./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/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_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/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_fa547458-3ad6-4488-b81e-6f81a5df63c4/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 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:22,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:22,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:22,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:22,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:22,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:22,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:22,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:22,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:22,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:22,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:22,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:22,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:22,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:22,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:22,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:22,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:22,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:22,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:22,988 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:22,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:22,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:22,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:22,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:22,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:22,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:22,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:22,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:22,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:22,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:22,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:22,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:22,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:22,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:22,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:22,997 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_fa547458-3ad6-4488-b81e-6f81a5df63c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2023-11-21 18:52:23,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:23,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:23,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:23,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:23,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:23,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-21 18:52:26,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:26,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:26,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-21 18:52:26,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/data/12d3e33e2/79d20864589140b3a3bdf8198dd5634d/FLAG71c13854d [2023-11-21 18:52:26,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/data/12d3e33e2/79d20864589140b3a3bdf8198dd5634d [2023-11-21 18:52:26,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:26,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:26,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:26,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:26,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:26,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:26" (1/1) ... [2023-11-21 18:52:26,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266fa23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:26, skipping insertion in model container [2023-11-21 18:52:26,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:26" (1/1) ... [2023-11-21 18:52:26,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:27,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:27,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:27,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:27,966 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:27,973 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:27,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27 WrapperNode [2023-11-21 18:52:27,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:27,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:27,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:27,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:27,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,153 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-21 18:52:28,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:28,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:28,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:28,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:28,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:28,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:28,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:28,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:28,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:27" (1/1) ... [2023-11-21 18:52:28,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:28,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:28,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa547458-3ad6-4488-b81e-6f81a5df63c4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:52:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:52:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:52:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:52:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:52:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-21 18:52:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-21 18:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:52:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:52:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:28,665 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:28,670 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:30,626 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:32,654 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:32,654 INFO L308 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-21 18:52:32,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:32 BoogieIcfgContainer [2023-11-21 18:52:32,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:32,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:32,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:32,669 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:32,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:32" (1/1) ... [2023-11-21 18:52:32,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-21 18:52:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-21 18:52:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:32,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:32,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:32,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:52:32,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:33,034 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 18:52:33,044 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 18:52:33,092 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:33,094 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:52:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:52:33,103 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 18:52:33,117 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 18:52:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-21 18:52:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-21 18:52:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:33,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:33,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:33,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:33,274 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 18:52:33,315 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:33,316 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:52:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:52:33,322 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 18:52:33,335 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 18:52:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 194 states and 323 transitions. [2023-11-21 18:52:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 323 transitions. [2023-11-21 18:52:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:33,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:33,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:33,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:33,666 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 18:52:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 194 states and 321 transitions. [2023-11-21 18:52:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 321 transitions. [2023-11-21 18:52:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:33,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:33,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:34,023 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 18:52:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 194 states and 315 transitions. [2023-11-21 18:52:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 315 transitions. [2023-11-21 18:52:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:52:34,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:34,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:34,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:34,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:34,274 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 18:52:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 194 states and 311 transitions. [2023-11-21 18:52:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 311 transitions. [2023-11-21 18:52:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:34,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:34,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:34,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:34,388 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 18:52:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 194 states and 305 transitions. [2023-11-21 18:52:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 305 transitions. [2023-11-21 18:52:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:52:34,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:34,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:34,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:34,581 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 18:52:44,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:52:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 194 states and 299 transitions. [2023-11-21 18:52:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2023-11-21 18:52:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:52:44,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:44,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:45,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:52:45,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:50,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:53:00,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:53:11,003 WARN L539 Checker$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 18:53:13,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:53:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 227 states and 344 transitions. [2023-11-21 18:53:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 344 transitions. [2023-11-21 18:53:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:13,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:53:13,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:13,755 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 18:53:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 227 states and 342 transitions. [2023-11-21 18:53:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 342 transitions. [2023-11-21 18:53:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:13,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:14,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:14,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:14,205 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 18:53:25,069 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 []