./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.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_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/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_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/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_f368075c-cb99-44f6-acac-35df41171327/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 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:27,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:27,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:27,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:27,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:27,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:27,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:27,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:27,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:27,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:27,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:27,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:27,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:27,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:27,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:27,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:27,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:27,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:27,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:27,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:27,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:27,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:27,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:27,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:27,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:27,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:27,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:27,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:27,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:27,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:27,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:27,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:27,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:27,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:27,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:27,183 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_f368075c-cb99-44f6-acac-35df41171327/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f [2023-11-21 18:46:27,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:27,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:27,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:27,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:27,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:27,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2023-11-21 18:46:30,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:31,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:31,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2023-11-21 18:46:31,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/data/8519a5501/466366127f0f4da6975ac01584cc0065/FLAG1ee7e52d5 [2023-11-21 18:46:31,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/data/8519a5501/466366127f0f4da6975ac01584cc0065 [2023-11-21 18:46:31,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:31,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:31,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:31,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:31,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:31,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:31" (1/1) ... [2023-11-21 18:46:31,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb7ad48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:31, skipping insertion in model container [2023-11-21 18:46:31,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:31" (1/1) ... [2023-11-21 18:46:31,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:31,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:31,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:32,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:32,159 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:32,172 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:32,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32 WrapperNode [2023-11-21 18:46:32,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:32,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:32,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:32,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:32,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,397 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1532 [2023-11-21 18:46:32,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:32,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:32,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:32,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:32,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:32,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:32,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:32,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:32,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:32,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:32,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f368075c-cb99-44f6-acac-35df41171327/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:46:32,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:46:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:46:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:46:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:46:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:46:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:46:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:46:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:46:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:46:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:46:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:32,916 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:32,926 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:34,626 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:36,619 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:36,619 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:46:36,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:36 BoogieIcfgContainer [2023-11-21 18:46:36,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:36,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:36,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:36,633 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:36,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:36" (1/1) ... [2023-11-21 18:46:36,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2023-11-21 18:46:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-21 18:46:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:36,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,073 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 18:46:37,141 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:46:37,143 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:46:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:46:37,157 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 18:46:37,170 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 18:46:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-21 18:46:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-21 18:46:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:37,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,396 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 18:46:37,402 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 18:46:37,461 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:46:37,462 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:46:37,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:46:37,472 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 18:46:37,488 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 18:46:37,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2023-11-21 18:46:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2023-11-21 18:46:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:37,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,733 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 18:46:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 168 states and 275 transitions. [2023-11-21 18:46:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2023-11-21 18:46:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:37,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,844 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 18:46:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 168 states and 273 transitions. [2023-11-21 18:46:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 273 transitions. [2023-11-21 18:46:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:37,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,099 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 18:46:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2023-11-21 18:46:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2023-11-21 18:46:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:38,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,346 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 18:46:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 168 states and 268 transitions. [2023-11-21 18:46:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2023-11-21 18:46:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:38,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,467 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 18:46:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 168 states and 262 transitions. [2023-11-21 18:46:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 262 transitions. [2023-11-21 18:46:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:38,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,717 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 18:46:48,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:46:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 168 states and 256 transitions. [2023-11-21 18:46:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-21 18:46:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:46:48,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:49,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:59,862 WARN L539 Checker$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 18:47:09,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:19,886 WARN L539 Checker$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 18:47:29,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 175 states and 267 transitions. [2023-11-21 18:47:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 267 transitions. [2023-11-21 18:47:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:29,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:30,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:30,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:30,145 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 18:47:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 175 states and 265 transitions. [2023-11-21 18:47:30,155 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 265 transitions. [2023-11-21 18:47:30,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:30,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:30,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:30,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:30,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:30,365 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 18:47:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 175 states and 263 transitions. [2023-11-21 18:47:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 263 transitions. [2023-11-21 18:47:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:30,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 175 states and 263 transitions. [2023-11-21 18:47:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 263 transitions. [2023-11-21 18:47:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:47:33,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms