./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/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_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/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_38f8efdd-e15a-485b-99cb-48d2cbbdba80/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 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:26,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:27,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:09:27,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:27,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:27,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:27,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:27,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:27,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:27,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:27,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:27,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:27,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:27,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:27,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:27,147 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:09:27,148 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:09:27,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:27,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:27,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:27,150 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:27,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:27,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:27,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:27,152 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:27,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:27,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:27,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:27,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:27,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:27,156 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:27,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:27,157 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_38f8efdd-e15a-485b-99cb-48d2cbbdba80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2023-11-24 23:09:27,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:27,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:27,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:27,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:27,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:27,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test3-1.i [2023-11-24 23:09:30,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:31,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:31,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test3-1.i [2023-11-24 23:09:31,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/data/a1be400a4/69e0256405e04238bbabc1f7c931496a/FLAG725dc533d [2023-11-24 23:09:31,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/data/a1be400a4/69e0256405e04238bbabc1f7c931496a [2023-11-24 23:09:31,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:31,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:31,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:31,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:31,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:31,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c43a6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31, skipping insertion in model container [2023-11-24 23:09:31,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:31,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:31,884 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:32,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:32,071 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:32,079 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:32,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32 WrapperNode [2023-11-24 23:09:32,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:32,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:32,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:32,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:32,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,240 INFO L138 Inliner]: procedures = 177, calls = 282, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 1364 [2023-11-24 23:09:32,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:32,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:32,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:32,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:32,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:32,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:32,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:32,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:32,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:32" (1/1) ... [2023-11-24 23:09:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:32,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:09:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:09:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:32,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f8efdd-e15a-485b-99cb-48d2cbbdba80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:32,911 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:32,913 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:34,492 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:36,301 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:36,301 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 23:09:36,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:36 BoogieIcfgContainer [2023-11-24 23:09:36,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:36,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:36,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:36,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:36,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:36" (1/1) ... [2023-11-24 23:09:36,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 207 transitions. [2023-11-24 23:09:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2023-11-24 23:09:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:36,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,714 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 23:09:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2023-11-24 23:09:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-24 23:09:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:36,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,874 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 23:09:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2023-11-24 23:09:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2023-11-24 23:09:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:36,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,109 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 23:09:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 218 transitions. [2023-11-24 23:09:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2023-11-24 23:09:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:37,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,380 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 23:09:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 135 states and 226 transitions. [2023-11-24 23:09:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2023-11-24 23:09:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:37,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,761 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 23:09:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2023-11-24 23:09:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2023-11-24 23:09:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:09:37,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 219 transitions. [2023-11-24 23:09:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2023-11-24 23:09:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:09:37,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,980 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 23:09:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 134 states and 215 transitions. [2023-11-24 23:09:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 215 transitions. [2023-11-24 23:09:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:37,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2023-11-24 23:09:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-24 23:09:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:38,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,150 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 23:09:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 134 states and 209 transitions. [2023-11-24 23:09:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 209 transitions. [2023-11-24 23:09:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:38,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2023-11-24 23:09:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2023-11-24 23:09:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:38,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,344 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 23:09:48,369 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 23:09:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 134 states and 201 transitions. [2023-11-24 23:09:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-11-24 23:09:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:48,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:48,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,588 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 23:09:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 210 transitions. [2023-11-24 23:09:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2023-11-24 23:09:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:50,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:50,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:50,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:00,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 139 states and 204 transitions. [2023-11-24 23:10:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2023-11-24 23:10:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:10:01,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:01,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:01,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:11,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:21,690 WARN L539 Checker$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 23:10:31,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []