./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.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_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/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_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:52,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:52,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:57:52,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:52,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:52,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:52,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:52,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:52,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:52,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:52,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:52,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:52,779 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:52,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:52,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:52,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:52,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:52,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:52,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:52,784 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:52,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:52,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:52,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:52,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:52,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:52,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:52,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:52,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:52,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:52,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:52,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:52,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:52,791 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:52,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:52,791 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:52,792 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_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2023-11-24 22:57:53,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:53,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:53,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:53,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:53,171 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:53,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-24 22:57:56,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:56,825 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:56,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-24 22:57:56,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/data/a1c1de058/a87f6b597a3649268c41aa8329756666/FLAG13ce2a590 [2023-11-24 22:57:56,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/data/a1c1de058/a87f6b597a3649268c41aa8329756666 [2023-11-24 22:57:56,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:56,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:56,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:56,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:56,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:56,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:56" (1/1) ... [2023-11-24 22:57:56,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b960bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56, skipping insertion in model container [2023-11-24 22:57:56,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:56" (1/1) ... [2023-11-24 22:57:56,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:57,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:57,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:57,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:58,002 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:58,012 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:58,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58 WrapperNode [2023-11-24 22:57:58,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:58,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:58,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:58,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:58,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,271 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1383 [2023-11-24 22:57:58,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:58,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:58,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:58,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:58,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:58,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:58,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:58,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:58,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:58" (1/1) ... [2023-11-24 22:57:58,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:58,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:58,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201dc67f-2f3b-4c69-bc71-ca2a818a0f86/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 22:57:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 22:57:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:57:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:57:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-24 22:57:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-24 22:57:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:57:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:57:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-24 22:57:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-24 22:57:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:57:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-24 22:57:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-24 22:57:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:58,786 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:58,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:00,620 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:02,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:02,321 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:58:02,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:02 BoogieIcfgContainer [2023-11-24 22:58:02,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:02,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:02,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:02,337 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:02,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 272 transitions. [2023-11-24 22:58:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-24 22:58:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:58:02,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:02,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:02,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:02,872 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 [2023-11-24 22:58:02,932 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-24 22:58:02,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-24 22:58:02,945 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 8 treesize of output 7 [2023-11-24 22:58:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:58:02,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 22:58:03,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:58:03,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 5 [2023-11-24 22:58:03,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-24 22:58:03,066 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:58:03,068 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2023-11-24 22:58:03,153 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:58:03,154 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 22:58:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:58:03,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:58:03,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2023-11-24 22:58:03,180 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 22:58:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 180 states and 277 transitions. [2023-11-24 22:58:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2023-11-24 22:58:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:58:03,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:03,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:03,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:03,410 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 [2023-11-24 22:58:03,449 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-24 22:58:03,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-24 22:58:03,465 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 8 treesize of output 7 [2023-11-24 22:58:03,483 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 8 treesize of output 7 [2023-11-24 22:58:03,533 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:58:03,547 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:58:03,548 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-24 22:58:03,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-24 22:58:03,593 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:58:03,594 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 22:58:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:58:03,601 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 15 treesize of output 7 [2023-11-24 22:58:03,609 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 22:58:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 278 transitions. [2023-11-24 22:58:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 278 transitions. [2023-11-24 22:58:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:58:03,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:03,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:03,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:03,804 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 22:58:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 181 states and 276 transitions. [2023-11-24 22:58:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2023-11-24 22:58:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:58:03,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:03,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:03,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:03,986 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 22:58:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 181 states and 270 transitions. [2023-11-24 22:58:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-24 22:58:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:58:03,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:04,368 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 22:58:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 179 states and 260 transitions. [2023-11-24 22:58:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 260 transitions. [2023-11-24 22:58:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:58:04,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:04,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:04,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 179 states and 258 transitions. [2023-11-24 22:58:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2023-11-24 22:58:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:58:04,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:04,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:04,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:04,800 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 22:58:14,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:58:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 179 states and 256 transitions. [2023-11-24 22:58:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 256 transitions. [2023-11-24 22:58:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:14,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:15,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:15,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:25,602 WARN L539 Checker$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 22:58:35,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:58:45,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:58:55,775 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 [] [2023-11-24 22:58:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 197 states and 283 transitions. [2023-11-24 22:58:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 283 transitions. [2023-11-24 22:58:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:58:55,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:55,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:56,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:56,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.