./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.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_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/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_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/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_b9dec276-1779-4507-b236-2fa7a65b77ec/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 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:19,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:19,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:19,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:19,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:19,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:19,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:19,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:19,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:19,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:19,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:19,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:19,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:19,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:19,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:19,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:19,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:19,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:19,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:19,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:19,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:19,866 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:19,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:19,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:19,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:19,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:19,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:19,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:19,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:19,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:19,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:19,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:19,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:19,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:19,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:19,873 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_b9dec276-1779-4507-b236-2fa7a65b77ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 [2023-11-21 18:37:20,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:20,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:20,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:20,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:20,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:20,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2023-11-21 18:37:23,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:23,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:23,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2023-11-21 18:37:23,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/data/665ab28bb/de5e6b6bc7e748c2bf0b842350fa7c6a/FLAG86f23397c [2023-11-21 18:37:23,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/data/665ab28bb/de5e6b6bc7e748c2bf0b842350fa7c6a [2023-11-21 18:37:23,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:23,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:23,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:23,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:23,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:23,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bb7374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23, skipping insertion in model container [2023-11-21 18:37:23,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:24,318 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:24,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:24,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:24,740 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:24,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:24,958 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:24,958 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:24,965 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:24,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24 WrapperNode [2023-11-21 18:37:24,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:24,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:24,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:24,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:24,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,098 INFO L138 Inliner]: procedures = 208, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1193 [2023-11-21 18:37:25,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:25,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:25,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:25,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:25,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:25,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:25,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:25,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:25,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:24" (1/1) ... [2023-11-21 18:37:25,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:25,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:25,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:25,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dec276-1779-4507-b236-2fa7a65b77ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:37:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:37:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:37:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:37:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:37:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:37:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:25,632 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:25,635 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:27,313 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:29,024 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:29,024 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 18:37:29,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:29 BoogieIcfgContainer [2023-11-21 18:37:29,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:29,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:29,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:29,038 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:29,038 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:29" (1/1) ... [2023-11-21 18:37:29,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2023-11-21 18:37:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2023-11-21 18:37:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:37:29,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,390 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 18:37:29,413 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 18:37:29,516 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:29,518 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:37:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:29,538 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 18:37:29,549 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 18:37:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 185 transitions. [2023-11-21 18:37:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2023-11-21 18:37:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:29,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,754 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 18:37:29,764 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 18:37:29,799 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:29,801 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:37:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:29,808 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 18:37:29,831 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 18:37:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 114 states and 186 transitions. [2023-11-21 18:37:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2023-11-21 18:37:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:29,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,983 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 18:37:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2023-11-21 18:37:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2023-11-21 18:37:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:37:29,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,060 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 18:37:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 114 states and 181 transitions. [2023-11-21 18:37:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2023-11-21 18:37:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:30,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,159 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 18:37:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 114 states and 177 transitions. [2023-11-21 18:37:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 177 transitions. [2023-11-21 18:37:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:30,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,249 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 18:37:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 114 states and 173 transitions. [2023-11-21 18:37:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2023-11-21 18:37:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:30,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,340 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 18:37:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 114 states and 171 transitions. [2023-11-21 18:37:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 171 transitions. [2023-11-21 18:37:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:37:30,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,448 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 18:37:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2023-11-21 18:37:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-21 18:37:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:30,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,513 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 18:37:40,544 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 18:37:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 114 states and 163 transitions. [2023-11-21 18:37:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2023-11-21 18:37:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:40,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,863 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 18:37:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 118 states and 167 transitions. [2023-11-21 18:37:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2023-11-21 18:37:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:40,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,992 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 18:37:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-11-21 18:37:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-11-21 18:37:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:41,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,211 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 18:37:51,230 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 18:37:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 118 states and 157 transitions. [2023-11-21 18:37:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2023-11-21 18:37:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:51,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,461 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 18:38:01,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:11,717 WARN L539 Checker$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 18:38:21,730 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 18:38:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-11-21 18:38:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-11-21 18:38:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:38:22,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:22,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:22,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:22,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.