./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/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_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/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_c022e951-773d-4e5e-9985-7526e3f3f4ab/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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:06,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:06,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:11:06,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:06,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:06,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:06,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:06,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:06,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:06,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:06,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:06,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:06,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:06,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:06,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:06,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:06,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:06,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:06,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:06,803 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:11:06,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:06,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:06,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:06,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:06,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:06,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:06,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:06,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:06,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:06,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:06,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:06,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:06,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:06,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:06,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:06,823 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_c022e951-773d-4e5e-9985-7526e3f3f4ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2023-11-24 23:11:07,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:07,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:07,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:07,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:07,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:07,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2023-11-24 23:11:10,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:10,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:10,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2023-11-24 23:11:10,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/data/378d47f99/9bc077782a94493390b3e2892649362c/FLAG06eb0b2a1 [2023-11-24 23:11:10,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/data/378d47f99/9bc077782a94493390b3e2892649362c [2023-11-24 23:11:10,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:10,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:10,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:10,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:10,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:10,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:10" (1/1) ... [2023-11-24 23:11:10,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6209b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:10, skipping insertion in model container [2023-11-24 23:11:10,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:10" (1/1) ... [2023-11-24 23:11:11,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:11,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:11,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:12,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:12,299 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:11:12,307 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:12,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12 WrapperNode [2023-11-24 23:11:12,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:12,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:12,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:12,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:12,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,486 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3195 [2023-11-24 23:11:12,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:12,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:12,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:12,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:12,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:12,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:12,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:12,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:12,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:12" (1/1) ... [2023-11-24 23:11:12,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:12,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:12,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:12,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c022e951-773d-4e5e-9985-7526e3f3f4ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:11:12,807 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:11:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:11:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:11:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:11:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:11:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:11:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:11:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:11:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:11:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:11:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:11:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:11:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:11:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:13,032 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:13,035 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:16,463 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:18,515 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:18,516 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-24 23:11:18,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:18 BoogieIcfgContainer [2023-11-24 23:11:18,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:18,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:18,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:18,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:18,534 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:18" (1/1) ... [2023-11-24 23:11:18,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1122 states and 2193 transitions. [2023-11-24 23:11:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2193 transitions. [2023-11-24 23:11:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:18,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:18,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:11:18,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,038 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 23:11:19,053 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 [2023-11-24 23:11:19,121 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:11:19,123 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-24 23:11:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:11:19,134 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 [2023-11-24 23:11:19,150 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 23:11:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1125 states and 2198 transitions. [2023-11-24 23:11:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2198 transitions. [2023-11-24 23:11:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:11:19,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:11:19,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,351 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 [2023-11-24 23:11:19,408 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:11:19,409 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-24 23:11:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:11:19,417 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 [2023-11-24 23:11:19,428 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 23:11:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1128 states and 2203 transitions. [2023-11-24 23:11:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2203 transitions. [2023-11-24 23:11:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:19,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:19,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,673 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 23:11:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1128 states and 2201 transitions. [2023-11-24 23:11:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2201 transitions. [2023-11-24 23:11:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:11:19,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,946 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 23:11:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1128 states and 2197 transitions. [2023-11-24 23:11:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2197 transitions. [2023-11-24 23:11:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:11:20,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,268 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 23:11:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1128 states and 2193 transitions. [2023-11-24 23:11:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2193 transitions. [2023-11-24 23:11:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:20,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,405 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 23:11:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1128 states and 2187 transitions. [2023-11-24 23:11:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2187 transitions. [2023-11-24 23:11:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:11:20,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,676 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 23:11:30,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1128 states and 2181 transitions. [2023-11-24 23:11:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2181 transitions. [2023-11-24 23:11:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:11:30,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:31,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:31,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:41,870 WARN L539 Checker$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 23:11:51,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:01,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:11,991 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 23:12:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1143 states and 2200 transitions. [2023-11-24 23:12:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2200 transitions. [2023-11-24 23:12:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:12:12,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:12,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:12,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:12,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:12,257 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 23:12:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1143 states and 2198 transitions. [2023-11-24 23:12:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2198 transitions. [2023-11-24 23:12:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:12,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:12,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:12,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:12,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:12,485 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 23:12:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1143 states and 2196 transitions. [2023-11-24 23:12:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2196 transitions. [2023-11-24 23:12:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:12,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:12,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:12,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.