./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/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_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:51:24,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:51:24,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-09 00:51:24,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:51:24,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:51:24,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:51:24,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:51:24,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:51:24,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:51:24,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:51:24,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:51:24,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:51:24,260 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:51:24,261 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:51:24,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:51:24,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:51:24,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:51:24,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:51:24,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:51:24,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:51:24,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:51:24,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:51:24,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:24,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:51:24,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:51:24,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:51:24,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:51:24,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-09 00:51:24,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:51:24,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:51:24,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:51:24,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:51:24,576 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:51:24,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 00:51:26,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:27,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:27,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-09 00:51:27,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/fe2ecb603/246318e0cc0d409eb81b06ca4df19d70/FLAGe087e7296 [2024-11-09 00:51:27,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/fe2ecb603/246318e0cc0d409eb81b06ca4df19d70 [2024-11-09 00:51:27,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:27,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:27,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:27,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:27,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:27,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:27" (1/1) ... [2024-11-09 00:51:27,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a772b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:27, skipping insertion in model container [2024-11-09 00:51:27,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:27" (1/1) ... [2024-11-09 00:51:27,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:28,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:28,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:28,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:28,404 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:28,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28 WrapperNode [2024-11-09 00:51:28,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:28,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:28,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:28,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:28,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,662 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 5027 [2024-11-09 00:51:28,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:28,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:28,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:28,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:28,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:28,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:28,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:28,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:28,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:28" (1/1) ... [2024-11-09 00:51:28,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:28,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:28,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:28,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:51:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:51:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:51:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:29,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:29,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:43,994 INFO L? ?]: Removed 3655 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:43,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:46,747 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:46,751 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:51:46,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:46 BoogieIcfgContainer [2024-11-09 00:51:46,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:46,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:46,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:46,767 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:46,767 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:46" (1/1) ... [2024-11-09 00:51:46,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-11-09 00:51:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-11-09 00:51:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:51:46,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:58,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:51:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-11-09 00:51:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-11-09 00:51:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:51:58,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:09,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-11-09 00:52:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-11-09 00:52:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:52:09,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:09,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-11-09 00:52:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-11-09 00:52:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:52:09,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-11-09 00:52:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-11-09 00:52:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:52:10,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:10,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:20,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-11-09 00:52:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-11-09 00:52:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:52:21,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:31,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-11-09 00:52:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-11-09 00:52:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:52:32,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-11-09 00:52:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-11-09 00:52:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:52:33,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:33,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-11-09 00:52:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-11-09 00:52:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:52:34,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-11-09 00:52:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-11-09 00:52:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:52:35,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:35,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-11-09 00:52:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-11-09 00:52:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:52:36,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:37,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:52:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:47,555 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:52:47,558 INFO L158 Benchmark]: Toolchain (without parser) took 80491.81ms. Allocated memory was 146.8MB in the beginning and 541.1MB in the end (delta: 394.3MB). Free memory was 105.6MB in the beginning and 208.0MB in the end (delta: -102.4MB). Peak memory consumption was 296.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,559 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:47,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.17ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 105.2MB in the beginning and 137.2MB in the end (delta: -32.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.56ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 114.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,562 INFO L158 Benchmark]: Boogie Preprocessor took 279.54ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 91.2MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,563 INFO L158 Benchmark]: RCFGBuilder took 17808.56ms. Allocated memory was 184.5MB in the beginning and 360.7MB in the end (delta: 176.2MB). Free memory was 91.2MB in the beginning and 187.4MB in the end (delta: -96.2MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,565 INFO L158 Benchmark]: CodeCheck took 60804.77ms. Allocated memory was 360.7MB in the beginning and 541.1MB in the end (delta: 180.4MB). Free memory was 187.4MB in the beginning and 208.0MB in the end (delta: -20.6MB). Peak memory consumption was 160.8MB. Max. memory is 16.1GB. [2024-11-09 00:52:47,569 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 0.32ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.17ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 105.2MB in the beginning and 137.2MB in the end (delta: -32.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.56ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 114.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 279.54ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 91.2MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 17808.56ms. Allocated memory was 184.5MB in the beginning and 360.7MB in the end (delta: 176.2MB). Free memory was 91.2MB in the beginning and 187.4MB in the end (delta: -96.2MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. * CodeCheck took 60804.77ms. Allocated memory was 360.7MB in the beginning and 541.1MB in the end (delta: 180.4MB). Free memory was 187.4MB in the beginning and 208.0MB in the end (delta: -20.6MB). Peak memory consumption was 160.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:52:47,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/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_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:50,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:50,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-11-09 00:52:50,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:50,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:50,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:50,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:50,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:52:50,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:50,474 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:52:50,474 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:52:50,475 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:52:50,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:50,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:52:50,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:52:50,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:50,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:52:50,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:52:50,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:50,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:50,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:50,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:50,487 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:50,487 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:52:50,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:50,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:50,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:50,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:50,489 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:52:50,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:50,492 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:52:50,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-09 00:52:50,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:50,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:50,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:50,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:50,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:50,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 00:52:53,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:53,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:53,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-09 00:52:53,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/4e4bd82c5/ee817710fd024aa989dbbf9f05c93749/FLAG1fd9a3303 [2024-11-09 00:52:53,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/data/4e4bd82c5/ee817710fd024aa989dbbf9f05c93749 [2024-11-09 00:52:53,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:53,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:53,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:53,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:53,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:53,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:53" (1/1) ... [2024-11-09 00:52:53,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4934ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:53, skipping insertion in model container [2024-11-09 00:52:53,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:53" (1/1) ... [2024-11-09 00:52:53,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:54,532 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,537 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,542 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,543 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,544 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,548 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,549 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,553 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,553 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,557 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,590 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,591 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,593 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,596 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,598 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,605 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,606 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,607 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,614 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,630 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,632 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,633 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,636 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,638 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,639 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,643 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,645 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,646 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,647 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,650 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,656 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,683 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,684 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,684 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,685 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,689 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,690 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,725 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,762 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:52:54,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:54,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:55,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:55,117 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:55,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55 WrapperNode [2024-11-09 00:52:55,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:55,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:55,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:55,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:55,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,325 INFO L138 Inliner]: procedures = 122, calls = 369, calls flagged for inlining = 160, calls inlined = 562, statements flattened = 4708 [2024-11-09 00:52:55,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:55,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:55,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:55,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:55,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:55,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:55,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:55,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:55,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:55" (1/1) ... [2024-11-09 00:52:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:55,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:55,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 00:52:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-09 00:52:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:52:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 00:52:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 00:52:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 00:52:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:52:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:52:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:52:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:56,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:56,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:20,946 INFO L? ?]: Removed 3647 outVars from TransFormulas that were not future-live. [2024-11-09 00:53:20,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:23,999 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:53:23,999 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:53:24,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:24 BoogieIcfgContainer [2024-11-09 00:53:24,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:53:24,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:53:24,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:53:24,017 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:53:24,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:24,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:53:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 931 states and 1126 transitions. [2024-11-09 00:53:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1126 transitions. [2024-11-09 00:53:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:53:24,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:24,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:24,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:24,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:24,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:53:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:25,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:25,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:53:25,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:26,207 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:53:26,209 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-09 00:53:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:53:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:53:26,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-09 00:53:26,314 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:53:26,316 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-09 00:53:26,426 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:53:26,426 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-09 00:53:26,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-09 00:53:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:26,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:53:36,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 930 states and 1125 transitions. [2024-11-09 00:53:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1125 transitions. [2024-11-09 00:53:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:53:36,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:36,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:53:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:38,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:38,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:53:38,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:38,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 00:53:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:53:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:53:38,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-09 00:53:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:38,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:53:49,246 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 [] [2024-11-09 00:53:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 929 states and 1124 transitions. [2024-11-09 00:53:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1124 transitions. [2024-11-09 00:53:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:53:49,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:49,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:49,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:49,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:53:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:50,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:50,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:53:50,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:50,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:53:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 935 states and 1165 transitions. [2024-11-09 00:53:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1165 transitions. [2024-11-09 00:53:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:53:51,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:51,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:51,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:51,416 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:51,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:53:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:52,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:52,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:53:52,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:52,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:53:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 940 states and 1199 transitions. [2024-11-09 00:53:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1199 transitions. [2024-11-09 00:53:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:53:53,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:53,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:53,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:53,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:53:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:55,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:55,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:53:55,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:55,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:54:06,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 945 states and 1236 transitions. [2024-11-09 00:54:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1236 transitions. [2024-11-09 00:54:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:08,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:08,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:08,953 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:08,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:54:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:10,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:10,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:54:10,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:10,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:54:21,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2024-11-09 00:54:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2024-11-09 00:54:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:54:25,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:25,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:25,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:25,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:25,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:54:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:26,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:26,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:54:26,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:27,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 952 states and 1277 transitions. [2024-11-09 00:54:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1277 transitions. [2024-11-09 00:54:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:54:29,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:29,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:29,157 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:29,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:54:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:30,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:30,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:54:30,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:31,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 953 states and 1278 transitions. [2024-11-09 00:54:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1278 transitions. [2024-11-09 00:54:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:54:33,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:33,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:33,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:33,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:54:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:35,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:35,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:54:35,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:35,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 954 states and 1279 transitions. [2024-11-09 00:54:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1279 transitions. [2024-11-09 00:54:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:54:37,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:37,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:37,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:37,867 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:37,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:54:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:39,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:39,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:54:39,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:40,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 955 states and 1280 transitions. [2024-11-09 00:54:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1280 transitions. [2024-11-09 00:54:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:54:42,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:42,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:42,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:42,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:42,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:54:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:54:44,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:54:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:54:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:54:56,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:54:56,343 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:54:56,348 INFO L158 Benchmark]: Toolchain (without parser) took 122532.33ms. Allocated memory was 77.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 50.1MB in the beginning and 669.8MB in the end (delta: -619.7MB). Peak memory consumption was 492.5MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,348 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:54:56,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.79ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 49.9MB in the beginning and 66.8MB in the end (delta: -16.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.83ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 45.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,351 INFO L158 Benchmark]: Boogie Preprocessor took 273.88ms. Allocated memory is still 100.7MB. Free memory was 45.4MB in the beginning and 40.8MB in the end (delta: 4.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,352 INFO L158 Benchmark]: RCFGBuilder took 28400.58ms. Allocated memory was 100.7MB in the beginning and 620.8MB in the end (delta: 520.1MB). Free memory was 40.8MB in the beginning and 458.9MB in the end (delta: -418.1MB). Peak memory consumption was 172.6MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,352 INFO L158 Benchmark]: CodeCheck took 92343.35ms. Allocated memory was 620.8MB in the beginning and 1.2GB in the end (delta: 568.3MB). Free memory was 458.9MB in the beginning and 669.8MB in the end (delta: -210.9MB). Peak memory consumption was 356.5MB. Max. memory is 16.1GB. [2024-11-09 00:54:56,356 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 0.39ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.79ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 49.9MB in the beginning and 66.8MB in the end (delta: -16.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.83ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 45.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 273.88ms. Allocated memory is still 100.7MB. Free memory was 45.4MB in the beginning and 40.8MB in the end (delta: 4.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 28400.58ms. Allocated memory was 100.7MB in the beginning and 620.8MB in the end (delta: 520.1MB). Free memory was 40.8MB in the beginning and 458.9MB in the end (delta: -418.1MB). Peak memory consumption was 172.6MB. Max. memory is 16.1GB. * CodeCheck took 92343.35ms. Allocated memory was 620.8MB in the beginning and 1.2GB in the end (delta: 568.3MB). Free memory was 458.9MB in the beginning and 669.8MB in the end (delta: -210.9MB). Peak memory consumption was 356.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:54:56,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c39a01-eb62-4796-a152-210e9e13a879/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown