./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/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_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/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_125f994b-4814-4176-9dae-1b7449fed953/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 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:33:48,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:33:48,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:33:48,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:33:48,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:33:48,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:33:48,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:33:48,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:33:48,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:33:48,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:33:48,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:33:48,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:33:48,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:33:48,992 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:33:48,992 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:33:48,993 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:33:48,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:33:48,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:33:48,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:33:48,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:33:48,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:33:48,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:33:48,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:33:48,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:33:48,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:33:48,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:33:48,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:33:48,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:33:48,998 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:33:48,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:33:48,999 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_125f994b-4814-4176-9dae-1b7449fed953/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd [2024-11-08 23:33:49,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:33:49,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:33:49,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:33:49,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:33:49,347 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:33:49,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i Unable to find full path for "g++" [2024-11-08 23:33:51,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:33:51,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:33:51,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-11-08 23:33:51,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/572b0fe26/7ab7e9bedca44bc782d9970273a555e5/FLAGc677a3141 [2024-11-08 23:33:51,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/572b0fe26/7ab7e9bedca44bc782d9970273a555e5 [2024-11-08 23:33:51,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:33:51,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:33:51,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:33:51,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:33:51,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:33:51,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:51" (1/1) ... [2024-11-08 23:33:51,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4933d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:51, skipping insertion in model container [2024-11-08 23:33:51,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:51" (1/1) ... [2024-11-08 23:33:51,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:33:52,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:33:52,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:33:52,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:33:52,381 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:33:52,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52 WrapperNode [2024-11-08 23:33:52,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:33:52,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:33:52,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:33:52,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:33:52,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,437 INFO L138 Inliner]: procedures = 168, calls = 77, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 75 [2024-11-08 23:33:52,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:33:52,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:33:52,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:33:52,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:33:52,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:33:52,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:33:52,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:33:52,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:33:52,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:33:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:33:52,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:33:52,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:33:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:33:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:33:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:33:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:33:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:33:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:33:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:33:52,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:33:52,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:33:52,854 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 23:33:52,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:33:52,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:33:52,937 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:33:52,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:52 BoogieIcfgContainer [2024-11-08 23:33:52,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:33:52,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:33:52,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:33:52,951 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:33:52,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:52" (1/1) ... [2024-11-08 23:33:52,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:33:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 23:33:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 23:33:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:33:53,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:53,252 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 23:33:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-08 23:33:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-08 23:33:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:33:53,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:53,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:53,595 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 23:33:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-08 23:33:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 23:33:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:33:53,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:53,998 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 23:33:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-08 23:33:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 23:33:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:33:54,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:54,469 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 23:33:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-08 23:33:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-08 23:33:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:33:54,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:54,959 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 23:33:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-08 23:33:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 23:33:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:33:54,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:55,211 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 23:33:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 23:33:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 23:33:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:33:55,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:56,192 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 23:33:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 23:33:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 23:33:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:33:57,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:57,531 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 23:33:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 23:33:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 23:33:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:33:58,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:58,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:58,384 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 23:33:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-11-08 23:33:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 23:33:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:33:59,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:59,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:59,576 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 23:33:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 23:33:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 23:33:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:33:59,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:59,935 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 23:34:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 23:34:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 23:34:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:00,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:00,737 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 23:34:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-08 23:34:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-08 23:34:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:02,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:02,463 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 23:34:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 23:34:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 23:34:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:03,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,302 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 23:34:06,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-08 23:34:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 23:34:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:06,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:06,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,991 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 23:34:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-08 23:34:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 23:34:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:08,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:08,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:08,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:34:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:08,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:34:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:08,517 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-11-08 23:34:08,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:34:08 ImpRootNode [2024-11-08 23:34:08,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:34:08,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:34:08,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:34:08,544 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:34:08,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:52" (3/4) ... [2024-11-08 23:34:08,548 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:34:08,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:34:08,550 INFO L158 Benchmark]: Toolchain (without parser) took 16909.68ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 134.9MB in the beginning and 152.6MB in the end (delta: -17.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,551 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:08,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.67ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 110.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.66ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 107.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,553 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,553 INFO L158 Benchmark]: RCFGBuilder took 467.52ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 86.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,554 INFO L158 Benchmark]: CodeCheck took 15604.12ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 86.9MB in the beginning and 152.6MB in the end (delta: -65.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-08 23:34:08,555 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 243.3MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:08,558 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 640 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 623 mSDsluCounter, 772 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 700 mSDsCounter, 435 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2000 IncrementalHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 435 mSolverCounterUnsat, 72 mSDtfsCounter, 2000 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 892 GetRequests, 691 SyntacticMatches, 11 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15802 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 790. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L782] struct A a6; [L791] CALL entry_point() [L784] CALL, EXPR probe1_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={3:0}] [L774] a->p = p [L775] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L784] RET, EXPR probe1_6(&a6) [L784] int ret = probe1_6(&a6); [L785] COND TRUE ret==0 [L786] FCALL disconnect_2_6(&a6) [L788] a6.p = 0 [L791] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.67ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 110.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.66ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 107.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.52ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 86.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15604.12ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 86.9MB in the beginning and 152.6MB in the end (delta: -65.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 243.3MB. Free memory is still 152.6MB. 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 23:34:08,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/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_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/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_125f994b-4814-4176-9dae-1b7449fed953/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 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:34:11,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:11,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:34:11,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:11,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:11,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:11,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:11,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:34:11,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:34:11,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:34:11,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:11,174 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:34:11,174 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:34:11,175 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:34:11,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:11,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:34:11,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:34:11,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:11,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:34:11,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:34:11,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:34:11,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:11,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:34:11,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:34:11,187 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:34:11,187 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:11,188 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:34:11,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:11,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:11,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:11,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:11,191 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:34:11,191 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:11,192 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:34:11,192 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_125f994b-4814-4176-9dae-1b7449fed953/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd [2024-11-08 23:34:11,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:11,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:11,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:11,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:11,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:11,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i Unable to find full path for "g++" [2024-11-08 23:34:13,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:34:14,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:34:14,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-11-08 23:34:14,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/3edd616ec/b8961fcb8177498ca19cc3cb6c76abb0/FLAGaf71c514c [2024-11-08 23:34:14,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/data/3edd616ec/b8961fcb8177498ca19cc3cb6c76abb0 [2024-11-08 23:34:14,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:34:14,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:34:14,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:14,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:34:14,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:34:14,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:14" (1/1) ... [2024-11-08 23:34:14,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29fb4383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:14, skipping insertion in model container [2024-11-08 23:34:14,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:14" (1/1) ... [2024-11-08 23:34:14,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:14,639 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 23:34:14,729 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 23:34:14,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:14,772 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 23:34:14,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:14,830 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 23:34:14,867 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 23:34:14,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:14,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:34:14,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:15,004 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:34:15,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15 WrapperNode [2024-11-08 23:34:15,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:15,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:15,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:34:15,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:34:15,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,082 INFO L138 Inliner]: procedures = 169, calls = 77, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 70 [2024-11-08 23:34:15,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:15,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:34:15,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:34:15,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:34:15,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:34:15,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:34:15,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:34:15,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:34:15,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:15,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:34:15,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:34:15,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:34:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:34:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:34:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:34:15,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:34:15,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:34:15,586 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 23:34:15,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:34:15,693 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:34:15,693 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:34:15,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:15 BoogieIcfgContainer [2024-11-08 23:34:15,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:34:15,695 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:34:15,695 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:34:15,708 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:34:15,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:15" (1/1) ... [2024-11-08 23:34:15,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 23:34:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 23:34:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:34:15,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:15,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:15,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:15,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:15,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:34:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:15,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:15,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:34:15,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:16,108 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 23:34:16,110 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:34:16,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-08 23:34:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-08 23:34:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:34:16,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:16,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:16,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:16,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:34:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:16,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:16,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:34:16,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:16,551 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-08 23:34:16,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 23:34:16,697 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 23:34:16,699 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:34:16,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:34:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-08 23:34:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-08 23:34:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:34:16,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:16,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:16,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:16,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:34:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:34:17,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:17,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 23:34:17,355 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-08 23:34:17,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-08 23:34:17,503 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 23:34:17,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:34:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-08 23:34:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:34:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:34:18,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:18,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:18,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:34:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:18,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:18,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:34:18,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:18,257 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:18,260 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:18,269 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:18,270 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:18,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-08 23:34:18,476 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 23:34:18,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:34:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-08 23:34:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-08 23:34:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:34:19,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:19,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:19,186 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:19,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:34:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:34:19,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:19,333 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 23:34:19,335 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:34:19,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:34:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 23:34:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 23:34:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:34:19,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:19,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:19,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:19,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:34:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:34:19,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:19,658 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-08 23:34:19,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 23:34:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:34:19,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:34:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:34:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:34:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:34:21,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:21,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:21,027 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:21,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:34:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:21,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:21,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:34:21,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:34:21,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:34:21,366 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:34:21,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2024-11-08 23:34:21,605 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 23:34:21,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:34:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:34:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:34:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:34:23,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:23,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:23,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:23,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:34:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:23,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:23,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:34:23,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:23,457 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:23,458 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:23,649 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 23:34:23,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-08 23:34:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 23:34:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:34:24,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:24,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:24,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:24,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:34:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:34:25,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:25,129 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:25,130 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:25,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-08 23:34:25,301 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 23:34:25,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:34:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2024-11-08 23:34:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-11-08 23:34:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:34:27,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:27,349 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:27,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:34:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:27,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:27,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:34:27,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:27,489 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:27,490 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:27,498 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:27,499 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:27,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 23:34:27,564 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 23:34:27,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:34:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-08 23:34:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-08 23:34:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:27,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:27,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:27,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:27,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:27,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:34:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:27,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:27,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:34:27,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:27,949 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:34:27,949 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:34:27,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-08 23:34:28,009 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 23:34:28,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:34:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:34:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:34:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:28,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:28,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:28,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:28,047 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:28,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:34:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:28,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:28,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:34:28,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:28,358 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 23:34:28,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:34:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:34:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:34:29,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:29,491 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:29,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:34:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:34:29,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:29,936 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 23:34:29,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:34:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-08 23:34:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 23:34:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:31,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:31,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:31,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:31,534 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:31,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:34:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:31,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:31,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:34:31,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:31,780 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-08 23:34:31,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 23:34:32,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2024-11-08 23:34:32,166 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 23:34:32,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:34:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2024-11-08 23:34:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-11-08 23:34:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:34,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:34,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:34,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:34,629 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:34,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:34:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:34,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:34,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:34:34,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:34:34,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:34:34,908 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:34:34,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2024-11-08 23:34:35,297 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 23:34:35,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:34:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-08 23:34:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 23:34:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:34:37,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:37,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:37,056 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:37,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:34:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:37,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:34:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:37,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:34:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:34:37,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:34:37,385 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-11-08 23:34:37,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:34:37 ImpRootNode [2024-11-08 23:34:37,410 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:34:37,410 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:34:37,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:34:37,411 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:34:37,411 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:15" (3/4) ... [2024-11-08 23:34:37,414 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:34:37,415 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:34:37,416 INFO L158 Benchmark]: Toolchain (without parser) took 23274.98ms. Allocated memory was 73.4MB in the beginning and 163.6MB in the end (delta: 90.2MB). Free memory was 42.7MB in the beginning and 84.9MB in the end (delta: -42.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,417 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:37,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.32ms. Allocated memory is still 73.4MB. Free memory was 42.5MB in the beginning and 31.2MB in the end (delta: 11.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.14ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 31.2MB in the beginning and 69.4MB in the end (delta: -38.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,419 INFO L158 Benchmark]: Boogie Preprocessor took 31.78ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,419 INFO L158 Benchmark]: RCFGBuilder took 578.34ms. Allocated memory is still 94.4MB. Free memory was 67.8MB in the beginning and 46.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,422 INFO L158 Benchmark]: CodeCheck took 21715.34ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 46.0MB in the beginning and 84.9MB in the end (delta: -38.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-08 23:34:37,424 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 163.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:34:37,429 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 696 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 659 mSDsluCounter, 743 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2184 IncrementalHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 316 mSolverCounterUnsat, 72 mSDtfsCounter, 2184 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 785 SyntacticMatches, 18 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13241 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 907 SizeOfPredicates, 43 NumberOfNonLiveVariables, 513 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 790. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L782] struct A a6; [L791] CALL entry_point() [L784] CALL, EXPR probe1_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={3:0}] [L774] a->p = p [L775] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L784] RET, EXPR probe1_6(&a6) [L784] int ret = probe1_6(&a6); [L785] COND TRUE ret==0 [L786] FCALL disconnect_2_6(&a6) [L788] a6.p = 0 [L791] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.32ms. Allocated memory is still 73.4MB. Free memory was 42.5MB in the beginning and 31.2MB in the end (delta: 11.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.14ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 31.2MB in the beginning and 69.4MB in the end (delta: -38.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.78ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.34ms. Allocated memory is still 94.4MB. Free memory was 67.8MB in the beginning and 46.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 21715.34ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 46.0MB in the beginning and 84.9MB in the end (delta: -38.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 163.6MB. Free memory is still 84.9MB. 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 23:34:37,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f994b-4814-4176-9dae-1b7449fed953/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample