./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/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_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:38:07,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:38:08,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:38:08,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:38:08,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:38:08,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:38:08,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:38:08,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:38:08,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:38:08,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:38:08,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:38:08,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:38:08,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:38:08,063 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:38:08,064 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:38:08,064 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:38:08,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:38:08,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:38:08,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:38:08,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:38:08,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:38:08,068 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:38:08,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:38:08,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:38:08,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:38:08,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:08,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:38:08,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:38:08,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:38:08,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:38:08,075 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_faffaa7a-ae33-4551-8b27-d0b994de3b54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2024-11-08 22:38:08,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:38:08,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:38:08,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:38:08,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:38:08,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:38:08,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i Unable to find full path for "g++" [2024-11-08 22:38:10,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:38:10,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:38:10,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-11-08 22:38:10,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/5d4042a8c/41dedef44fa145e9bd0b5537dc536a30/FLAG0814034ef [2024-11-08 22:38:11,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/5d4042a8c/41dedef44fa145e9bd0b5537dc536a30 [2024-11-08 22:38:11,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:38:11,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:38:11,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:11,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:38:11,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:38:11,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d56f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11, skipping insertion in model container [2024-11-08 22:38:11,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:38:11,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:11,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:38:11,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:11,797 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:38:11,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11 WrapperNode [2024-11-08 22:38:11,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:11,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:11,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:38:11,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:38:11,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,852 INFO L138 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 41 [2024-11-08 22:38:11,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:11,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:38:11,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:38:11,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:38:11,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:38:11,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:38:11,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:38:11,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:38:11,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:11" (1/1) ... [2024-11-08 22:38:11,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:11,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:38:11,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:38:11,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:38:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:38:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:38:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:38:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:38:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:38:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:38:12,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:38:12,178 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:38:12,385 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-08 22:38:12,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:38:12,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:38:12,465 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:38:12,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:12 BoogieIcfgContainer [2024-11-08 22:38:12,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:38:12,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:38:12,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:38:12,482 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:38:12,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:12" (1/1) ... [2024-11-08 22:38:12,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:38:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-11-08 22:38:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-08 22:38:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:38:12,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-08 22:38:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-08 22:38:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:38:13,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:13,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-08 22:38:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-08 22:38:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:38:14,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:14,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-08 22:38:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-08 22:38:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:38:14,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-08 22:38:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-08 22:38:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:38:14,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:14,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-08 22:38:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-08 22:38:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:38:15,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:15,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-08 22:38:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-08 22:38:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:38:16,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:16,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-08 22:38:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-08 22:38:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:38:16,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-08 22:38:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-08 22:38:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:38:17,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:17,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-08 22:38:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-08 22:38:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:38:19,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:19,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-08 22:38:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-08 22:38:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:38:22,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-08 22:38:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-08 22:38:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:38:22,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:22,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:22,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:22,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:22,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-08 22:38:22,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:38:22 ImpRootNode [2024-11-08 22:38:22,924 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:38:22,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:38:22,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:38:22,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:38:22,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:12" (3/4) ... [2024-11-08 22:38:22,929 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:38:22,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:38:22,931 INFO L158 Benchmark]: Toolchain (without parser) took 11761.70ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 47.0MB in the end (delta: 15.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-08 22:38:22,931 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:22,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.88ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 111.8MB in the end (delta: -49.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 22:38:22,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:22,934 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:22,934 INFO L158 Benchmark]: RCFGBuilder took 583.31ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 94.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:38:22,935 INFO L158 Benchmark]: CodeCheck took 10456.56ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 47.0MB in the end (delta: 47.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:22,936 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 157.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:22,939 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 1 procedures, 26 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 928 IncrementalHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 323 mSolverCounterUnsat, 42 mSDtfsCounter, 928 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 413 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5680 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 568]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 568. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() [L571] EXPR s->next VAL [s={-1:0}] [L571] *s = *(s->next) [L572] free(s) [L572] free(s) [L572] free(s) [L573] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.88ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 111.8MB in the end (delta: -49.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.31ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 94.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10456.56ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 47.0MB in the end (delta: 47.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 157.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:38:22,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/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_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:38:25,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:38:25,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 22:38:25,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:38:25,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:38:25,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:38:25,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:38:25,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:38:25,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:38:25,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:38:25,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:38:25,553 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:38:25,553 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:38:25,553 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:38:25,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:38:25,554 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:38:25,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:38:25,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:38:25,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:38:25,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:38:25,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:38:25,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:38:25,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:38:25,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:38:25,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:38:25,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:25,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:38:25,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:38:25,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:25,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:38:25,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:38:25,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:38:25,567 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:25,567 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:38:25,567 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_faffaa7a-ae33-4551-8b27-d0b994de3b54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2024-11-08 22:38:25,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:38:26,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:38:26,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:38:26,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:38:26,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:38:26,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i Unable to find full path for "g++" [2024-11-08 22:38:28,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:38:28,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:38:28,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-11-08 22:38:28,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/28f87c123/78417a6c6290441cb5b479d05ec07663/FLAG9a2f28e25 [2024-11-08 22:38:28,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/data/28f87c123/78417a6c6290441cb5b479d05ec07663 [2024-11-08 22:38:28,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:38:28,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:38:28,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:28,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:38:28,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:38:28,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:28" (1/1) ... [2024-11-08 22:38:28,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56838b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:28, skipping insertion in model container [2024-11-08 22:38:28,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:28" (1/1) ... [2024-11-08 22:38:28,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:38:29,126 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:38:29,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:29,158 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:38:29,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:29,258 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:38:29,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29 WrapperNode [2024-11-08 22:38:29,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:29,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:29,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:38:29,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:38:29,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,316 INFO L138 Inliner]: procedures = 115, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 42 [2024-11-08 22:38:29,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:29,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:38:29,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:38:29,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:38:29,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:38:29,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:38:29,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:38:29,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:38:29,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:38:29,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:38:29,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:38:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:38:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:38:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:38:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:38:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:38:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:38:29,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:38:29,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:38:29,780 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-08 22:38:29,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:38:29,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:38:29,823 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:38:29,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:29 BoogieIcfgContainer [2024-11-08 22:38:29,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:38:29,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:38:29,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:38:29,838 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:38:29,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:29" (1/1) ... [2024-11-08 22:38:29,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:38:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-11-08 22:38:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-08 22:38:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:38:29,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:29,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:29,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:38:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:30,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:30,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:38:30,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:30,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 22:38:30,187 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-08 22:38:30,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2024-11-08 22:38:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:30,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:38:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-08 22:38:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-08 22:38:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:38:30,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:30,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:30,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:30,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:38:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:30,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:30,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:38:30,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:30,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 22:38:30,629 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-08 22:38:30,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-08 22:38:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:30,700 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:38:30,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:38:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-08 22:38:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-08 22:38:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:38:31,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:31,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:31,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:31,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:31,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:38:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:31,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:31,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:38:31,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:31,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:38:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-08 22:38:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-08 22:38:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:38:31,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:31,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:31,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:38:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:31,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:31,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:38:31,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:31,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:38:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:32,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-08 22:38:32,028 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-08 22:38:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:38:32,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:32,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:32,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:32,033 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:32,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:38:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:32,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:32,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:38:32,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:32,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 22:38:32,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:38:32,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 22:38:32,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 22:38:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:32,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:38:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-08 22:38:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-08 22:38:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:38:34,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:34,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:34,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:34,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:34,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:38:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:34,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:34,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:38:34,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:34,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 22:38:34,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 22:38:34,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 22:38:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:34,640 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:38:34,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:38:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-08 22:38:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-08 22:38:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:38:36,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:36,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:36,909 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:36,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:38:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:36,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:37,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:38:37,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:37,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:38:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-08 22:38:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-08 22:38:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:38:37,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:37,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:37,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:37,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:38:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:37,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:37,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:38:37,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:37,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:38:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-08 22:38:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-08 22:38:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:38:38,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:38,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:38,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:38,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:38:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:38,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:38,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:38:38,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:38,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:38:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-08 22:38:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-08 22:38:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:38:40,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:40,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:40,487 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:40,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:38:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:40,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:40,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:38:40,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:40,923 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:38:40,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:38:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-08 22:38:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-08 22:38:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:38:45,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:45,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:45,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:38:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:45,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:38:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:45,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:38:45,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:45,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:38:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-08 22:38:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-08 22:38:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:38:46,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:46,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:38:46,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:38:46,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:38:46,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:38:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:46,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:46,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:47,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:38:47,034 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-08 22:38:47,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:38:47 ImpRootNode [2024-11-08 22:38:47,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:38:47,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:38:47,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:38:47,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:38:47,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:29" (3/4) ... [2024-11-08 22:38:47,087 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:38:47,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:38:47,090 INFO L158 Benchmark]: Toolchain (without parser) took 18352.50ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 55.4MB in the beginning and 70.0MB in the end (delta: -14.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-08 22:38:47,091 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:47,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.22ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 36.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:38:47,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.69ms. Allocated memory is still 77.6MB. Free memory was 36.3MB in the beginning and 34.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:47,095 INFO L158 Benchmark]: Boogie Preprocessor took 29.00ms. Allocated memory is still 77.6MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:47,096 INFO L158 Benchmark]: RCFGBuilder took 476.35ms. Allocated memory is still 77.6MB. Free memory was 32.9MB in the beginning and 40.7MB in the end (delta: -7.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-08 22:38:47,097 INFO L158 Benchmark]: CodeCheck took 17255.83ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 40.6MB in the beginning and 70.0MB in the end (delta: -29.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-08 22:38:47,097 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 119.5MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:47,103 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 1 procedures, 26 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 17.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 943 IncrementalHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 297 mSolverCounterUnsat, 42 mSDtfsCounter, 943 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 463 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5046 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 9 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 568]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 568. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() [L571] EXPR s->next VAL [s={2:0}] [L571] *s = *(s->next) [L572] free(s) [L572] free(s) [L572] free(s) [L573] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.22ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 36.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.69ms. Allocated memory is still 77.6MB. Free memory was 36.3MB in the beginning and 34.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.00ms. Allocated memory is still 77.6MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.35ms. Allocated memory is still 77.6MB. Free memory was 32.9MB in the beginning and 40.7MB in the end (delta: -7.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * CodeCheck took 17255.83ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 40.6MB in the beginning and 70.0MB in the end (delta: -29.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 119.5MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:38:47,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faffaa7a-ae33-4551-8b27-d0b994de3b54/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample