./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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 00:50:35,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:50:35,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 00:50:35,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:50:35,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:50:35,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:50:35,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:50:35,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:50:35,926 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:50:35,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:50:35,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:35,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:50:35,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:50:35,928 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:50:35,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:50:35,928 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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 00:50:36,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:50:36,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:50:36,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:50:36,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:50:36,181 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:50:36,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-12-06 00:50:38,776 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/e07cb4e78/1ea6b582d5404b858cd50f7eb492cc8c/FLAG866b7d6e0 [2024-12-06 00:50:39,096 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:50:39,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-12-06 00:50:39,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/e07cb4e78/1ea6b582d5404b858cd50f7eb492cc8c/FLAG866b7d6e0 [2024-12-06 00:50:39,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/e07cb4e78/1ea6b582d5404b858cd50f7eb492cc8c [2024-12-06 00:50:39,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:50:39,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:50:39,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:39,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:50:39,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:50:39,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:39" (1/1) ... [2024-12-06 00:50:39,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8d531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:39, skipping insertion in model container [2024-12-06 00:50:39,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:39" (1/1) ... [2024-12-06 00:50:39,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:50:39,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:39,944 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:50:40,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:40,095 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:50:40,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40 WrapperNode [2024-12-06 00:50:40,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:40,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:40,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:50:40,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:50:40,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,247 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 5006 [2024-12-06 00:50:40,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:40,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:50:40,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:50:40,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:50:40,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:50:40,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:50:40,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:50:40,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:50:40,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:40" (1/1) ... [2024-12-06 00:50:40,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:40,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:50:40,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:50:40,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:50:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:50:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:50:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:50:40,678 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:50:40,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:50:55,040 INFO L? ?]: Removed 3617 outVars from TransFormulas that were not future-live. [2024-12-06 00:50:55,040 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:50:56,903 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:50:56,903 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:50:56,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:56 BoogieIcfgContainer [2024-12-06 00:50:56,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:50:56,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:50:56,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:50:56,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:50:56,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:56" (1/1) ... [2024-12-06 00:50:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:50:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-12-06 00:50:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-12-06 00:50:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:50:56,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:07,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-12-06 00:51:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-12-06 00:51:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:51:07,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:07,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:18,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-12-06 00:51:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-12-06 00:51:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:51:18,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:18,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-12-06 00:51:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-12-06 00:51:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:51:18,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-12-06 00:51:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-12-06 00:51:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:51:18,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:29,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-12-06 00:51:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-12-06 00:51:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:51:29,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:29,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:40,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-12-06 00:51:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-12-06 00:51:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:51:40,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:40,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-12-06 00:51:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-12-06 00:51:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:51:41,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-12-06 00:51:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-12-06 00:51:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:51:42,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-12-06 00:51:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-12-06 00:51:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:51:43,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:43,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-12-06 00:51:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-12-06 00:51:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:51:44,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:51:44,587 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:51:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:51:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:54,893 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) [2024-12-06 00:51:54,898 INFO L158 Benchmark]: Toolchain (without parser) took 75539.98ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 113.0MB in the beginning and 137.5MB in the end (delta: -24.6MB). Peak memory consumption was 326.7MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,898 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:51:54,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.05ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 64.2MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.27ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 97.1MB in the end (delta: -32.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,899 INFO L158 Benchmark]: Boogie Preprocessor took 152.75ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 75.6MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,900 INFO L158 Benchmark]: RCFGBuilder took 16503.07ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 75.6MB in the beginning and 171.3MB in the end (delta: -95.7MB). Peak memory consumption was 255.8MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,900 INFO L158 Benchmark]: CodeCheck took 57991.99ms. Allocated memory is still 486.5MB. Free memory was 171.3MB in the beginning and 137.5MB in the end (delta: 33.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-12-06 00:51:54,903 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.05ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 64.2MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.27ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 97.1MB in the end (delta: -32.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.75ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 75.6MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 16503.07ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 75.6MB in the beginning and 171.3MB in the end (delta: -95.7MB). Peak memory consumption was 255.8MB. Max. memory is 16.1GB. * CodeCheck took 57991.99ms. Allocated memory is still 486.5MB. Free memory was 171.3MB in the beginning and 137.5MB in the end (delta: 33.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:51:54,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 00:51:56,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:51:56,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-12-06 00:51:56,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:51:56,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:51:56,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:51:56,956 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:51:56,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:51:56,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:51:56,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:56,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:56,958 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:51:56,959 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_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 00:51:57,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:51:57,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:51:57,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:51:57,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:51:57,200 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:51:57,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-12-06 00:51:59,948 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/063f470b3/ced66888468e4a8bba8a692e8a873c05/FLAG1e6a3787d [2024-12-06 00:52:00,253 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:00,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-12-06 00:52:00,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/063f470b3/ced66888468e4a8bba8a692e8a873c05/FLAG1e6a3787d [2024-12-06 00:52:00,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/data/063f470b3/ced66888468e4a8bba8a692e8a873c05 [2024-12-06 00:52:00,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:00,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:00,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:00,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:00,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:00,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:00" (1/1) ... [2024-12-06 00:52:00,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c676b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:00, skipping insertion in model container [2024-12-06 00:52:00,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:00" (1/1) ... [2024-12-06 00:52:00,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:00,956 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,960 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,967 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,967 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,968 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,973 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,974 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,978 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,979 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,983 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,988 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,988 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,990 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,993 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:00,994 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,002 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,003 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,003 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,010 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,024 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,026 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,027 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,028 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,030 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,031 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,034 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,035 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,035 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,036 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,039 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,043 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,061 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,062 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,062 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,063 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,078 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,079 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,092 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,108 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:52:01,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:01,131 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:01,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:01,303 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:01,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01 WrapperNode [2024-12-06 00:52:01,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:01,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:01,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:01,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:01,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,459 INFO L138 Inliner]: procedures = 122, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 4687 [2024-12-06 00:52:01,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:01,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:01,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:01,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:01,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:01,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:01,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:01,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:01,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:01" (1/1) ... [2024-12-06 00:52:01,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:01,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:01,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:01,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 00:52:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:52:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:52:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:52:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:01,920 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:01,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:24,196 INFO L? ?]: Removed 3609 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:24,196 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:26,170 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:26,170 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:52:26,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:26 BoogieIcfgContainer [2024-12-06 00:52:26,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:26,172 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:26,172 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:26,184 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:26,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:26" (1/1) ... [2024-12-06 00:52:26,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-12-06 00:52:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-12-06 00:52:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:52:26,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:26,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:26,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:52:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:27,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:27,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:27,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:27,595 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:27,596 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-12-06 00:52:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:27,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:27,651 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 [2024-12-06 00:52:27,677 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:27,678 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:52:27,762 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:27,763 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:52:27,774 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 [2024-12-06 00:52:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:27,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:52:37,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:52:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-12-06 00:52:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-12-06 00:52:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:52:37,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:37,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:52:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:38,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:38,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:52:38,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:39,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-06 00:52:39,147 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 00:52:39,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 00:52:39,161 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:39,161 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:52:39,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-12-06 00:52:39,266 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 [2024-12-06 00:52:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:39,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:52:49,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:52:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-12-06 00:52:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-12-06 00:52:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:49,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:49,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:49,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:49,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:49,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:52:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:50,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:50,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:50,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:50,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:52:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-12-06 00:52:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-12-06 00:52:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:51,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:52:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:52,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:52,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:52,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:52:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-12-06 00:52:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-12-06 00:52:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:52:52,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:52,960 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:52,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:52:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:53,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:53,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:54,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:53:04,692 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 [] [2024-12-06 00:53:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-12-06 00:53:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-12-06 00:53:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:53:06,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:06,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:06,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:06,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:06,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:53:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:07,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:07,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:07,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:07,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:53:18,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-12-06 00:53:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-12-06 00:53:21,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:53:21,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:21,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:21,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:21,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:21,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:53:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:22,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:22,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:22,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:23,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:53:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-12-06 00:53:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-12-06 00:53:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:53:24,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:24,815 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:24,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:53:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:25,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:25,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:25,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:26,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:53:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-12-06 00:53:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-12-06 00:53:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:53:27,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:27,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:27,861 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:53:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:28,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:29,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:53:29,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:29,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:53:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-12-06 00:53:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-12-06 00:53:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:53:31,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:31,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:31,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:53:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:32,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:32,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:53:32,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:32,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:53:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-12-06 00:53:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-12-06 00:53:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:53:34,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:34,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:34,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:34,656 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:34,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:53:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:36,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:53:47,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:53:47,554 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) [2024-12-06 00:53:47,559 INFO L158 Benchmark]: Toolchain (without parser) took 107053.38ms. Allocated memory was 92.3MB in the beginning and 486.5MB in the end (delta: 394.3MB). Free memory was 65.5MB in the beginning and 278.3MB in the end (delta: -212.8MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2024-12-06 00:53:47,560 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:47,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.81ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 41.3MB in the end (delta: 24.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:47,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.06ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 49.8MB in the end (delta: -8.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-06 00:53:47,561 INFO L158 Benchmark]: Boogie Preprocessor took 146.48ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 28.3MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:47,562 INFO L158 Benchmark]: RCFGBuilder took 24564.40ms. Allocated memory was 92.3MB in the beginning and 486.5MB in the end (delta: 394.3MB). Free memory was 28.3MB in the beginning and 221.0MB in the end (delta: -192.7MB). Peak memory consumption was 211.3MB. Max. memory is 16.1GB. [2024-12-06 00:53:47,562 INFO L158 Benchmark]: CodeCheck took 81386.37ms. Allocated memory is still 486.5MB. Free memory was 218.5MB in the beginning and 278.3MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:47,564 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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.81ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 41.3MB in the end (delta: 24.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.06ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 49.8MB in the end (delta: -8.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.48ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 28.3MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 24564.40ms. Allocated memory was 92.3MB in the beginning and 486.5MB in the end (delta: 394.3MB). Free memory was 28.3MB in the beginning and 221.0MB in the end (delta: -192.7MB). Peak memory consumption was 211.3MB. Max. memory is 16.1GB. * CodeCheck took 81386.37ms. Allocated memory is still 486.5MB. Free memory was 218.5MB in the beginning and 278.3MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:53:47,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed050726-b36e-458c-a18c-3588e08b0b23/bin/ukojak-verify-CZk0znPC7b/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