./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:12:14,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:12:14,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:12:14,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:12:14,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:12:14,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:12:14,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:12:14,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:12:14,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:12:14,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:12:14,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:12:14,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:12:14,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:12:14,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:12:14,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:12:14,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:12:14,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:12:14,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:12:14,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:12:14,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:12:14,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:12:14,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:12:14,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:12:14,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:12:14,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:12:14,126 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:12:14,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:12:14,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:12:14,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:14,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:12:14,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:12:14,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:12:14,129 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:12:14,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:12:14,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:12:14,130 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_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2023-12-02 22:12:14,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:12:14,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:12:14,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:12:14,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:12:14,358 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:12:14,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-12-02 22:12:17,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:12:17,352 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:12:17,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-12-02 22:12:17,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/765712686/14aa714b692d4e3c85727744014b18af/FLAGc28080862 [2023-12-02 22:12:17,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/765712686/14aa714b692d4e3c85727744014b18af [2023-12-02 22:12:17,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:12:17,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:12:17,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:17,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:12:17,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:12:17,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:17" (1/1) ... [2023-12-02 22:12:17,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef705b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:17, skipping insertion in model container [2023-12-02 22:12:17,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:17" (1/1) ... [2023-12-02 22:12:17,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:12:17,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:17,978 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:12:18,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:18,116 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:12:18,122 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:12:18,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18 WrapperNode [2023-12-02 22:12:18,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:18,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:18,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:12:18,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:12:18,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,217 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1367 [2023-12-02 22:12:18,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:18,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:12:18,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:12:18,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:12:18,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:12:18,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:12:18,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:12:18,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:12:18,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:18" (1/1) ... [2023-12-02 22:12:18,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:18,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:12:18,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:12:18,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:12:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 22:12:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 22:12:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:12:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:12:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:12:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:12:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:12:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:12:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:12:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:12:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:12:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:12:18,587 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:12:18,589 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:12:20,097 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:12:21,433 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:12:21,433 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 22:12:21,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:21 BoogieIcfgContainer [2023-12-02 22:12:21,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:12:21,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:12:21,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:12:21,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:12:21,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:21" (1/1) ... [2023-12-02 22:12:21,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:12:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-12-02 22:12:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-12-02 22:12:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:12:21,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:21,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:12:21,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:21,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 22:12:21,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 22:12:21,842 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:12:21,844 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-02 22:12:21,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:12:21,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-02 22:12:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-12-02 22:12:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-12-02 22:12:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:12:21,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:21,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 22:12:22,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 22:12:22,076 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:12:22,077 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-02 22:12:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:12:22,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-02 22:12:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2023-12-02 22:12:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2023-12-02 22:12:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:12:22,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 151 states and 244 transitions. [2023-12-02 22:12:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 244 transitions. [2023-12-02 22:12:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:12:22,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 151 states and 242 transitions. [2023-12-02 22:12:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2023-12-02 22:12:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:12:22,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 151 states and 241 transitions. [2023-12-02 22:12:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 241 transitions. [2023-12-02 22:12:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:12:22,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 151 states and 237 transitions. [2023-12-02 22:12:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 237 transitions. [2023-12-02 22:12:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:12:22,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 151 states and 231 transitions. [2023-12-02 22:12:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 231 transitions. [2023-12-02 22:12:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:12:22,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:22,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:12:22,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:33,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2023-12-02 22:12:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-12-02 22:12:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:12:33,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:33,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:12:33,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:43,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:12:54,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:04,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:14,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 166 states and 243 transitions. [2023-12-02 22:13:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 243 transitions. [2023-12-02 22:13:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:13:14,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:14,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:13:14,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:13:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2023-12-02 22:13:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2023-12-02 22:13:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:13:14,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:14,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:13:14,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:13:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 166 states and 239 transitions. [2023-12-02 22:13:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2023-12-02 22:13:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:13:14,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:15,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:13:15,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:13:25,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 166 states and 237 transitions. [2023-12-02 22:13:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-12-02 22:13:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:13:25,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:25,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:25,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:13:25,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:13:35,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:45,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:13:55,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:14:05,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:14:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 169 states and 239 transitions. [2023-12-02 22:14:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-12-02 22:14:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:14:05,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:05,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:06,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:14:06,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:14:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 169 states and 239 transitions. [2023-12-02 22:14:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-12-02 22:14:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:14:06,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:06,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:10,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:14:10,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:14:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 170 states and 241 transitions. [2023-12-02 22:14:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2023-12-02 22:14:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:14:10,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:14:20,467 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:14:20,470 INFO L158 Benchmark]: Toolchain (without parser) took 123082.68ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 85.0MB in the beginning and 95.6MB in the end (delta: -10.6MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2023-12-02 22:14:20,470 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:20,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.15ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 96.6MB in the end (delta: -12.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-12-02 22:14:20,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.93ms. Allocated memory is still 140.5MB. Free memory was 96.6MB in the beginning and 88.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:14:20,472 INFO L158 Benchmark]: Boogie Preprocessor took 110.24ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 79.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:14:20,473 INFO L158 Benchmark]: RCFGBuilder took 3104.88ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 79.1MB in the beginning and 47.0MB in the end (delta: 32.1MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-12-02 22:14:20,473 INFO L158 Benchmark]: CodeCheck took 119033.60ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 95.6MB in the end (delta: -48.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:20,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.15ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 96.6MB in the end (delta: -12.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.93ms. Allocated memory is still 140.5MB. Free memory was 96.6MB in the beginning and 88.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.24ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 79.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3104.88ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 79.1MB in the beginning and 47.0MB in the end (delta: 32.1MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * CodeCheck took 119033.60ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 95.6MB in the end (delta: -48.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:14:20,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:14:22,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:14:22,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:14:22,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:14:22,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:14:22,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:14:22,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:14:22,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:14:22,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:14:22,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:14:22,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:14:22,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:14:22,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:14:22,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:14:22,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:14:22,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:14:22,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:14:22,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:14:22,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:14:22,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:14:22,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:14:22,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:14:22,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:14:22,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:14:22,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:14:22,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:14:22,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:14:22,845 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:22,845 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:14:22,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:14:22,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:22,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:14:22,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:14:22,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:14:22,848 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:14:22,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:22,849 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:14:22,849 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:14:22,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:14:22,850 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2023-12-02 22:14:23,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:14:23,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:14:23,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:14:23,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:14:23,221 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:14:23,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-12-02 22:14:26,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:14:26,814 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:14:26,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-12-02 22:14:26,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/47350c1e2/a4a2027e015645c1b38b8805b238d637/FLAG5bc9021d0 [2023-12-02 22:14:26,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/data/47350c1e2/a4a2027e015645c1b38b8805b238d637 [2023-12-02 22:14:26,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:14:26,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:14:26,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:26,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:14:26,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:14:26,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:26" (1/1) ... [2023-12-02 22:14:26,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3850d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:26, skipping insertion in model container [2023-12-02 22:14:26,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:26" (1/1) ... [2023-12-02 22:14:26,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:14:27,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:27,625 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:14:27,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:14:27,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:27,738 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:14:27,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:27,853 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:27,860 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:14:27,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27 WrapperNode [2023-12-02 22:14:27,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:27,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:27,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:14:27,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:14:27,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:27,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:27,979 INFO L138 Inliner]: procedures = 180, calls = 287, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1040 [2023-12-02 22:14:27,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:27,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:14:27,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:14:27,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:14:27,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:27,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:14:28,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:14:28,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:14:28,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:14:28,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:27" (1/1) ... [2023-12-02 22:14:28,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:28,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:14:28,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:14:28,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:14:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 22:14:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 22:14:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:14:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:14:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:14:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:14:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:14:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:14:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:14:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:14:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:14:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:14:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:14:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:14:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:14:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:14:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:14:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:14:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:14:28,421 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:14:28,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:14:39,162 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:14:39,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:14:39,740 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 22:14:39,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:39 BoogieIcfgContainer [2023-12-02 22:14:39,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:14:39,743 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:14:39,744 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:14:39,755 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:14:39,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:39" (1/1) ... [2023-12-02 22:14:39,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:14:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-12-02 22:14:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-12-02 22:14:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:14:39,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:39,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:39,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:39,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:39,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fb2b91-5615-4b23-9f5f-3edac3186dce/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process