./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/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_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:37,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:37,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:37,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:37,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:37,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:37,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:37,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:37,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:37,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:37,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:37,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:37,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:37,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:37,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:37,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:37,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:37,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:37,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:37,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:37,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:37,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:37,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:37,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:37,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:37,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:37,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:37,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:37,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:37,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:37,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:37,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:37,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:37,712 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_a8e81536-7a89-4b5b-963b-a1b1cc251c82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-11-19 03:16:38,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:38,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:38,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:38,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:38,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:38,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-19 03:16:41,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:41,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:41,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-19 03:16:41,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/data/b14dcb72e/99eeb1e7e1074f69974d565f1e924e32/FLAG3a0957657 [2023-11-19 03:16:41,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/data/b14dcb72e/99eeb1e7e1074f69974d565f1e924e32 [2023-11-19 03:16:41,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:41,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:41,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:41,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:41,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:41,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:41" (1/1) ... [2023-11-19 03:16:41,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77092eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:41, skipping insertion in model container [2023-11-19 03:16:41,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:41" (1/1) ... [2023-11-19 03:16:41,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:42,497 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2023-11-19 03:16:42,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2023-11-19 03:16:42,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:42,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:42,905 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2023-11-19 03:16:43,096 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2023-11-19 03:16:43,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:43,202 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:43,209 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:43,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43 WrapperNode [2023-11-19 03:16:43,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:43,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:43,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:43,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:43,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,405 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2023-11-19 03:16:43,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:43,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:43,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:43,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:43,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:43,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:43,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:43,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:43,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:43,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:43,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:43,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e81536-7a89-4b5b-963b-a1b1cc251c82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:16:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:16:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:16:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:16:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:16:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:16:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:43,939 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:43,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:46,909 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:49,085 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:49,085 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:16:49,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:49 BoogieIcfgContainer [2023-11-19 03:16:49,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:49,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:49,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:49,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:49,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:49" (1/1) ... [2023-11-19 03:16:49,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-11-19 03:16:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-11-19 03:16:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:16:49,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-11-19 03:16:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-11-19 03:16:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:49,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1123 states and 2196 transitions. [2023-11-19 03:16:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2196 transitions. [2023-11-19 03:16:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:49,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:49,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-11-19 03:16:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-11-19 03:16:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:49,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:50,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:50,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:51,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:16:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-11-19 03:16:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-11-19 03:16:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:16:51,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:51,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:51,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-11-19 03:16:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-11-19 03:16:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:16:51,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:51,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:51,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:58,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:16:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1123 states and 2172 transitions. [2023-11-19 03:16:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2172 transitions. [2023-11-19 03:16:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:16:58,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:58,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:59,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:00,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1136 states and 2187 transitions. [2023-11-19 03:17:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2187 transitions. [2023-11-19 03:17:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:17:00,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:00,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:00,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:00,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1136 states and 2185 transitions. [2023-11-19 03:17:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2185 transitions. [2023-11-19 03:17:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:17:00,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:00,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:01,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:06,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1136 states and 2183 transitions. [2023-11-19 03:17:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2183 transitions. [2023-11-19 03:17:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:17:06,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:06,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:17:16,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:26,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:36,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1137 states and 2182 transitions. [2023-11-19 03:17:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2182 transitions. [2023-11-19 03:17:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:17:36,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:36,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:36,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.