./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/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_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:11:02,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:02,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:02,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:02,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:02,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:02,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:02,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:02,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:02,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:02,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:02,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:02,507 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:02,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:02,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:02,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:02,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:02,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:02,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:02,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:02,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:02,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:02,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:02,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:02,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:02,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:02,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:02,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:02,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:02,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:02,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:02,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:02,520 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:02,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:02,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:02,521 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_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2023-11-23 20:11:02,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:02,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:02,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:03,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:03,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:03,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-23 20:11:06,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:06,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:06,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-23 20:11:06,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/data/3440f6901/89e96f5682fb43fa9c45376392db223e/FLAG9f9cdcf3b [2023-11-23 20:11:06,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/data/3440f6901/89e96f5682fb43fa9c45376392db223e [2023-11-23 20:11:06,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:06,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:06,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:06,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:06,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:06,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:06" (1/1) ... [2023-11-23 20:11:06,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c075b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:06, skipping insertion in model container [2023-11-23 20:11:06,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:06" (1/1) ... [2023-11-23 20:11:06,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:07,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:07,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:07,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:07,922 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:07,929 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:07,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07 WrapperNode [2023-11-23 20:11:07,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:07,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:07,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:07,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:07,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,134 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-23 20:11:08,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:08,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:08,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:08,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:08,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:08,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:08,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:08,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:08,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:08,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:08,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:08,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ea6d10-5612-41e6-b12b-9a05868ee2e2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:11:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:11:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:11:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:11:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-23 20:11:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:11:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:11:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:08,770 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:08,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:10,739 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:12,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:12,466 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-23 20:11:12,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:12 BoogieIcfgContainer [2023-11-23 20:11:12,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:12,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:12,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:12,480 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:12,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-23 20:11:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-23 20:11:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:11:12,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:12,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:12,889 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 [2023-11-23 20:11:12,900 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 [2023-11-23 20:11:12,991 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:12,993 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:11:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:13,004 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 [2023-11-23 20:11:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-23 20:11:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-23 20:11:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:11:13,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,224 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 [2023-11-23 20:11:13,230 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 [2023-11-23 20:11:13,291 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:13,291 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:11:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:13,301 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 [2023-11-23 20:11:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 191 states and 317 transitions. [2023-11-23 20:11:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 317 transitions. [2023-11-23 20:11:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:13,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2023-11-23 20:11:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2023-11-23 20:11:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:11:13,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 191 states and 309 transitions. [2023-11-23 20:11:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 309 transitions. [2023-11-23 20:11:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:11:13,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 191 states and 305 transitions. [2023-11-23 20:11:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 305 transitions. [2023-11-23 20:11:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:14,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:14,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 191 states and 299 transitions. [2023-11-23 20:11:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 299 transitions. [2023-11-23 20:11:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:14,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:24,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 191 states and 293 transitions. [2023-11-23 20:11:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2023-11-23 20:11:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:11:24,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:24,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:24,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:45,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:55,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:12:05,470 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 [] [2023-11-23 20:12:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 337 transitions. [2023-11-23 20:12:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2023-11-23 20:12:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:12:05,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:05,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:05,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-11-23 20:12:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-11-23 20:12:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:12:05,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:06,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:06,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.