./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0019-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3 --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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:56,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:56,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 01:59:56,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:59:56,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:59:56,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:56,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:56,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:56,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:56,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:59:56,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:59:56,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:59:56,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:56,580 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 01:59:56,581 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 01:59:56,581 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 01:59:56,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:56,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:59:56,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:59:56,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:56,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:56,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:56,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:56,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:56,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:56,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:56,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:56,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:56,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:59:56,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:59:56,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2024-11-25 01:59:56,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:56,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:56,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:56,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:56,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:56,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/memsafety/test-0019-2.i [2024-11-25 02:00:00,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/f0be146b1/c12c2de3921e4bedaafdcce398c2977e/FLAGaac7a5c16 [2024-11-25 02:00:00,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:00:00,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/sv-benchmarks/c/memsafety/test-0019-2.i [2024-11-25 02:00:00,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/f0be146b1/c12c2de3921e4bedaafdcce398c2977e/FLAGaac7a5c16 [2024-11-25 02:00:00,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/f0be146b1/c12c2de3921e4bedaafdcce398c2977e [2024-11-25 02:00:00,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:00:00,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:00:00,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:00,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:00:00,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:00:00,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:00" (1/1) ... [2024-11-25 02:00:00,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b525db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:00, skipping insertion in model container [2024-11-25 02:00:00,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:00" (1/1) ... [2024-11-25 02:00:00,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:00:01,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:01,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:00:01,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:01,453 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:00:01,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01 WrapperNode [2024-11-25 02:00:01,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:01,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:01,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:00:01,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:00:01,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,533 INFO L138 Inliner]: procedures = 125, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-25 02:00:01,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:01,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:00:01,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:00:01,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:00:01,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:00:01,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:00:01,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:00:01,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:00:01,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:01" (1/1) ... [2024-11-25 02:00:01,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:00:01,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:00:01,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:00:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:00:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:00:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:00:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:00:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 02:00:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 02:00:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:00:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:00:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:00:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:00:01,856 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:00:01,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:00:02,189 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-25 02:00:02,190 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:00:02,239 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:00:02,240 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:00:02,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:02 BoogieIcfgContainer [2024-11-25 02:00:02,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:00:02,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:00:02,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:00:02,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:00:02,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:02" (1/1) ... [2024-11-25 02:00:02,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:00:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-25 02:00:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-25 02:00:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:00:02,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-11-25 02:00:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-11-25 02:00:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:00:02,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-25 02:00:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-25 02:00:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:00:03,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-11-25 02:00:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-11-25 02:00:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:00:03,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-11-25 02:00:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-11-25 02:00:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:00:03,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-11-25 02:00:04,373 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-11-25 02:00:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:00:04,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-11-25 02:00:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-11-25 02:00:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:00:05,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-11-25 02:00:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-11-25 02:00:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:00:05,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-25 02:00:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-25 02:00:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:05,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-11-25 02:00:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-25 02:00:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:05,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-11-25 02:00:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-25 02:00:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:06,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2024-11-25 02:00:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-11-25 02:00:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:08,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-11-25 02:00:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-25 02:00:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:08,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:08,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-11-25 02:00:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-25 02:00:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:08,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:08,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-11-25 02:00:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-25 02:00:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:00:11,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:11,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:11,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:00:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:11,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:00:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:11,800 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-11-25 02:00:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:00:11 ImpRootNode [2024-11-25 02:00:11,838 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:00:11,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:00:11,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:00:11,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:00:11,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:02" (3/4) ... [2024-11-25 02:00:11,846 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:00:11,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:00:11,848 INFO L158 Benchmark]: Toolchain (without parser) took 10955.08ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 83.2MB in the end (delta: 32.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-25 02:00:11,848 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:11,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.64ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 99.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:00:11,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.99ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:11,850 INFO L158 Benchmark]: Boogie Preprocessor took 49.36ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 96.4MB in the end (delta: 902.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:11,850 INFO L158 Benchmark]: RCFGBuilder took 652.17ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 80.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:00:11,854 INFO L158 Benchmark]: CodeCheck took 9596.38ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 83.2MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:11,854 INFO L158 Benchmark]: Witness Printer took 8.52ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:11,857 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1005 IncrementalHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 34 mSDtfsCounter, 1005 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 458 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5193 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={18390:0}] [L540] data->lo = (void *) 0 VAL [data={18390:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.64ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 99.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.99ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.36ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 96.4MB in the end (delta: 902.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 652.17ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 80.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9596.38ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 83.2MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.52ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:00:11,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3 --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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:00:14,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:00:14,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 02:00:14,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:00:14,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:00:14,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:00:14,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:00:14,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:00:14,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:00:14,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:00:14,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:00:14,883 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:00:14,883 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:00:14,883 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:00:14,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:00:14,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:00:14,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:00:14,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:00:14,885 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:14,885 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:00:14,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:00:14,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:00:14,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:00:14,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:00:14,886 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:00:14,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:14,886 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:00:14,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2024-11-25 02:00:15,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:00:15,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:00:15,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:00:15,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:00:15,215 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:00:15,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/memsafety/test-0019-2.i [2024-11-25 02:00:18,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/6cf6f236c/8fce8faad55b433fb147d762f90f2f07/FLAG94a9b78cd [2024-11-25 02:00:18,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:00:18,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/sv-benchmarks/c/memsafety/test-0019-2.i [2024-11-25 02:00:18,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/6cf6f236c/8fce8faad55b433fb147d762f90f2f07/FLAG94a9b78cd [2024-11-25 02:00:19,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/data/6cf6f236c/8fce8faad55b433fb147d762f90f2f07 [2024-11-25 02:00:19,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:00:19,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:00:19,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:19,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:00:19,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:00:19,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62255750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19, skipping insertion in model container [2024-11-25 02:00:19,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:00:19,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:19,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:00:19,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:00:19,707 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:00:19,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19 WrapperNode [2024-11-25 02:00:19,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:00:19,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:19,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:00:19,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:00:19,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,777 INFO L138 Inliner]: procedures = 126, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-25 02:00:19,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:00:19,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:00:19,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:00:19,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:00:19,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,800 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:00:19,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:00:19,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:00:19,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:00:19,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:00:19" (1/1) ... [2024-11-25 02:00:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:00:19,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:00:19,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:00:19,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:00:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:00:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:00:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:00:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 02:00:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 02:00:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:00:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:00:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:00:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:00:20,082 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:00:20,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:00:20,479 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-25 02:00:20,479 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:00:20,562 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:00:20,563 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:00:20,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:20 BoogieIcfgContainer [2024-11-25 02:00:20,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:00:20,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:00:20,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:00:20,575 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:00:20,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:20" (1/1) ... [2024-11-25 02:00:20,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:00:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-25 02:00:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-25 02:00:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:00:20,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:20,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:20,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:00:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:20,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:20,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:00:20,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:20,957 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-11-25 02:00:20,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-11-25 02:00:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:20,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:00:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-11-25 02:00:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-11-25 02:00:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:00:21,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:21,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:21,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:21,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:00:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:21,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:21,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:00:21,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:21,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-25 02:00:21,260 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 10 treesize of output 8 [2024-11-25 02:00:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:21,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:00:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-25 02:00:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-25 02:00:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:00:21,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:21,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:21,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:21,501 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:21,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:00:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:21,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:21,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:00:21,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:21,776 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 02:00:21,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 [2024-11-25 02:00:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:21,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:00:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-11-25 02:00:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-11-25 02:00:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:00:21,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:21,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:21,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:00:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:21,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:22,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:00:22,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:22,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-25 02:00:22,077 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 10 treesize of output 8 [2024-11-25 02:00:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:00:22,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 14 treesize of output 9 [2024-11-25 02:00:22,172 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 02:00:22,173 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 13 treesize of output 13 [2024-11-25 02:00:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:22,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 02:00:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-11-25 02:00:22,251 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-11-25 02:00:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:00:22,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:22,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:22,254 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:22,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:00:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:22,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:22,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:00:22,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:22,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:00:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-11-25 02:00:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-11-25 02:00:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:00:22,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:22,833 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:00:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:22,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:23,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:00:23,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:23,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:00:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-11-25 02:00:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-11-25 02:00:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:00:23,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:23,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:23,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:23,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:23,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:00:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:23,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:00:24,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:24,035 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:00:24,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:00:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-11-25 02:00:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-11-25 02:00:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:00:24,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:24,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:24,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:24,066 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:24,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:00:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:00:24,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:24,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:00:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-25 02:00:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-25 02:00:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:24,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:24,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:24,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:24,330 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:24,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:00:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:00:24,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:24,507 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:00:24,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:00:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-11-25 02:00:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-25 02:00:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:24,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:24,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:00:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:24,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:00:24,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:24,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 02:00:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-11-25 02:00:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-25 02:00:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:00:25,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:25,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:25,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:25,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:25,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:00:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:25,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:25,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:00:25,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:25,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 02:00:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:26,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:00:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-11-25 02:00:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-25 02:00:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:27,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:27,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:27,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:27,545 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:27,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:00:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:27,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:27,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:00:27,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:27,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 02:00:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-11-25 02:00:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-25 02:00:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:27,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:27,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:27,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:27,765 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:00:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:27,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:27,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:00:27,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:28,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 02:00:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-11-25 02:00:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-25 02:00:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:00:30,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:30,567 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:30,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:00:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:30,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:30,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:00:30,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:30,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 02:00:30,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-25 02:00:30,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 02:00:30,978 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-11-25 02:00:30,978 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 17 treesize of output 17 [2024-11-25 02:00:31,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2024-11-25 02:00:31,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:00:31,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 02:00:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:31,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:00:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-25 02:00:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-25 02:00:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:00:35,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:35,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:35,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:35,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:00:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:35,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:00:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:36,385 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:00:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:00:36,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:00:36,530 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-11-25 02:00:36,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:00:36 ImpRootNode [2024-11-25 02:00:36,570 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:00:36,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:00:36,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:00:36,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:00:36,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:00:20" (3/4) ... [2024-11-25 02:00:36,577 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:00:36,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:00:36,584 INFO L158 Benchmark]: Toolchain (without parser) took 17546.32ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 24.7MB in the end (delta: 34.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-25 02:00:36,584 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:36,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.57ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 41.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:00:36,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.17ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:36,585 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 38.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:36,585 INFO L158 Benchmark]: RCFGBuilder took 754.90ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 56.9MB in the end (delta: -18.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-25 02:00:36,585 INFO L158 Benchmark]: CodeCheck took 16006.30ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 24.7MB in the end (delta: 32.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-25 02:00:36,585 INFO L158 Benchmark]: Witness Printer took 11.79ms. Allocated memory is still 83.9MB. Free memory was 24.7MB in the beginning and 24.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:00:36,590 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 36 mSDtfsCounter, 922 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 22 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={-2147483643:0}] [L540] data->lo = (void *) 0 VAL [data={-2147483643:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.57ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 41.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.17ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 38.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 754.90ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 56.9MB in the end (delta: -18.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * CodeCheck took 16006.30ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 24.7MB in the end (delta: 32.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 11.79ms. Allocated memory is still 83.9MB. Free memory was 24.7MB in the beginning and 24.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:00:36,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e8749a-4f81-4fea-889b-bf6e68cbca9c/bin/ukojak-verify-ENZ3QT5qd3/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