./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:32,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:32,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:07:32,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:32,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:32,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:32,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:32,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:32,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:32,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:32,757 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:32,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:32,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:32,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:32,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:32,762 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:07:32,763 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:07:32,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:32,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:32,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:32,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:32,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:32,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:32,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:32,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:32,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:32,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:32,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:32,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:32,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:32,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:32,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:32,776 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_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 [2023-11-19 04:07:33,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:33,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:33,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:33,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:33,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:33,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2023-11-19 04:07:36,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:37,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:37,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2023-11-19 04:07:37,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/data/cda9f818e/efda6f86424242b8aa88ea2d2d1cd671/FLAGcbc6fb06e [2023-11-19 04:07:37,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/data/cda9f818e/efda6f86424242b8aa88ea2d2d1cd671 [2023-11-19 04:07:37,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:37,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:37,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:37,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:37,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:37,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:37" (1/1) ... [2023-11-19 04:07:37,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbb7395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:37, skipping insertion in model container [2023-11-19 04:07:37,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:37" (1/1) ... [2023-11-19 04:07:37,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:38,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:38,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:38,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:38,316 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:38,323 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:38,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38 WrapperNode [2023-11-19 04:07:38,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:38,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:38,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:38,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:38,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,491 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-19 04:07:38,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:38,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:38,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:38,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:38,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:38,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:38,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:38,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:38,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:38" (1/1) ... [2023-11-19 04:07:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:38,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:38,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:07:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:07:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:07:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:39,292 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:39,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:41,637 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:43,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:43,906 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 04:07:43,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:43 BoogieIcfgContainer [2023-11-19 04:07:43,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:43,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:43,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:43,939 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:43,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-19 04:07:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-19 04:07:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:07:44,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-19 04:07:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-19 04:07:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:07:44,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-19 04:07:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-19 04:07:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:07:44,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:44,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-19 04:07:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-19 04:07:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:44,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:44,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-19 04:07:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-19 04:07:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:07:44,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:45,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:45,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-19 04:07:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-19 04:07:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:07:45,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:45,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:45,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-19 04:07:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-19 04:07:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:07:46,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:07:46,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:56,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:06,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:08,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-19 04:08:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-19 04:08:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:08:09,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:09,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:09,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 337 states and 487 transitions. [2023-11-19 04:08:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 487 transitions. [2023-11-19 04:08:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:08:09,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:09,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:09,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:09,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 337 states and 485 transitions. [2023-11-19 04:08:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-19 04:08:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:08:09,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:09,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:09,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:19,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 337 states and 483 transitions. [2023-11-19 04:08:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 483 transitions. [2023-11-19 04:08:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:08:19,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:20,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 340 states and 485 transitions. [2023-11-19 04:08:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 485 transitions. [2023-11-19 04:08:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:08:21,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 341 states and 486 transitions. [2023-11-19 04:08:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 486 transitions. [2023-11-19 04:08:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:24,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:08:35,182 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:488) 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) [2023-11-19 04:08:35,186 INFO L158 Benchmark]: Toolchain (without parser) took 57920.72ms. Allocated memory was 155.2MB in the beginning and 415.2MB in the end (delta: 260.0MB). Free memory was 113.2MB in the beginning and 190.8MB in the end (delta: -77.6MB). Peak memory consumption was 183.4MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,187 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:35,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.98ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 80.2MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.43ms. Allocated memory is still 155.2MB. Free memory was 80.2MB in the beginning and 70.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,189 INFO L158 Benchmark]: Boogie Preprocessor took 322.08ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 182.2MB in the end (delta: -112.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,190 INFO L158 Benchmark]: RCFGBuilder took 5108.97ms. Allocated memory was 220.2MB in the beginning and 297.8MB in the end (delta: 77.6MB). Free memory was 182.1MB in the beginning and 242.3MB in the end (delta: -60.1MB). Peak memory consumption was 161.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,191 INFO L158 Benchmark]: CodeCheck took 51258.42ms. Allocated memory was 297.8MB in the beginning and 415.2MB in the end (delta: 117.4MB). Free memory was 242.3MB in the beginning and 190.8MB in the end (delta: 51.5MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,196 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.98ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 80.2MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.43ms. Allocated memory is still 155.2MB. Free memory was 80.2MB in the beginning and 70.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 322.08ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 182.2MB in the end (delta: -112.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5108.97ms. Allocated memory was 220.2MB in the beginning and 297.8MB in the end (delta: 77.6MB). Free memory was 182.1MB in the beginning and 242.3MB in the end (delta: -60.1MB). Peak memory consumption was 161.0MB. Max. memory is 16.1GB. * CodeCheck took 51258.42ms. Allocated memory was 297.8MB in the beginning and 415.2MB in the end (delta: 117.4MB). Free memory was 242.3MB in the beginning and 190.8MB in the end (delta: 51.5MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:35,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef2d3ac-2b1e-4b7f-a1d0-cd89493cfdf4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...