./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9 --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 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:59:09,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:09,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 00:59:09,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:59:09,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:59:09,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:09,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:09,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:09,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:09,104 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:59:09,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:59:09,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:59:09,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:09,106 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:59:09,107 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:59:09,107 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:59:09,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:09,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:59:09,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:59:09,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:09,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:09,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:09,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:09,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:09,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:09,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:09,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:09,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:59:09,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:59:09,114 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_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc [2023-12-03 00:59:09,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:09,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:09,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:09,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:09,377 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:09,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2023-12-03 00:59:12,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:12,366 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:12,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2023-12-03 00:59:12,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/9cc2687b5/752a309a736d4f2bb66bf958cd8a751e/FLAG3c424863c [2023-12-03 00:59:12,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/9cc2687b5/752a309a736d4f2bb66bf958cd8a751e [2023-12-03 00:59:12,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:12,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:12,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:12,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:12,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:12,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3070ae5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12, skipping insertion in model container [2023-12-03 00:59:12,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:12,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:12,822 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:12,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:12,899 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:12,905 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:12,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12 WrapperNode [2023-12-03 00:59:12,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:12,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:12,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:12,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:12,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,948 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 45 [2023-12-03 00:59:12,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:12,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:12,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:12,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:12,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:12,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:12,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:12,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:12,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:12" (1/1) ... [2023-12-03 00:59:12,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:12,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:12,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:13,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:59:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:59:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:59:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:13,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:13,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:59:13,219 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:59:13,276 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:59:13,277 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:59:13,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:13 BoogieIcfgContainer [2023-12-03 00:59:13,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:59:13,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:59:13,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:59:13,289 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:59:13,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:13" (1/1) ... [2023-12-03 00:59:13,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:59:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:59:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:59:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:59:13,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:13,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-03 00:59:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-03 00:59:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:59:13,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:13,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-03 00:59:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-03 00:59:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:59:13,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:13,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:59:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:59:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:59:14,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-03 00:59:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-03 00:59:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:59:14,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:14,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:59:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:14,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:59:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:14,613 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-03 00:59:14,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:59:14 ImpRootNode [2023-12-03 00:59:14,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:59:14,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:59:14,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:59:14,636 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:59:14,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:13" (3/4) ... [2023-12-03 00:59:14,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:59:14,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:59:14,641 INFO L158 Benchmark]: Toolchain (without parser) took 2238.77ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 122.8MB in the end (delta: 8.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-12-03 00:59:14,641 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:14,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.15ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 127.9MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:59:14,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:59:14,643 INFO L158 Benchmark]: Boogie Preprocessor took 21.97ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 124.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:14,643 INFO L158 Benchmark]: RCFGBuilder took 306.86ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 109.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:59:14,644 INFO L158 Benchmark]: CodeCheck took 1356.01ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 122.8MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:14,644 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 167.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:14,647 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 14 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L765] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) [L760] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L760] RET, EXPR ldv_malloc(sizeof(int)) [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] EXPR free(q) VAL [ldv_global_msg_list={1:0}, p={-1:0}, q={-2:0}] [L761] EXPR free(q) VAL [ldv_global_msg_list={1:0}, p={-1:0}, q={-2:0}] [L761] EXPR free(q) [L759-L762] { int *q = (int *)ldv_malloc(sizeof(int)); free(q); } VAL [ldv_global_msg_list={1:0}, p={-1:0}] [L765] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.15ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 127.9MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.97ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 124.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.86ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 109.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1356.01ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 122.8MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 167.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:59:14,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9 --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 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:59:16,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:16,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 00:59:16,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:16,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:16,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:16,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:16,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:59:16,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:59:16,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:59:16,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:16,616 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:59:16,617 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:59:16,617 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:59:16,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:16,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:59:16,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:59:16,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:59:16,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:59:16,621 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:59:16,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:16,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:16,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:16,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:16,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:16,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:16,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:16,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:16,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:16,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:16,626 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:59:16,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:16,627 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:59:16,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:16,628 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc [2023-12-03 00:59:16,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:16,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:16,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:16,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:16,928 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:16,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2023-12-03 00:59:19,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:19,917 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:19,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2023-12-03 00:59:19,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/31b9ff1b5/2914b2f38c7f42dba21ae2569f244dd0/FLAG3a0dc421f [2023-12-03 00:59:19,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/data/31b9ff1b5/2914b2f38c7f42dba21ae2569f244dd0 [2023-12-03 00:59:19,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:19,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:19,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:19,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:19,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:19,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:19" (1/1) ... [2023-12-03 00:59:19,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6c2b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:19, skipping insertion in model container [2023-12-03 00:59:19,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:19" (1/1) ... [2023-12-03 00:59:20,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:20,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:20,371 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:59:20,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:20,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:20,431 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:20,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:20,510 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:59:20,516 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:20,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20 WrapperNode [2023-12-03 00:59:20,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:20,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:20,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:20,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:20,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,567 INFO L138 Inliner]: procedures = 165, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 44 [2023-12-03 00:59:20,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:20,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:20,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:20,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:20,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:20,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:20,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:20,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:20,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:20,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:20,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:20,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:59:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:59:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:59:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:20,785 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:20,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:59:20,900 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:59:20,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:59:20,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:59:20,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:20 BoogieIcfgContainer [2023-12-03 00:59:20,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:59:20,972 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:59:20,972 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:59:20,982 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:59:20,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:20" (1/1) ... [2023-12-03 00:59:20,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:59:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:59:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:59:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:59:21,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:21,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:21,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:59:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:21,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:21,344 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:59:21,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:59:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-03 00:59:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-03 00:59:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:59:21,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:21,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:21,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:59:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:59:21,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:21,583 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:21,584 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 00:59:21,588 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:21,589 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 00:59:21,601 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 [2023-12-03 00:59:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:21,634 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:59:21,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:59:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-03 00:59:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-03 00:59:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:59:21,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:21,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:21,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:21,771 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:59:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:21,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:59:21,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:21,927 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:21,928 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 00:59:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:22,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:59:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:59:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:59:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:59:22,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:22,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:22,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:22,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:22,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:59:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:22,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:22,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:59:22,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:22,480 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:59:22,481 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 00:59:22,487 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 [2023-12-03 00:59:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:22,553 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:59:22,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:59:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-03 00:59:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-03 00:59:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:59:23,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:23,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:23,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:59:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:23,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:59:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:23,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:59:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:59:23,238 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:59:23,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:59:23,238 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-03 00:59:23,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:59:23 ImpRootNode [2023-12-03 00:59:23,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:59:23,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:59:23,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:59:23,262 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:59:23,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:59:20" (3/4) ... [2023-12-03 00:59:23,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:59:23,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:59:23,266 INFO L158 Benchmark]: Toolchain (without parser) took 3313.63ms. Allocated memory is still 123.7MB. Free memory was 97.3MB in the beginning and 45.8MB in the end (delta: 51.5MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,266 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:23,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.08ms. Allocated memory is still 123.7MB. Free memory was 97.3MB in the beginning and 68.8MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.33ms. Allocated memory is still 123.7MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,268 INFO L158 Benchmark]: Boogie Preprocessor took 25.94ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,269 INFO L158 Benchmark]: RCFGBuilder took 376.46ms. Allocated memory is still 123.7MB. Free memory was 65.2MB in the beginning and 47.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,269 INFO L158 Benchmark]: CodeCheck took 2288.67ms. Allocated memory is still 123.7MB. Free memory was 47.0MB in the beginning and 46.8MB in the end (delta: 191.3kB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-12-03 00:59:23,270 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 123.7MB. Free memory was 46.8MB in the beginning and 45.8MB in the end (delta: 969.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:23,273 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 14 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 18 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L765] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) [L760] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L760] RET, EXPR ldv_malloc(sizeof(int)) [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] EXPR free(q) VAL [ldv_global_msg_list={1:0}, p={2:0}, q={33554432:0}] [L761] EXPR free(q) VAL [ldv_global_msg_list={1:0}, p={2:0}, q={33554432:0}] [L761] EXPR free(q) [L759-L762] { int *q = (int *)ldv_malloc(sizeof(int)); free(q); } VAL [ldv_global_msg_list={1:0}, p={2:0}] [L765] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.08ms. Allocated memory is still 123.7MB. Free memory was 97.3MB in the beginning and 68.8MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.33ms. Allocated memory is still 123.7MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.94ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.46ms. Allocated memory is still 123.7MB. Free memory was 65.2MB in the beginning and 47.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2288.67ms. Allocated memory is still 123.7MB. Free memory was 47.0MB in the beginning and 46.8MB in the end (delta: 191.3kB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 123.7MB. Free memory was 46.8MB in the beginning and 45.8MB in the end (delta: 969.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:59:23,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce716b43-e068-447f-939f-f4cab236a9b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample