root) [L577] pred = ((void *)0) [L578] n = root VAL [n={35255:0}, pred={0:0}, root={35255:0}] [L579] EXPR n->left [L579] n->left || n->right [L579] EXPR n->right [L579] n->left || n->right VAL [n={35255:0}, pred={0:0}, root={35255:0}] [L579] COND FALSE !(n->left || n->right) [L586] COND FALSE !(\read(*pred)) [L592] root = ((void *)0) [L576] COND TRUE \read(*root) [L595] List a = (List) malloc(sizeof(struct node)); [L596] COND FALSE !(a == 0) VAL [a={-1:0}] [L597] List t; [L598] List p = a; VAL [a={-1:0}, p={-1:0}] [L599] COND TRUE __VERIFIER_nondet_int() [L600] p->h = 1 [L601] t = (List) malloc(sizeof(struct node)) [L602] COND FALSE !(t == 0) VAL [a={-1:0}, p={-1:0}, t={35254:0}] [L603] p->n = t [L604] EXPR p->n [L604] p = p->n [L599] COND FALSE !(__VERIFIER_nondet_int()) [L606] COND TRUE __VERIFIER_nondet_int() [L607] p->h = 2 [L608] t = (List) malloc(sizeof(struct node)) [L609] COND FALSE !(t == 0) VAL [a={-1:0}, p={35254:0}, t={-2:0}] [L610] p->n = t [L611] EXPR p->n [L611] p = p->n [L606] COND FALSE !(__VERIFIER_nondet_int()) [L613] p->h = 3 [L614] p = a VAL [p={-1:0}] [L615] EXPR p->h VAL [p={-1:0}] [L615] COND FALSE !(p->h == 2) [L617] EXPR p->h VAL [p={-1:0}] [L617] COND TRUE p->h == 1 [L618] EXPR p->n [L618] p = p->n VAL [p={35254:0}] [L617] EXPR p->h VAL [p={35254:0}] [L617] COND FALSE !(p->h == 1) [L619] EXPR p->h [L619] COND TRUE p->h != 3 [L620] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.92ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 91.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.57ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 89.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.09ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.86ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 87.3MB in the beginning and 168.2MB in the end (delta: -80.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * CodeCheck took 23352.90ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 167.2MB in the beginning and 213.8MB in the end (delta: -46.6MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. * Witness Printer took 77.58ms. Allocated memory is still 373.3MB. Free memory was 213.8MB in the beginning and 210.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:30:34,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5467c3-356e-4914-bd20-bca388476bb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE