./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/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_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/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_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/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 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:53,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:53,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:51:53,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:51:53,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:51:53,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:53,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:53,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:53,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:53,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:53,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:53,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:51:53,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:53,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:53,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:53,473 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:51:53,473 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:51:53,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:53,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:53,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:51:53,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:53,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:53,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:53,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:53,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:53,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:53,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:53,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:53,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:53,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:53,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:51:53,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:51:53,482 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_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 [2023-11-19 02:51:53,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:53,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:53,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:53,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:53,757 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:53,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-11-19 02:51:56,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:51:57,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:51:57,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-11-19 02:51:57,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/data/b090ef7ab/55a765588bd2490daa9746d34a882b61/FLAGa42143287 [2023-11-19 02:51:57,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/data/b090ef7ab/55a765588bd2490daa9746d34a882b61 [2023-11-19 02:51:57,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:51:57,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:51:57,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:57,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:51:57,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:51:57,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:57" (1/1) ... [2023-11-19 02:51:57,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66499521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:57, skipping insertion in model container [2023-11-19 02:51:57,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:57" (1/1) ... [2023-11-19 02:51:57,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:51:57,809 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:51:58,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:58,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:51:58,164 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:51:58,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:58,309 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:51:58,317 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:51:58,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58 WrapperNode [2023-11-19 02:51:58,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:58,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:58,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:51:58,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:51:58,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,478 INFO L138 Inliner]: procedures = 178, calls = 341, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1490 [2023-11-19 02:51:58,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:58,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:51:58,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:51:58,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:51:58,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:51:58,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:51:58,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:51:58,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:51:58,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:58" (1/1) ... [2023-11-19 02:51:58,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:51:58,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:51:58,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4497bd6a-b9af-4679-8d8d-7d2a3e79ede6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:51:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:51:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:51:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:51:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:51:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:51:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:51:59,043 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:51:59,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:00,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:02,659 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:02,659 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 02:52:02,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:02 BoogieIcfgContainer [2023-11-19 02:52:02,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:02,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:02,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:02,677 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:02,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:02" (1/1) ... [2023-11-19 02:52:02,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 188 transitions. [2023-11-19 02:52:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2023-11-19 02:52:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:52:02,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:02,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:02,978 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 02:52:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 189 transitions. [2023-11-19 02:52:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2023-11-19 02:52:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:03,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,117 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 02:52:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 194 transitions. [2023-11-19 02:52:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 194 transitions. [2023-11-19 02:52:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:03,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,348 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 02:52:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2023-11-19 02:52:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2023-11-19 02:52:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:03,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:03,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:03,658 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 02:52:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-11-19 02:52:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-19 02:52:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:52:03,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:03,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:03,823 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 02:52:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 183 transitions. [2023-11-19 02:52:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2023-11-19 02:52:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:52:03,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:03,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:03,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:03,964 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 02:52:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2023-11-19 02:52:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2023-11-19 02:52:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:52:03,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:04,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:04,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:04,269 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 02:52:14,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:24,401 WARN L539 Checker$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 02:52:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 159 transitions. [2023-11-19 02:52:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2023-11-19 02:52:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:52:24,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:24,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:24,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:52:24,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:25,123 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 02:52:35,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:41,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 148 states and 201 transitions. [2023-11-19 02:52:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 201 transitions. [2023-11-19 02:52:41,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:52:41,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:41,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:41,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:41,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:41,782 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 02:52:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 148 states and 199 transitions. [2023-11-19 02:52:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2023-11-19 02:52:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:52:41,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:42,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:42,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:42,161 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 02:52:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 148 states and 197 transitions. [2023-11-19 02:52:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 197 transitions. [2023-11-19 02:52:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:52:42,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:42,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:42,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:42,572 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 02:52:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 148 states and 195 transitions. [2023-11-19 02:52:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2023-11-19 02:52:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:52:42,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:42,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:42,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:42,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:42,913 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 02:52:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 148 states and 193 transitions. [2023-11-19 02:52:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 193 transitions. [2023-11-19 02:52:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:52:42,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:43,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:43,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:43,331 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 02:52:53,349 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 02:52:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 148 states and 191 transitions. [2023-11-19 02:52:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2023-11-19 02:52:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:52:53,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:53,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.