./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.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_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/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_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/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_8387177e-2ead-4fcb-aac5-2269837e3619/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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:58,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:58,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:58:58,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:58,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:58,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:58,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:58,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:58,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:58,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:58,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:58,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:58,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:58,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:58,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:58,815 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:58:58,815 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:58:58,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:58,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:58,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:58,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:58,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:58,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:58,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:58,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:58,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:58,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:58,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:58,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:58,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:58,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:58,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:58,823 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_8387177e-2ead-4fcb-aac5-2269837e3619/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2023-11-19 03:58:59,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:59,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:59,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:59,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:59,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:59,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-19 03:59:02,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:02,781 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:02,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-19 03:59:02,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/data/c75dc0524/71baa16824b542b485e2b61c3922e5dd/FLAG806c6af8b [2023-11-19 03:59:02,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/data/c75dc0524/71baa16824b542b485e2b61c3922e5dd [2023-11-19 03:59:02,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:02,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:02,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:02,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:02,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:02,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:02" (1/1) ... [2023-11-19 03:59:02,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e1d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:02, skipping insertion in model container [2023-11-19 03:59:02,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:02" (1/1) ... [2023-11-19 03:59:02,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:03,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:03,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:04,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:04,086 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:04,094 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:04,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04 WrapperNode [2023-11-19 03:59:04,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:04,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:04,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:04,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:04,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,470 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6370 [2023-11-19 03:59:04,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:04,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:04,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:04,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:04,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:04,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:04,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:04,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:04,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:04,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:04,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:04,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8387177e-2ead-4fcb-aac5-2269837e3619/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:59:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:59:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:59:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:59:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:05,118 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:05,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:09,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:12,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:12,776 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:59:12,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:12 BoogieIcfgContainer [2023-11-19 03:59:12,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:12,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:12,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:12,818 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:12,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:12" (1/1) ... [2023-11-19 03:59:12,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-11-19 03:59:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-11-19 03:59:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:12,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,215 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 03:59:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-11-19 03:59:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-11-19 03:59:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:59:13,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,527 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 03:59:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-11-19 03:59:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-11-19 03:59:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:13,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:13,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:13,716 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 03:59:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-11-19 03:59:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-11-19 03:59:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:59:13,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:13,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:13,838 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 03:59:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-11-19 03:59:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-11-19 03:59:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:13,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:13,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:13,977 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 03:59:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-11-19 03:59:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-11-19 03:59:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:59:14,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:14,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:14,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:14,257 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 03:59:24,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 3615 states and 5178 transitions. [2023-11-19 03:59:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5178 transitions. [2023-11-19 03:59:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:24,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:24,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:24,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:35,039 WARN L539 Checker$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 03:59:45,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:55,060 WARN L539 Checker$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 03:59:56,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3628 states and 5193 transitions. [2023-11-19 03:59:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5193 transitions. [2023-11-19 03:59:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:56,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:56,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:56,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:56,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:56,433 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 03:59:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-11-19 03:59:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-11-19 03:59:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:59:56,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:56,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:56,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:56,715 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 03:59:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-11-19 03:59:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-11-19 03:59:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:59:56,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:57,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:57,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.