./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:59:41,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:59:41,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 21:59:41,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:59:41,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:59:41,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:59:41,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:59:41,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:59:41,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:59:41,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:59:41,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:59:41,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:59:41,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:59:41,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:59:41,797 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:59:41,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:59:41,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:59:41,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:59:41,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:59:41,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:59:41,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:59:41,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:59:41,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:59:41,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:59:41,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:59:41,802 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:59:41,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:59:41,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:59:41,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:59:41,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:59:41,804 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:59:41,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:59:41,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:59:41,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:59:41,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:59:41,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:59:41,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:59:41,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:59:41,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:59:41,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:59:41,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:59:41,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:59:41,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:59:41,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:59:41,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2024-11-10 21:59:42,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:59:42,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:59:42,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:59:42,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:59:42,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:59:42,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-10 21:59:43,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:59:43,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:59:43,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-10 21:59:43,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a4ff2ce/f57b224c7eb34dd7908d3702f57f6a89/FLAG92c00a0dc [2024-11-10 21:59:43,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a4ff2ce/f57b224c7eb34dd7908d3702f57f6a89 [2024-11-10 21:59:43,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:59:43,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:59:43,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:59:43,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:59:43,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:59:43,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:43" (1/1) ... [2024-11-10 21:59:43,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6393d36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:43, skipping insertion in model container [2024-11-10 21:59:43,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:43" (1/1) ... [2024-11-10 21:59:44,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:59:44,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:59:44,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:59:45,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:59:45,050 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:59:45,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45 WrapperNode [2024-11-10 21:59:45,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:59:45,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:59:45,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:59:45,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:59:45,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,239 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3421 [2024-11-10 21:59:45,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:59:45,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:59:45,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:59:45,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:59:45,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,356 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-10 21:59:45,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,412 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:59:45,463 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:59:45,463 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:59:45,464 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:59:45,465 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (1/1) ... [2024-11-10 21:59:45,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:59:45,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:59:45,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:59:45,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-10 21:59:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 21:59:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 21:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 21:59:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:59:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:59:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 21:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 21:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:59:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:59:45,742 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:59:45,745 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:59:48,291 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 21:59:48,575 INFO L? ?]: Removed 834 outVars from TransFormulas that were not future-live. [2024-11-10 21:59:48,575 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:59:48,665 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:59:48,665 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 21:59:48,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:48 BoogieIcfgContainer [2024-11-10 21:59:48,666 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:59:48,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:59:48,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:59:48,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:59:48,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:59:43" (1/3) ... [2024-11-10 21:59:48,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdfdb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:48, skipping insertion in model container [2024-11-10 21:59:48,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:45" (2/3) ... [2024-11-10 21:59:48,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdfdb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:48, skipping insertion in model container [2024-11-10 21:59:48,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:48" (3/3) ... [2024-11-10 21:59:48,677 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2024-11-10 21:59:48,694 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:59:48,694 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 21:59:48,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:59:48,818 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45bd5b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:59:48,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 21:59:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 1431 states, 914 states have (on average 1.823851203501094) internal successors, (1667), 1424 states have internal predecessors, (1667), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-10 21:59:48,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:59:48,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:59:48,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:59:48,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 21:59:48,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:59:48,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1818161607, now seen corresponding path program 1 times [2024-11-10 21:59:48,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:59:48,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177279752] [2024-11-10 21:59:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:59:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:59:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:59:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:59:49,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:59:49,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177279752] [2024-11-10 21:59:49,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177279752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:59:49,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:59:49,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 21:59:49,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534229221] [2024-11-10 21:59:49,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:59:49,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:59:49,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:59:49,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:59:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:59:49,073 INFO L87 Difference]: Start difference. First operand has 1431 states, 914 states have (on average 1.823851203501094) internal successors, (1667), 1424 states have internal predecessors, (1667), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:59:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:59:49,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:59:49,212 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:59:49,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 492 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:59:49,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:59:49,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 21:59:49,221 INFO L158 Benchmark]: Toolchain (without parser) took 5233.78ms. Allocated memory was 142.6MB in the beginning and 274.7MB in the end (delta: 132.1MB). Free memory was 88.1MB in the beginning and 140.8MB in the end (delta: -52.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,222 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:59:49,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1063.72ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 88.1MB in the beginning and 133.7MB in the end (delta: -45.6MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.59ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 115.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,223 INFO L158 Benchmark]: Boogie Preprocessor took 221.82ms. Allocated memory is still 192.9MB. Free memory was 115.9MB in the beginning and 91.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,224 INFO L158 Benchmark]: IcfgBuilder took 3202.57ms. Allocated memory was 192.9MB in the beginning and 274.7MB in the end (delta: 81.8MB). Free memory was 91.8MB in the beginning and 177.5MB in the end (delta: -85.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,225 INFO L158 Benchmark]: TraceAbstraction took 551.52ms. Allocated memory is still 274.7MB. Free memory was 177.5MB in the beginning and 140.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 21:59:49,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1063.72ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 88.1MB in the beginning and 133.7MB in the end (delta: -45.6MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.59ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 115.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 221.82ms. Allocated memory is still 192.9MB. Free memory was 115.9MB in the beginning and 91.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * IcfgBuilder took 3202.57ms. Allocated memory was 192.9MB in the beginning and 274.7MB in the end (delta: 81.8MB). Free memory was 91.8MB in the beginning and 177.5MB in the end (delta: -85.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * TraceAbstraction took 551.52ms. Allocated memory is still 274.7MB. Free memory was 177.5MB in the beginning and 140.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 21:59:49,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:59:51,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:59:51,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-10 21:59:51,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:59:51,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:59:51,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:59:51,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:59:51,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:59:51,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:59:51,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:59:51,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:59:51,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:59:51,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:59:51,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:59:51,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:59:51,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:59:51,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:59:51,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:59:51,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:59:51,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:59:51,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:59:51,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:59:51,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:59:51,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:59:51,616 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:59:51,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:59:51,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:59:51,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:59:51,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:59:51,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:59:51,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:59:51,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:59:51,618 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:59:51,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:59:51,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:59:51,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:59:51,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:59:51,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:59:51,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:59:51,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:59:51,623 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:59:51,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:59:51,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:59:51,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:59:51,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:59:51,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:59:51,626 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2024-11-10 21:59:51,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:59:51,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:59:51,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:59:51,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:59:51,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:59:51,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-10 21:59:53,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:59:53,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:59:53,884 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-10 21:59:53,914 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a119c8b3f/fe2ba633cd75404780779df704526709/FLAGe995fc6ff [2024-11-10 21:59:53,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a119c8b3f/fe2ba633cd75404780779df704526709 [2024-11-10 21:59:53,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:59:53,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:59:53,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:59:53,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:59:53,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:59:53,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:53" (1/1) ... [2024-11-10 21:59:53,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a531cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:53, skipping insertion in model container [2024-11-10 21:59:53,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:53" (1/1) ... [2024-11-10 21:59:54,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:59:54,606 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,625 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,633 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,639 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,649 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,677 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,678 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,684 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,693 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,695 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,698 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,699 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,701 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,701 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,705 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:59:54,730 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-10 21:59:54,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:59:54,872 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,894 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,896 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,902 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,909 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,942 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,942 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,944 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,946 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,946 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,947 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,948 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,950 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 21:59:54,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:59:54,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:59:55,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:59:55,164 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:59:55,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55 WrapperNode [2024-11-10 21:59:55,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:59:55,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:59:55,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:59:55,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:59:55,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,361 INFO L138 Inliner]: procedures = 180, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3016 [2024-11-10 21:59:55,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:59:55,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:59:55,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:59:55,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:59:55,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,504 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-10 21:59:55,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:59:55,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:59:55,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:59:55,642 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:59:55,642 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (1/1) ... [2024-11-10 21:59:55,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:59:55,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:59:55,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:59:55,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:59:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-10 21:59:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-10 21:59:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-10 21:59:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 21:59:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:59:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 21:59:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:59:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:59:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 21:59:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 21:59:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 21:59:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 21:59:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 21:59:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 21:59:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-10 21:59:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:59:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:59:55,968 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:59:55,970 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:00:05,721 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 22:00:05,991 INFO L? ?]: Removed 643 outVars from TransFormulas that were not future-live. [2024-11-10 22:00:05,992 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:00:06,029 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:00:06,030 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:00:06,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:00:06 BoogieIcfgContainer [2024-11-10 22:00:06,030 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:00:06,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:00:06,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:00:06,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:00:06,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:59:53" (1/3) ... [2024-11-10 22:00:06,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732fa80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:00:06, skipping insertion in model container [2024-11-10 22:00:06,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:55" (2/3) ... [2024-11-10 22:00:06,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732fa80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:00:06, skipping insertion in model container [2024-11-10 22:00:06,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:00:06" (3/3) ... [2024-11-10 22:00:06,042 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2024-11-10 22:00:06,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:00:06,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 22:00:06,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:00:06,220 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@200b3195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:00:06,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 22:00:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 1228 states, 711 states have (on average 1.8917018284106892) internal successors, (1345), 1221 states have internal predecessors, (1345), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-10 22:00:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 22:00:06,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:06,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:06,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 22:00:06,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:06,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1289074469, now seen corresponding path program 1 times [2024-11-10 22:00:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 22:00:06,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291339474] [2024-11-10 22:00:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 22:00:06,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 22:00:06,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 22:00:06,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 22:00:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:06,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 22:00:06,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:00:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:06,494 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 22:00:06,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 22:00:06,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291339474] [2024-11-10 22:00:06,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291339474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:06,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:06,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:00:06,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941050747] [2024-11-10 22:00:06,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:06,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 22:00:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 22:00:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 22:00:06,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 22:00:06,532 INFO L87 Difference]: Start difference. First operand has 1228 states, 711 states have (on average 1.8917018284106892) internal successors, (1345), 1221 states have internal predecessors, (1345), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 22:00:06,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 22:00:06,589 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:06,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 22:00:06,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 22:00:06,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 22:00:06,794 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 22:00:06,798 INFO L158 Benchmark]: Toolchain (without parser) took 12861.97ms. Allocated memory was 67.1MB in the beginning and 167.8MB in the end (delta: 100.7MB). Free memory was 45.1MB in the beginning and 89.2MB in the end (delta: -44.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-10 22:00:06,798 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 26.2MB in the beginning and 26.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:00:06,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.94ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 29.3MB in the end (delta: 15.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-10 22:00:06,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.28ms. Allocated memory is still 86.0MB. Free memory was 29.3MB in the beginning and 44.3MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:00:06,803 INFO L158 Benchmark]: Boogie Preprocessor took 274.85ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 44.4MB in the end (delta: -65.2kB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 22:00:06,804 INFO L158 Benchmark]: IcfgBuilder took 10390.50ms. Allocated memory was 86.0MB in the beginning and 167.8MB in the end (delta: 81.8MB). Free memory was 44.4MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-11-10 22:00:06,806 INFO L158 Benchmark]: TraceAbstraction took 765.21ms. Allocated memory is still 167.8MB. Free memory was 58.2MB in the beginning and 89.2MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:00:06,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 26.2MB in the beginning and 26.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.94ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 29.3MB in the end (delta: 15.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.28ms. Allocated memory is still 86.0MB. Free memory was 29.3MB in the beginning and 44.3MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 274.85ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 44.4MB in the end (delta: -65.2kB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * IcfgBuilder took 10390.50ms. Allocated memory was 86.0MB in the beginning and 167.8MB in the end (delta: 81.8MB). Free memory was 44.4MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * TraceAbstraction took 765.21ms. Allocated memory is still 167.8MB. Free memory was 58.2MB in the beginning and 89.2MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 22:00:06,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null