./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi --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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:42,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:42,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:55:42,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:42,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:42,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:42,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:42,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:42,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:42,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:42,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:42,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:42,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:42,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:42,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:42,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:55:42,416 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:55:42,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:42,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:42,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:42,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:42,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:42,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:42,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:42,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:42,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:42,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:42,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:42,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:42,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:42,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:42,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:42,426 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_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-11-24 22:55:42,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:42,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:42,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:42,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:42,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:42,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-11-24 22:55:46,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:46,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:46,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2023-11-24 22:55:46,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/data/dd2c4adaf/702fc9d8165f41899b0d29b2cf7bebd7/FLAGa0d693ae7 [2023-11-24 22:55:46,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/data/dd2c4adaf/702fc9d8165f41899b0d29b2cf7bebd7 [2023-11-24 22:55:46,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:46,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:46,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:46,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:46,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:46,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd09bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:46, skipping insertion in model container [2023-11-24 22:55:46,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:47,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:47,552 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:47,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:47,782 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:47,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47 WrapperNode [2023-11-24 22:55:47,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:47,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:47,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:47,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:47,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:47,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:47,975 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1803 [2023-11-24 22:55:47,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:47,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:47,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:47,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:48,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:48,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:48,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:48,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:48,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:48,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:48,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:48,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:48,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33e5f4a8-9f33-4332-be82-d26110bc0c24/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:48,721 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:48,724 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:51,118 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:52,951 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:52,952 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-24 22:55:52,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:52 BoogieIcfgContainer [2023-11-24 22:55:52,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:52,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:52,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:52,966 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:52,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:52" (1/1) ... [2023-11-24 22:55:52,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 136 states and 237 transitions. [2023-11-24 22:55:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2023-11-24 22:55:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:53,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2023-11-24 22:55:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2023-11-24 22:55:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:53,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 246 transitions. [2023-11-24 22:55:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2023-11-24 22:55:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:53,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 247 transitions. [2023-11-24 22:55:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 247 transitions. [2023-11-24 22:55:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:53,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2023-11-24 22:55:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2023-11-24 22:55:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:54,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:54,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:54,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 239 transitions. [2023-11-24 22:55:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2023-11-24 22:55:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:54,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 246 transitions. [2023-11-24 22:55:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2023-11-24 22:55:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:55,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:55,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 144 states and 238 transitions. [2023-11-24 22:55:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2023-11-24 22:55:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:55,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:55,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 144 states and 226 transitions. [2023-11-24 22:55:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2023-11-24 22:55:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:55:55,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:55,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:05,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:15,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 144 states and 214 transitions. [2023-11-24 22:56:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2023-11-24 22:56:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:56:15,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:16,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:16,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:26,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:36,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:46,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []