./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL --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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:14,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:14,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:33:14,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:14,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:14,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:14,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:14,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:14,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:14,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:14,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:14,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:14,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:14,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:14,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:14,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:14,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:14,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:14,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:14,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:33:14,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:33:14,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:14,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:14,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:14,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:14,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:14,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:14,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:14,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:14,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:14,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:14,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:14,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:14,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:14,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:14,364 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_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-11-19 03:33:14,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:14,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:14,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:14,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:14,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:14,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-19 03:33:17,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:18,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:18,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-19 03:33:18,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/data/ccf53d72d/95af1d051d914746b9a518cb58fa3f63/FLAG5f2d036a2 [2023-11-19 03:33:18,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/data/ccf53d72d/95af1d051d914746b9a518cb58fa3f63 [2023-11-19 03:33:18,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:18,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:18,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:18,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:18,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:18,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:18" (1/1) ... [2023-11-19 03:33:18,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a8e716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:18, skipping insertion in model container [2023-11-19 03:33:18,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:18" (1/1) ... [2023-11-19 03:33:18,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:19,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:19,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:19,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:19,633 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:19,641 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:19,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19 WrapperNode [2023-11-19 03:33:19,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:19,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:19,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:19,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:19,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,828 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-11-19 03:33:19,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:19,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:19,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:19,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:19,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:19,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:19,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:19,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:19,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:20,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:19" (1/1) ... [2023-11-19 03:33:20,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:20,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:20,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af984522-3109-4e01-bb74-d4f7a73cc59a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:33:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:33:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:33:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:33:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-19 03:33:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-19 03:33:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:33:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:33:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:33:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:33:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:33:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-19 03:33:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-19 03:33:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:33:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-19 03:33:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-19 03:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:20,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:20,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:22,142 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:23,828 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:23,829 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:33:23,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:23 BoogieIcfgContainer [2023-11-19 03:33:23,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:23,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:23,846 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:23,856 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:23,856 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:23" (1/1) ... [2023-11-19 03:33:23,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-11-19 03:33:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-11-19 03:33:23,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:33:23,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:24,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:24,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:24,356 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-19 03:33:24,357 INFO L378 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 [2023-11-19 03:33:24,369 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 8 treesize of output 7 [2023-11-19 03:33:24,413 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 8 treesize of output 7 [2023-11-19 03:33:24,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2023-11-19 03:33:24,515 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:33:24,517 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 03:33:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:33:24,523 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 [2023-11-19 03:33:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-11-19 03:33:24,600 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-11-19 03:33:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:33:24,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:24,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:24,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:24,742 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-19 03:33:24,742 INFO L378 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 [2023-11-19 03:33:24,753 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 8 treesize of output 7 [2023-11-19 03:33:24,780 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 8 treesize of output 7 [2023-11-19 03:33:24,811 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 03:33:24,823 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:33:24,824 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-19 03:33:24,828 INFO L378 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 [2023-11-19 03:33:24,850 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:33:24,851 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 03:33:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:33:24,857 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 [2023-11-19 03:33:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 200 states and 310 transitions. [2023-11-19 03:33:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 310 transitions. [2023-11-19 03:33:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:33:24,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:24,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:24,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:24,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:24,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 200 states and 308 transitions. [2023-11-19 03:33:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2023-11-19 03:33:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:33:24,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:25,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 200 states and 302 transitions. [2023-11-19 03:33:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 302 transitions. [2023-11-19 03:33:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:33:25,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:25,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2023-11-19 03:33:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2023-11-19 03:33:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:33:25,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:25,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:25,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 198 states and 290 transitions. [2023-11-19 03:33:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 290 transitions. [2023-11-19 03:33:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:33:25,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:25,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:25,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:35,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:33:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 198 states and 288 transitions. [2023-11-19 03:33:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 288 transitions. [2023-11-19 03:33:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:35,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:35,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:36,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:33:36,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:36,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:46,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:33:56,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:02,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 216 states and 315 transitions. [2023-11-19 03:34:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 315 transitions. [2023-11-19 03:34:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:34:02,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:02,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:02,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:06,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:06,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 235 states and 343 transitions. [2023-11-19 03:34:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 343 transitions. [2023-11-19 03:34:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:34:06,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:06,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:06,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:06,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:11,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 235 states and 341 transitions. [2023-11-19 03:34:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 341 transitions. [2023-11-19 03:34:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:34:11,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:11,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:11,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:11,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:34:21,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []