./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/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_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/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_9f7e0679-7e19-4e0a-843f-6e471557e0f4/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 ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:43,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:43,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:04:43,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:43,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:43,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:43,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:43,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:43,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:43,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:43,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:43,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:43,985 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:43,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:43,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:43,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:43,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:43,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:43,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:43,990 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:43,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:43,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:43,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:43,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:43,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:43,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:43,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:43,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:43,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:43,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:43,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:43,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:43,998 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:43,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:43,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:43,999 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_9f7e0679-7e19-4e0a-843f-6e471557e0f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2023-11-24 23:04:44,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:44,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:44,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:44,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:44,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:44,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-24 23:04:47,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:47,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:47,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-24 23:04:48,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/data/5bcb6d2dc/e02fc5d2e0604ab0a791523341ad597a/FLAGff241a437 [2023-11-24 23:04:48,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/data/5bcb6d2dc/e02fc5d2e0604ab0a791523341ad597a [2023-11-24 23:04:48,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:48,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:48,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:48,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:48,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:48,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:48" (1/1) ... [2023-11-24 23:04:48,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64114dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:48, skipping insertion in model container [2023-11-24 23:04:48,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:48" (1/1) ... [2023-11-24 23:04:48,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:49,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:49,123 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:49,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:49,349 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:49,357 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:49,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49 WrapperNode [2023-11-24 23:04:49,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:49,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:49,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:49,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:49,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,495 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1383 [2023-11-24 23:04:49,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:49,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:49,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:49,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:49,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:49,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:49,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:49,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:49,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:49" (1/1) ... [2023-11-24 23:04:49,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:49,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:49,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e0679-7e19-4e0a-843f-6e471557e0f4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:04:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:04:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:04:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:04:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-24 23:04:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-24 23:04:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-24 23:04:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-24 23:04:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:04:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-24 23:04:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-24 23:04:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:50,119 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:50,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:51,858 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:53,365 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:53,366 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 23:04:53,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:53 BoogieIcfgContainer [2023-11-24 23:04:53,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:53,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:53,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:53,380 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:53,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:53" (1/1) ... [2023-11-24 23:04:53,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 272 transitions. [2023-11-24 23:04:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-24 23:04:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:53,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:53,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:53,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:53,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:53,725 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 23:04:53,802 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-24 23:04:53,802 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 23:04:53,814 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 23:04:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:04:53,852 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 23:04:53,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:04:53,879 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 23:04:53,884 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 23:04:53,907 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:53,908 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2023-11-24 23:04:54,004 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:54,006 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:04:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:04:54,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:54,021 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 23:04:54,040 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 23:04:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 180 states and 277 transitions. [2023-11-24 23:04:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2023-11-24 23:04:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:54,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:54,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:54,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:54,271 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 23:04:54,306 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-24 23:04:54,307 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 23:04:54,318 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 23:04:54,331 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 23:04:54,368 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 23:04:54,380 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:54,381 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-24 23:04:54,387 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 23:04:54,420 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:54,421 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:04:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:04:54,427 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 23:04:54,434 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 23:04:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 278 transitions. [2023-11-24 23:04:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 278 transitions. [2023-11-24 23:04:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:54,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:54,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:54,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:54,663 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 23:04:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 181 states and 276 transitions. [2023-11-24 23:04:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2023-11-24 23:04:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:54,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:54,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:54,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:54,842 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 23:04:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 181 states and 270 transitions. [2023-11-24 23:04:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-24 23:04:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:54,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:54,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:55,128 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 23:04:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 179 states and 260 transitions. [2023-11-24 23:04:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 260 transitions. [2023-11-24 23:04:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:04:55,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:55,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:55,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:55,339 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 23:04:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 179 states and 258 transitions. [2023-11-24 23:04:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2023-11-24 23:04:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:04:55,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:55,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:55,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:55,475 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 23:05:05,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:05:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 179 states and 256 transitions. [2023-11-24 23:05:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 256 transitions. [2023-11-24 23:05:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:05:05,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:05,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:05,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:16,245 WARN L539 Checker$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 23:05:26,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:05:36,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:05:46,335 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 23:05:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 197 states and 283 transitions. [2023-11-24 23:05:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 283 transitions. [2023-11-24 23:05:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:05:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:46,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.