./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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 64bit --witnessprinter.graph.data.programhash 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:29:45,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:29:45,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 03:29:45,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:29:45,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:29:45,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:29:45,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:29:45,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:29:45,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:29:45,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:29:45,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:29:45,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:29:45,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:29:45,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:29:45,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:29:45,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:29:45,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:45,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:29:45,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:29:45,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:29:45,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:29:45,734 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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-25 03:29:46,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:29:46,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:29:46,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:29:46,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:29:46,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:29:46,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-25 03:29:49,175 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/b647956b0/cda66da0d75e407aa70a093622d9d872/FLAG55f9a330a [2024-11-25 03:29:49,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:29:49,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-25 03:29:49,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/b647956b0/cda66da0d75e407aa70a093622d9d872/FLAG55f9a330a [2024-11-25 03:29:49,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/b647956b0/cda66da0d75e407aa70a093622d9d872 [2024-11-25 03:29:49,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:29:49,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:29:49,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:49,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:29:49,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:29:49,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:49" (1/1) ... [2024-11-25 03:29:49,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247e5c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:49, skipping insertion in model container [2024-11-25 03:29:49,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:49" (1/1) ... [2024-11-25 03:29:49,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:29:50,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:50,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:29:50,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:50,872 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:29:50,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50 WrapperNode [2024-11-25 03:29:50,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:50,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:50,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:29:50,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:29:50,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:50,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,126 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 5006 [2024-11-25 03:29:51,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:51,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:29:51,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:29:51,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:29:51,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:29:51,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:29:51,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:29:51,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:29:51,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:50" (1/1) ... [2024-11-25 03:29:51,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:51,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:29:51,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:29:51,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:29:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-25 03:29:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:29:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:29:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:29:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:29:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:29:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:29:51,848 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:29:51,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:07,667 INFO L? ?]: Removed 3617 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:07,667 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:10,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:10,458 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:10,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:10 BoogieIcfgContainer [2024-11-25 03:30:10,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:10,460 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:10,460 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:10,470 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:10,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:10" (1/1) ... [2024-11-25 03:30:10,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-11-25 03:30:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-11-25 03:30:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:30:10,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:11,694 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 03:30:21,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:30:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-11-25 03:30:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-11-25 03:30:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:30:21,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:21,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:30:32,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:30:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-11-25 03:30:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-11-25 03:30:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:30:32,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:32,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:33,011 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 03:30:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-11-25 03:30:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-11-25 03:30:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:30:33,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:33,474 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 03:30:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-11-25 03:30:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-11-25 03:30:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:30:33,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:34,121 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 03:30:44,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:30:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-11-25 03:30:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-11-25 03:30:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:30:44,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:44,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:30:55,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:30:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-11-25 03:30:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-11-25 03:30:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:30:56,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:56,944 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 03:30:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-11-25 03:30:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-11-25 03:30:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:30:57,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:57,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:30:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-11-25 03:30:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-11-25 03:30:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:30:58,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:30:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-11-25 03:30:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-11-25 03:30:59,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:30:59,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:31:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:31:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-11-25 03:31:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-11-25 03:31:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:31:01,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:31:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:01,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:31:12,366 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:31:12,371 INFO L158 Benchmark]: Toolchain (without parser) took 82666.25ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 88.8MB in the beginning and 320.7MB in the end (delta: -231.9MB). Peak memory consumption was 358.9MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,371 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:12,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1166.64ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 39.8MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.53ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 68.6MB in the end (delta: -28.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,373 INFO L158 Benchmark]: Boogie Preprocessor took 272.83ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 47.3MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,373 INFO L158 Benchmark]: RCFGBuilder took 19058.17ms. Allocated memory was 117.4MB in the beginning and 411.0MB in the end (delta: 293.6MB). Free memory was 47.3MB in the beginning and 305.3MB in the end (delta: -258.0MB). Peak memory consumption was 254.4MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,374 INFO L158 Benchmark]: CodeCheck took 61909.95ms. Allocated memory was 411.0MB in the beginning and 704.6MB in the end (delta: 293.6MB). Free memory was 305.3MB in the beginning and 320.7MB in the end (delta: -15.4MB). Peak memory consumption was 282.2MB. Max. memory is 16.1GB. [2024-11-25 03:31:12,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1166.64ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 39.8MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 252.53ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 68.6MB in the end (delta: -28.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 272.83ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 47.3MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 19058.17ms. Allocated memory was 117.4MB in the beginning and 411.0MB in the end (delta: 293.6MB). Free memory was 47.3MB in the beginning and 305.3MB in the end (delta: -258.0MB). Peak memory consumption was 254.4MB. Max. memory is 16.1GB. * CodeCheck took 61909.95ms. Allocated memory was 411.0MB in the beginning and 704.6MB in the end (delta: 293.6MB). Free memory was 305.3MB in the beginning and 320.7MB in the end (delta: -15.4MB). Peak memory consumption was 282.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:31:12,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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 64bit --witnessprinter.graph.data.programhash 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:31:15,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:31:15,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-11-25 03:31:15,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:31:15,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:31:15,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:31:15,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:31:15,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:31:15,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:31:15,291 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:31:15,291 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:31:15,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:31:15,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:31:15,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:31:15,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:31:15,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:31:15,293 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:15,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:31:15,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:31:15,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:15,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:31:15,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:31:15,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:31:15,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:15,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:31:15,295 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_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-25 03:31:15,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:31:15,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:31:15,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:31:15,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:31:15,657 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:31:15,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-25 03:31:18,631 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/5585e7153/046b08604f7346bf852bb2b7ff56ca9e/FLAG96cbf5585 [2024-11-25 03:31:19,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:31:19,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-25 03:31:19,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/5585e7153/046b08604f7346bf852bb2b7ff56ca9e/FLAG96cbf5585 [2024-11-25 03:31:19,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/data/5585e7153/046b08604f7346bf852bb2b7ff56ca9e [2024-11-25 03:31:19,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:31:19,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:31:19,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:19,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:31:19,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:31:19,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:19" (1/1) ... [2024-11-25 03:31:19,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694e1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:19, skipping insertion in model container [2024-11-25 03:31:19,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:19" (1/1) ... [2024-11-25 03:31:19,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:31:19,860 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,868 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,878 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,878 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,880 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,888 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,891 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,897 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,899 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,905 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,916 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,917 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,919 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,924 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,926 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,940 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,941 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,944 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,954 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,978 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,980 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,982 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,985 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,988 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:19,991 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,000 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,002 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,002 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,003 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,010 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,017 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,052 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,056 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,056 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,064 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,065 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,100 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,128 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:31:20,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:20,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:31:20,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:20,449 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:31:20,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20 WrapperNode [2024-11-25 03:31:20,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:20,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:20,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:31:20,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:31:20,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,741 INFO L138 Inliner]: procedures = 122, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 4687 [2024-11-25 03:31:20,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:20,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:31:20,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:31:20,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:31:20,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:20,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:21,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:21,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:31:21,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:31:21,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:31:21,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:31:21,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:20" (1/1) ... [2024-11-25 03:31:21,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:31:21,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:31:21,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:31:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-25 03:31:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-25 03:31:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:31:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-25 03:31:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-25 03:31:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:31:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:31:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:31:21,500 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:31:21,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:31:45,231 INFO L? ?]: Removed 3609 outVars from TransFormulas that were not future-live. [2024-11-25 03:31:45,232 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:31:47,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:31:47,595 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:31:47,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:47 BoogieIcfgContainer [2024-11-25 03:31:47,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:31:47,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:31:47,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:31:47,615 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:31:47,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:47" (1/1) ... [2024-11-25 03:31:47,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:31:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-11-25 03:31:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-11-25 03:31:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:31:47,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:47,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:47,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:31:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:48,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:49,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:31:49,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:49,432 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:31:49,433 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-25 03:31:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:31:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:31:49,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-25 03:31:49,516 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:31:49,517 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:31:49,608 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:31:49,609 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:31:49,622 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 03:31:49,669 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 03:31:49,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:31:59,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:31:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-11-25 03:31:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-11-25 03:31:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:31:59,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:59,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:59,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:59,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:32:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:01,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:01,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:32:01,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:01,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 03:32:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:32:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:32:01,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-25 03:32:01,579 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 03:32:01,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:32:11,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:32:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-11-25 03:32:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-11-25 03:32:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:32:12,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:12,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:12,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:12,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:32:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:13,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:13,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:32:13,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:13,508 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 03:32:13,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:32:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-11-25 03:32:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-11-25 03:32:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:32:13,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:13,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:13,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:32:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:14,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:15,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:32:15,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:15,264 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 03:32:15,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:32:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-11-25 03:32:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-11-25 03:32:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:32:16,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:16,279 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:16,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:32:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:17,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:17,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:32:17,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:17,780 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 03:32:17,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:32:28,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:32:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-11-25 03:32:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-11-25 03:32:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:32:30,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:30,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:30,780 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:30,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:32:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:31,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:31,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:32:31,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:32,265 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 03:32:32,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:32:43,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:32:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-11-25 03:32:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-11-25 03:32:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:32:46,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:46,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:46,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:46,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:46,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:32:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:47,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:47,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:32:47,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:48,356 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 03:32:48,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:32:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-11-25 03:32:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-11-25 03:32:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:32:50,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:50,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:50,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:50,081 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:50,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:32:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:51,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:51,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:32:51,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:32:52,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:32:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-11-25 03:32:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-11-25 03:32:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:32:53,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:53,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:53,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:53,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:53,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:32:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:55,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:55,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:32:55,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:32:56,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:32:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-11-25 03:32:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-11-25 03:32:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:32:57,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:57,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:57,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:32:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:59,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:59,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:32:59,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:33:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:33:00,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:33:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-11-25 03:33:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-11-25 03:33:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:33:02,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:02,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:02,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:02,148 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:02,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:33:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:04,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:33:15,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:33:15,869 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:33:15,878 INFO L158 Benchmark]: Toolchain (without parser) took 116686.57ms. Allocated memory was 83.9MB in the beginning and 595.6MB in the end (delta: 511.7MB). Free memory was 58.0MB in the beginning and 352.9MB in the end (delta: -294.9MB). Peak memory consumption was 217.0MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,879 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:15,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.03ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 33.7MB in the end (delta: 24.1MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 293.27ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 33.7MB in the beginning and 134.3MB in the end (delta: -100.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,882 INFO L158 Benchmark]: Boogie Preprocessor took 289.66ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 112.8MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,883 INFO L158 Benchmark]: RCFGBuilder took 26561.35ms. Allocated memory was 176.2MB in the beginning and 595.6MB in the end (delta: 419.4MB). Free memory was 112.8MB in the beginning and 431.4MB in the end (delta: -318.6MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,883 INFO L158 Benchmark]: CodeCheck took 88278.18ms. Allocated memory is still 595.6MB. Free memory was 431.4MB in the beginning and 352.9MB in the end (delta: 78.5MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-11-25 03:33:15,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.03ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 33.7MB in the end (delta: 24.1MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 293.27ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 33.7MB in the beginning and 134.3MB in the end (delta: -100.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 289.66ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 112.8MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26561.35ms. Allocated memory was 176.2MB in the beginning and 595.6MB in the end (delta: 419.4MB). Free memory was 112.8MB in the beginning and 431.4MB in the end (delta: -318.6MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. * CodeCheck took 88278.18ms. Allocated memory is still 595.6MB. Free memory was 431.4MB in the beginning and 352.9MB in the end (delta: 78.5MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:33:15,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa8ab604-904e-4d1e-8e2e-40b3501edc6c/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown