./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:30,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:30,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:34:30,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:30,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:30,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:30,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:30,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:30,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:30,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:30,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:30,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:30,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:30,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:30,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:30,892 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:34:30,892 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:34:30,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:30,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:30,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:30,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:30,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:30,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:30,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:30,897 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:30,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:30,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:30,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:30,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:30,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:30,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:30,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:30,901 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_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2023-11-19 03:34:31,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:31,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:31,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:31,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:31,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:31,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-11-19 03:34:34,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:34,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:34,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-11-19 03:34:34,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/data/84890c9a1/7ba5fb59365c4ec7a4526b24cacea842/FLAGc7eaced06 [2023-11-19 03:34:34,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/data/84890c9a1/7ba5fb59365c4ec7a4526b24cacea842 [2023-11-19 03:34:34,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:34,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:34,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:34,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:34,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:34,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:34" (1/1) ... [2023-11-19 03:34:34,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea1d2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:34, skipping insertion in model container [2023-11-19 03:34:34,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:34" (1/1) ... [2023-11-19 03:34:35,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:35,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:35,846 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:35,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:36,050 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:36,059 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:36,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36 WrapperNode [2023-11-19 03:34:36,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:36,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:36,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:36,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:36,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,229 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-11-19 03:34:36,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:36,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:36,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:36,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:36,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:36,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:36,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:36,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:36,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:36" (1/1) ... [2023-11-19 03:34:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:36,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:36,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:36,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338ebab5-5625-4aad-9624-277545f0fd9b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:34:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:34:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:34:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:34:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:36,825 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:36,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:38,697 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:40,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:40,817 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:34:40,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:40 BoogieIcfgContainer [2023-11-19 03:34:40,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:40,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:40,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:40,843 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:40,843 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:40" (1/1) ... [2023-11-19 03:34:40,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-11-19 03:34:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-11-19 03:34:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:34:40,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-11-19 03:34:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-11-19 03:34:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:34:41,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-11-19 03:34:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-11-19 03:34:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:34:41,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:41,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:41,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-11-19 03:34:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-11-19 03:34:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:41,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:42,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-11-19 03:34:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-11-19 03:34:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:34:42,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:42,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-11-19 03:34:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-11-19 03:34:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:34:42,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:42,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:42,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:46,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-11-19 03:34:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-11-19 03:34:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:34:46,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:46,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:46,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:46,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:56,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:35:06,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:35:16,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:35:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 138 states and 214 transitions. [2023-11-19 03:35:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 214 transitions. [2023-11-19 03:35:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:35:16,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:17,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:17,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2023-11-19 03:35:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2023-11-19 03:35:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:35:17,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:17,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:17,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:17,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2023-11-19 03:35:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2023-11-19 03:35:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:35:17,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:17,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:18,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:18,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:18,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:35:18,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 03:35:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 140 states and 213 transitions. [2023-11-19 03:35:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 213 transitions. [2023-11-19 03:35:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:35:18,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:18,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:18,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 139 states and 208 transitions. [2023-11-19 03:35:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 208 transitions. [2023-11-19 03:35:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:35:18,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:18,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:18,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 139 states and 204 transitions. [2023-11-19 03:35:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2023-11-19 03:35:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:35:18,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:18,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:19,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:19,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 139 states and 202 transitions. [2023-11-19 03:35:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2023-11-19 03:35:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:35:19,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:19,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:19,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:35:19,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:29,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:35:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 139 states and 200 transitions. [2023-11-19 03:35:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 200 transitions. [2023-11-19 03:35:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:35:29,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:29,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:29,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:29,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.