./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.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_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/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_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/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_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/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 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:21,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:21,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:41:21,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:21,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:21,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:21,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:21,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:21,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:21,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:21,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:21,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:21,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:21,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:21,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:21,806 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:41:21,807 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:41:21,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:21,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:21,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:41:21,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:21,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:21,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:21,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:21,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:21,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:21,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:21,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:21,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:21,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:21,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:21,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:21,816 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_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2023-11-19 02:41:22,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:22,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:22,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:22,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:22,186 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:22,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-19 02:41:25,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:25,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:25,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-19 02:41:25,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/data/bbf09e1b7/34ac42f0621d4da1b2619a8e0f242631/FLAG2e05a26c3 [2023-11-19 02:41:25,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/data/bbf09e1b7/34ac42f0621d4da1b2619a8e0f242631 [2023-11-19 02:41:25,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:25,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:25,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:25,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:25,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:25,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:25" (1/1) ... [2023-11-19 02:41:25,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a5a7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:25, skipping insertion in model container [2023-11-19 02:41:25,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:25" (1/1) ... [2023-11-19 02:41:26,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:26,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:26,884 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:27,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:27,085 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:41:27,093 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:27,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27 WrapperNode [2023-11-19 02:41:27,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:27,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:27,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:27,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:27,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,256 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1725 [2023-11-19 02:41:27,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:27,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:27,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:27,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:27,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:27,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:27,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:27,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:27,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:27" (1/1) ... [2023-11-19 02:41:27,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:27,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:27,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:27,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0f7814-8c7f-4ecf-aa3c-a7a1829bf1b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:41:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:41:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:41:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:41:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:41:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:41:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:41:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:41:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:27,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:27,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:29,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:31,890 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:31,891 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:41:31,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:31 BoogieIcfgContainer [2023-11-19 02:41:31,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:31,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:31,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:31,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:31,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:31" (1/1) ... [2023-11-19 02:41:31,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2023-11-19 02:41:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2023-11-19 02:41:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:41:32,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,297 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 02:41:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 208 states and 325 transitions. [2023-11-19 02:41:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-11-19 02:41:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:41:32,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,574 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 02:41:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 210 states and 328 transitions. [2023-11-19 02:41:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 328 transitions. [2023-11-19 02:41:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:41:32,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,799 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 02:41:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 209 states and 317 transitions. [2023-11-19 02:41:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 317 transitions. [2023-11-19 02:41:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:41:32,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:33,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:33,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:33,047 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 02:41:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 315 transitions. [2023-11-19 02:41:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 315 transitions. [2023-11-19 02:41:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:33,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:33,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:33,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:33,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:33,238 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 02:41:43,268 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 02:41:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 209 states and 313 transitions. [2023-11-19 02:41:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 313 transitions. [2023-11-19 02:41:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:41:43,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:44,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:41:44,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:44,322 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 02:41:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 206 states and 310 transitions. [2023-11-19 02:41:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 310 transitions. [2023-11-19 02:41:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:41:44,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:44,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:44,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:44,807 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 02:41:55,058 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 02:41:58,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 224 states and 332 transitions. [2023-11-19 02:41:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 332 transitions. [2023-11-19 02:41:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:41:58,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:58,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:58,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:58,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:58,947 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 02:41:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 223 states and 319 transitions. [2023-11-19 02:41:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 319 transitions. [2023-11-19 02:41:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:41:59,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:59,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:59,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:59,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:59,347 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 02:41:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 223 states and 318 transitions. [2023-11-19 02:41:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 318 transitions. [2023-11-19 02:41:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:41:59,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:59,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:59,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:59,788 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 02:41:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 217 states and 309 transitions. [2023-11-19 02:41:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 309 transitions. [2023-11-19 02:41:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:41:59,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:59,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:00,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:00,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:42:10,039 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 02:42:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 217 states and 307 transitions. [2023-11-19 02:42:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 307 transitions. [2023-11-19 02:42:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:42:10,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:10,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:10,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:42:10,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:10,503 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 02:42:21,157 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 []