./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.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_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/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_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/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_7bc565b0-ca04-4702-a66f-380dbf1fbf80/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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:32,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:32,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:11:32,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:32,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:33,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:33,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:33,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:33,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:33,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:33,050 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:33,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:33,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:33,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:33,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:33,054 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:11:33,054 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:11:33,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:33,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:33,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:33,056 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:33,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:33,057 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:33,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:33,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:33,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:33,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:33,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:33,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:33,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:33,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:33,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:33,065 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_7bc565b0-ca04-4702-a66f-380dbf1fbf80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2023-11-24 22:11:33,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:33,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:33,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:33,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:33,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:33,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2023-11-24 22:11:36,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:37,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:37,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2023-11-24 22:11:37,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/data/e4ab828ca/c2e6334735ba4b489a082f55409bff3a/FLAGb34946f63 [2023-11-24 22:11:37,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/data/e4ab828ca/c2e6334735ba4b489a082f55409bff3a [2023-11-24 22:11:37,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:37,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:37,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:37,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:37,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:37,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:37" (1/1) ... [2023-11-24 22:11:37,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f318fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:37, skipping insertion in model container [2023-11-24 22:11:37,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:37" (1/1) ... [2023-11-24 22:11:37,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:37,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:37,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:38,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:38,051 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:38,059 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:38,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38 WrapperNode [2023-11-24 22:11:38,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:38,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:38,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:38,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:38,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,221 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-24 22:11:38,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:38,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:38,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:38,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:38,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:38,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:38,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:38,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:38,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:38,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:38,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc565b0-ca04-4702-a66f-380dbf1fbf80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:11:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:11:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:11:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:38,691 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:38,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:40,703 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:42,620 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:42,620 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-24 22:11:42,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:42 BoogieIcfgContainer [2023-11-24 22:11:42,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:42,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:42,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:42,634 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:42,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-24 22:11:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-24 22:11:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:11:42,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:42,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:42,888 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 22:11:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-24 22:11:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-24 22:11:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:11:42,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:42,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,157 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 22:11:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-24 22:11:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-24 22:11:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:11:43,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,336 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 22:11:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-24 22:11:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-24 22:11:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:11:43,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,501 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 22:11:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-24 22:11:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-24 22:11:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:11:43,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,649 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 22:11:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-24 22:11:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-24 22:11:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:11:43,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,904 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 22:11:53,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:11:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-24 22:11:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-24 22:11:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:11:54,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:54,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:11:54,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:04,708 WARN L539 Checker$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 22:12:14,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:12:24,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:12:34,804 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 22:12:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-24 22:12:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-24 22:12:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:12:34,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:35,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:35,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:35,094 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 22:12:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 337 states and 487 transitions. [2023-11-24 22:12:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 487 transitions. [2023-11-24 22:12:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:12:35,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:35,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:35,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:35,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:35,341 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 22:12:35,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 337 states and 485 transitions. [2023-11-24 22:12:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-24 22:12:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:12:35,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:35,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:35,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:35,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.