./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.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_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/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_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/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_049bd9dc-a519-4032-afae-b9c93b58051a/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 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:55,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:55,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:44:55,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:55,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:55,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:55,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:55,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:55,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:55,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:55,991 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:55,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:55,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:55,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:55,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:55,994 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:44:55,995 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:44:55,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:55,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:55,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:55,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:55,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:55,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:55,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:55,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:55,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:55,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:56,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:56,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:56,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:56,003 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:56,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:56,003 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_049bd9dc-a519-4032-afae-b9c93b58051a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 [2023-11-19 02:44:56,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:56,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:56,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:56,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:56,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:56,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2023-11-19 02:44:59,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:00,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:00,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2023-11-19 02:45:00,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/data/0ecaa5587/74c63e7235a548e19d70fcad5617a5e6/FLAG615f15f47 [2023-11-19 02:45:00,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/data/0ecaa5587/74c63e7235a548e19d70fcad5617a5e6 [2023-11-19 02:45:00,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:00,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:00,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:00,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:00,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:00,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edc59c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00, skipping insertion in model container [2023-11-19 02:45:00,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:01,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:01,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:01,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:01,309 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:01,317 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:01,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01 WrapperNode [2023-11-19 02:45:01,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:01,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:01,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:01,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:01,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,477 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1958 [2023-11-19 02:45:01,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:01,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:01,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:01,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:01,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:01,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:01,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:01,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:01,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:01,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:01,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:01,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049bd9dc-a519-4032-afae-b9c93b58051a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:45:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:45:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:45:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:45:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:45:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:45:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:02,023 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:02,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:04,325 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:06,847 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:06,847 INFO L302 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-19 02:45:06,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:06 BoogieIcfgContainer [2023-11-19 02:45:06,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:06,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:06,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:06,869 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:06,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 176 states and 298 transitions. [2023-11-19 02:45:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2023-11-19 02:45:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:45:06,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:06,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,148 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 02:45:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 177 states and 300 transitions. [2023-11-19 02:45:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 300 transitions. [2023-11-19 02:45:07,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:45:07,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:07,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:07,402 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 02:45:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 177 states and 296 transitions. [2023-11-19 02:45:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 296 transitions. [2023-11-19 02:45:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:45:07,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:07,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:07,506 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 02:45:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-11-19 02:45:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-11-19 02:45:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:45:07,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:07,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:07,678 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 02:45:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-19 02:45:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-19 02:45:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:45:07,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:07,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:07,987 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 02:45:18,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:45:28,069 WARN L539 Checker$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 02:45:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 177 states and 262 transitions. [2023-11-19 02:45:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-19 02:45:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:45:28,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:28,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:45:28,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2023-11-19 02:45:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-19 02:45:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:45:28,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:29,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:29,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 177 states and 257 transitions. [2023-11-19 02:45:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2023-11-19 02:45:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:45:29,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:29,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:29,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 177 states and 253 transitions. [2023-11-19 02:45:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2023-11-19 02:45:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:45:29,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:29,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:30,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:30,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 177 states and 251 transitions. [2023-11-19 02:45:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2023-11-19 02:45:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:45:30,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:30,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:30,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:40,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:45:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 177 states and 249 transitions. [2023-11-19 02:45:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 249 transitions. [2023-11-19 02:45:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:45:40,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:40,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:41,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:45:41,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:51,289 WARN L539 Checker$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 02:45:53,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:45:56,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:45:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 221 states and 304 transitions. [2023-11-19 02:45:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 304 transitions. [2023-11-19 02:45:56,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:45:56,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:57,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.