./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.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_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/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_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/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_b2f89a47-9673-4665-af16-c6971a042509/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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:15,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:15,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:15,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:15,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:15,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:15,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:15,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:15,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:15,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:15,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:15,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:15,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:15,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:15,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:15,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:15,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:15,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:15,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:15,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:15,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:15,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:15,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:15,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:15,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:15,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:15,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:15,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:15,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:15,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:15,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:15,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:15,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:15,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:15,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:15,222 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_b2f89a47-9673-4665-af16-c6971a042509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2023-11-21 18:46:15,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:15,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:15,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:15,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:15,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:15,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-21 18:46:18,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:19,336 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:19,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-21 18:46:19,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/data/382f78c7a/0ab025e9c45244bd9b4cc9d8b6ba6eee/FLAGe4ba3b651 [2023-11-21 18:46:19,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/data/382f78c7a/0ab025e9c45244bd9b4cc9d8b6ba6eee [2023-11-21 18:46:19,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:19,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:19,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:19,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:19,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:19,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d94d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19, skipping insertion in model container [2023-11-21 18:46:19,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:20,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:20,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:20,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:20,947 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:20,955 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:20,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20 WrapperNode [2023-11-21 18:46:20,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:20,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:20,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:20,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:20,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,187 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-21 18:46:21,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:21,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:21,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:21,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:21,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:21,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:21,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:21,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:21,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:20" (1/1) ... [2023-11-21 18:46:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:21,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:21,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:21,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f89a47-9673-4665-af16-c6971a042509/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:46:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:46:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:46:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:46:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:46:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:46:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:46:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:46:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:46:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:46:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:46:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:21,762 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:21,765 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:25,192 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:27,568 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:27,568 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:46:27,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:27 BoogieIcfgContainer [2023-11-21 18:46:27,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:27,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:27,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:27,584 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:27,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:27" (1/1) ... [2023-11-21 18:46:27,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-21 18:46:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-21 18:46:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:27,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:46:27,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,028 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 18:46:28,044 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 18:46:28,109 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:46:28,111 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:46:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:46:28,121 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 18:46:28,136 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 18:46:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-21 18:46:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-21 18:46:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:28,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:46:28,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,312 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 18:46:28,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-21 18:46:28,354 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:46:28,355 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:46:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:46:28,362 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 18:46:28,380 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 18:46:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1142 states and 2228 transitions. [2023-11-21 18:46:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2228 transitions. [2023-11-21 18:46:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:28,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:28,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:28,644 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 18:46:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1142 states and 2226 transitions. [2023-11-21 18:46:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2226 transitions. [2023-11-21 18:46:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:28,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,858 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 18:46:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1142 states and 2222 transitions. [2023-11-21 18:46:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2222 transitions. [2023-11-21 18:46:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:29,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:29,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:29,079 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 18:46:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1142 states and 2218 transitions. [2023-11-21 18:46:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2218 transitions. [2023-11-21 18:46:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:29,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:29,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:29,208 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 18:46:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1142 states and 2212 transitions. [2023-11-21 18:46:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2212 transitions. [2023-11-21 18:46:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:29,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:29,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:29,416 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 18:46:39,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:46:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1142 states and 2206 transitions. [2023-11-21 18:46:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2206 transitions. [2023-11-21 18:46:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:46:39,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:39,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:39,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:50,604 WARN L539 Checker$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 18:47:00,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:10,625 WARN L539 Checker$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 18:47:20,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1149 states and 2216 transitions. [2023-11-21 18:47:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2216 transitions. [2023-11-21 18:47:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:20,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:20,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:20,888 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 18:47:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1149 states and 2214 transitions. [2023-11-21 18:47:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2214 transitions. [2023-11-21 18:47:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:20,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,114 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 18:47:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1149 states and 2212 transitions. [2023-11-21 18:47:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2212 transitions. [2023-11-21 18:47:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:21,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms