./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2 --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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:51,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:52,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:52,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:52,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:52,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:52,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:52,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:52,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:52,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:52,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:52,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:52,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:52,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:52,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:52,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:52,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:52,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:52,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:52,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:52,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:52,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:52,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:52,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:52,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:52,126 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:52,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:52,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:52,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:52,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:52,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:52,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:52,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:52,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:52,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:52,132 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_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2023-11-21 18:37:52,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:52,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:52,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:52,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:52,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:52,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2023-11-21 18:37:55,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:56,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:56,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2023-11-21 18:37:56,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/data/f2c5c9ada/cedb9521ee5043629959709c579abe60/FLAGf88490d50 [2023-11-21 18:37:56,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/data/f2c5c9ada/cedb9521ee5043629959709c579abe60 [2023-11-21 18:37:56,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:56,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:56,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:56,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:56,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:56,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fbe4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56, skipping insertion in model container [2023-11-21 18:37:56,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:57,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:57,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:57,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:57,979 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:57,989 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:57,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57 WrapperNode [2023-11-21 18:37:57,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:57,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:57,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:57,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:58,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,267 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-21 18:37:58,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:58,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:58,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:58,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:58,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:58,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:58,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:58,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:58,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:58,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:58,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:58,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:58,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef16697-cd2d-483b-aba9-499dff2a6af8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:37:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:37:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:37:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:37:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:37:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:37:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:37:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:37:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:58,840 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:58,843 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:02,055 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:04,505 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:04,506 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:38:04,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:04 BoogieIcfgContainer [2023-11-21 18:38:04,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:04,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:04,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:04,523 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:04,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:04" (1/1) ... [2023-11-21 18:38:04,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-21 18:38:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-21 18:38:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:38:04,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:04,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:04,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:38:04,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:05,030 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 [2023-11-21 18:38:05,045 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 [2023-11-21 18:38:05,094 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:38:05,096 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:38:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:38:05,106 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 [2023-11-21 18:38:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-21 18:38:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-21 18:38:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:38:05,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:38:05,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:05,311 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 [2023-11-21 18:38:05,316 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 [2023-11-21 18:38:05,368 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:38:05,370 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:38:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:38:05,378 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 [2023-11-21 18:38:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1142 states and 2228 transitions. [2023-11-21 18:38:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2228 transitions. [2023-11-21 18:38:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:38:05,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:05,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1142 states and 2226 transitions. [2023-11-21 18:38:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2226 transitions. [2023-11-21 18:38:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:05,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:05,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1142 states and 2222 transitions. [2023-11-21 18:38:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2222 transitions. [2023-11-21 18:38:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:38:05,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1142 states and 2218 transitions. [2023-11-21 18:38:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2218 transitions. [2023-11-21 18:38:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:38:06,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1142 states and 2212 transitions. [2023-11-21 18:38:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2212 transitions. [2023-11-21 18:38:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:38:06,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:16,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1142 states and 2206 transitions. [2023-11-21 18:38:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2206 transitions. [2023-11-21 18:38:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:38:16,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:16,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:16,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:16,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:27,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:37,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:47,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:57,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1149 states and 2216 transitions. [2023-11-21 18:38:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2216 transitions. [2023-11-21 18:38:57,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:38:57,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:57,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1149 states and 2214 transitions. [2023-11-21 18:38:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2214 transitions. [2023-11-21 18:38:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:57,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:58,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1149 states and 2212 transitions. [2023-11-21 18:38:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2212 transitions. [2023-11-21 18:38:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:58,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms