./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.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_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/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_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/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_01b7f6f1-139b-436e-bf4b-ef460223965d/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:51,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:51,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:54:51,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:51,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:52,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:52,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:52,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:52,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:52,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:52,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:52,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:52,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:52,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:52,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:52,044 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:52,044 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:52,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:52,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:52,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:52,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:52,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:52,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:52,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:52,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:52,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:52,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:52,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:52,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:52,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:52,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:52,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:52,055 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_01b7f6f1-139b-436e-bf4b-ef460223965d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2023-11-24 22:54:52,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:52,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:52,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:52,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:52,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:52,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2023-11-24 22:54:56,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:56,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:56,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2023-11-24 22:54:56,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/data/5d5817e8b/2bd56782e9ba414095e065f46078ac6f/FLAGda7725ca2 [2023-11-24 22:54:56,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/data/5d5817e8b/2bd56782e9ba414095e065f46078ac6f [2023-11-24 22:54:56,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:56,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:56,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:56,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:56,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:56,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:56" (1/1) ... [2023-11-24 22:54:56,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbdb15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:56, skipping insertion in model container [2023-11-24 22:54:56,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:56" (1/1) ... [2023-11-24 22:54:56,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:57,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:57,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:57,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:57,752 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:57,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57 WrapperNode [2023-11-24 22:54:57,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:57,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:57,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:57,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:57,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,867 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 1030 [2023-11-24 22:54:57,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:57,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:57,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:57,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:57,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:57,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:58,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:58,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:58,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:58,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:58,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:58,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:57" (1/1) ... [2023-11-24 22:54:58,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:58,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:58,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:58,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b7f6f1-139b-436e-bf4b-ef460223965d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:54:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:58,438 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:58,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:59,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:00,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:00,785 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-24 22:55:00,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:00 BoogieIcfgContainer [2023-11-24 22:55:00,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:00,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:00,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:00,799 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:00,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 140 states and 220 transitions. [2023-11-24 22:55:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-24 22:55:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:00,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,136 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 22:55:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 141 states and 222 transitions. [2023-11-24 22:55:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2023-11-24 22:55:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:01,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,411 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 22:55:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 141 states and 220 transitions. [2023-11-24 22:55:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-24 22:55:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:01,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,605 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 22:55:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2023-11-24 22:55:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-24 22:55:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:01,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,783 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 22:55:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2023-11-24 22:55:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-11-24 22:55:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:55:01,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:02,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:02,100 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 22:55:12,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 141 states and 204 transitions. [2023-11-24 22:55:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2023-11-24 22:55:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:12,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:12,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:12,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:22,939 WARN L539 Checker$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 22:55:32,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:43,003 WARN L539 Checker$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 22:55:53,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:55,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 168 states and 237 transitions. [2023-11-24 22:55:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 237 transitions. [2023-11-24 22:55:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:55:55,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:55,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:55,869 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 22:55:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 168 states and 235 transitions. [2023-11-24 22:55:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 235 transitions. [2023-11-24 22:55:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:55:55,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:56,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:56,140 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 22:55:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 168 states and 233 transitions. [2023-11-24 22:55:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2023-11-24 22:55:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:55:56,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:56,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.