./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV --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 ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:11,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:11,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:06:11,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:11,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:11,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:11,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:11,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:11,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:11,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:11,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:11,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:11,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:11,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:11,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:11,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:11,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:11,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:11,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:11,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:11,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:11,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:11,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:11,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:11,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:11,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:11,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:11,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:11,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:11,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:11,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:11,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:11,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:11,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:11,574 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_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2023-11-12 00:06:11,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:11,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:11,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:11,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:11,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:11,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-12 00:06:15,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:15,452 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:15,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-12 00:06:15,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/data/adfb3e075/7256051de1e6408aa7688cd9f5b30d88/FLAGb00486300 [2023-11-12 00:06:15,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/data/adfb3e075/7256051de1e6408aa7688cd9f5b30d88 [2023-11-12 00:06:15,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:15,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:15,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:15,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:15,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:15,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3438fe14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15, skipping insertion in model container [2023-11-12 00:06:15,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:16,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:16,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:16,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:16,728 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:06:16,735 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:16,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16 WrapperNode [2023-11-12 00:06:16,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:16,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:16,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:16,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:16,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,915 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1383 [2023-11-12 00:06:16,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:16,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:16,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:16,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:16,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:17,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:17,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:17,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:17,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:17,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:17,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:17,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:17,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:17,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:17,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53263a09-ede5-4aab-a565-740e0e24e06d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:06:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:06:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:06:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:06:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-12 00:06:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-12 00:06:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:06:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:06:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:06:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:06:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-12 00:06:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-12 00:06:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:06:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-12 00:06:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-12 00:06:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:17,431 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:17,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:19,166 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:20,692 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:20,693 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-12 00:06:20,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:20 BoogieIcfgContainer [2023-11-12 00:06:20,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:20,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:20,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:20,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:20,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:20" (1/1) ... [2023-11-12 00:06:20,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 272 transitions. [2023-11-12 00:06:20,777 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-12 00:06:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:20,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:20,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:06:20,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:21,027 INFO L351 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 [2023-11-12 00:06:21,068 INFO L322 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-12 00:06:21,068 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-12 00:06:21,079 INFO L351 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 8 treesize of output 7 [2023-11-12 00:06:21,104 INFO L351 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 8 treesize of output 7 [2023-11-12 00:06:21,139 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:21,140 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2023-11-12 00:06:21,198 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 16 treesize of output 5 [2023-11-12 00:06:21,202 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-12 00:06:21,249 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:21,250 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-12 00:06:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:21,257 INFO L351 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 [2023-11-12 00:06:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 180 states and 277 transitions. [2023-11-12 00:06:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2023-11-12 00:06:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:06:21,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:06:21,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:21,484 INFO L322 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-12 00:06:21,485 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-12 00:06:21,493 INFO L351 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 8 treesize of output 7 [2023-11-12 00:06:21,505 INFO L351 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 8 treesize of output 7 [2023-11-12 00:06:21,546 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-12 00:06:21,551 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:21,552 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-12 00:06:21,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-12 00:06:21,559 INFO L351 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 [2023-11-12 00:06:21,586 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:06:21,587 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-12 00:06:21,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:06:21,594 INFO L351 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 [2023-11-12 00:06:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 278 transitions. [2023-11-12 00:06:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 278 transitions. [2023-11-12 00:06:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:06:21,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:06:21,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 181 states and 276 transitions. [2023-11-12 00:06:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2023-11-12 00:06:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:06:21,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:06:21,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 181 states and 270 transitions. [2023-11-12 00:06:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-12 00:06:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:06:21,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 179 states and 260 transitions. [2023-11-12 00:06:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 260 transitions. [2023-11-12 00:06:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:06:22,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:22,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:22,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:06:22,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 179 states and 258 transitions. [2023-11-12 00:06:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2023-11-12 00:06:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:06:22,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:22,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:22,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:06:22,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:32,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:06:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 179 states and 256 transitions. [2023-11-12 00:06:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 256 transitions. [2023-11-12 00:06:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:32,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:32,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:06:32,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:06:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:43,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:06:53,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:07:03,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:07:13,394 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 [] [2023-11-12 00:07:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 197 states and 283 transitions. [2023-11-12 00:07:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 283 transitions. [2023-11-12 00:07:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:13,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:13,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:07:13,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.