./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi --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 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:46,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:46,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:17:46,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:46,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:46,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:46,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:46,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:46,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:46,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:46,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:46,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:46,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:46,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:46,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:46,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:46,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:46,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:46,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:46,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:46,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:46,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:46,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:46,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:46,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:46,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:46,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:46,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:46,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:46,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:46,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:46,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:46,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:46,840 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_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c763f0e5b490114d32e3c1ec14f736caee058b985a7ee61f4d14ad6758e2996 [2023-11-24 22:17:47,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:47,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:47,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:47,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:47,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:47,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-24 22:17:50,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:50,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:50,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-24 22:17:50,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/data/0e0cf3abc/315629d6235546e4a3e63712daefab3f/FLAG6ab9a77ea [2023-11-24 22:17:50,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/data/0e0cf3abc/315629d6235546e4a3e63712daefab3f [2023-11-24 22:17:50,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:50,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:50,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:50,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:50,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:50,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:50,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5575355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:50, skipping insertion in model container [2023-11-24 22:17:50,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:50,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:51,275 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_65af2c3e-b72f-4412-a51e-620149160661/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i[33519,33532] [2023-11-24 22:17:51,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,532 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:51,571 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_65af2c3e-b72f-4412-a51e-620149160661/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i[33519,33532] [2023-11-24 22:17:51,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,707 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:51,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51 WrapperNode [2023-11-24 22:17:51,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:51,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:51,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:51,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,884 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1622 [2023-11-24 22:17:51,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:51,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:51,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:51,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:52,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:52,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:52,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:52,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:52,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:52,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:52,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:52,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65af2c3e-b72f-4412-a51e-620149160661/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:17:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:17:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:17:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:17:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:17:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:52,477 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:52,481 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:55,344 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:57,087 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:57,088 INFO L309 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-24 22:17:57,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:57 BoogieIcfgContainer [2023-11-24 22:17:57,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:57,091 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:57,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:57,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:57,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:57" (1/1) ... [2023-11-24 22:17:57,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2023-11-24 22:17:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2023-11-24 22:17:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:57,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-11-24 22:17:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-11-24 22:17:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:57,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:57,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:57,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2023-11-24 22:17:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2023-11-24 22:17:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:57,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:57,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:57,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 131 states and 210 transitions. [2023-11-24 22:17:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 210 transitions. [2023-11-24 22:17:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:17:57,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:58,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 131 states and 198 transitions. [2023-11-24 22:17:58,125 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-24 22:17:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:17:58,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:58,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:58,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:08,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:18,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 131 states and 184 transitions. [2023-11-24 22:18:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2023-11-24 22:18:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:18:18,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:18,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:18:19,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:29,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:39,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:49,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []