./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:19:48,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:19:48,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:19:48,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:19:48,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:19:48,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:19:48,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:19:48,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:19:48,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:19:48,765 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:19:48,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:19:48,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:19:48,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:19:48,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:19:48,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:19:48,768 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:19:48,768 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:19:48,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:19:48,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:19:48,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:19:48,770 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2025-01-10 06:19:49,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:19:49,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:19:49,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:19:49,024 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:19:49,024 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:19:49,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2025-01-10 06:19:50,314 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05c7c1944/05f0c66093944f6ba5999df7b6debf3b/FLAG340adaa08 [2025-01-10 06:19:50,728 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:19:50,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2025-01-10 06:19:50,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05c7c1944/05f0c66093944f6ba5999df7b6debf3b/FLAG340adaa08 [2025-01-10 06:19:50,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05c7c1944/05f0c66093944f6ba5999df7b6debf3b [2025-01-10 06:19:50,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:19:50,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:19:50,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:19:50,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:19:50,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:19:50,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:19:50" (1/1) ... [2025-01-10 06:19:50,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417e94a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:50, skipping insertion in model container [2025-01-10 06:19:50,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:19:50" (1/1) ... [2025-01-10 06:19:50,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:19:51,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:19:51,444 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:19:51,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:19:51,597 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:19:51,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51 WrapperNode [2025-01-10 06:19:51,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:19:51,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:19:51,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:19:51,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:19:51,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,675 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1442 [2025-01-10 06:19:51,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:19:51,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:19:51,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:19:51,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:19:51,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,750 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 34, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 4, 49]. [2025-01-10 06:19:51,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,780 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:19:51,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:19:51,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:19:51,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:19:51,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (1/1) ... [2025-01-10 06:19:51,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:19:51,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:19:51,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:19:51,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:19:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-10 06:19:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-10 06:19:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:19:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:19:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-01-10 06:19:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-10 06:19:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 06:19:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:19:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-01-10 06:19:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-01-10 06:19:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-10 06:19:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:19:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:19:52,131 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:19:52,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:19:53,274 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2025-01-10 06:19:53,274 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:19:53,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:19:53,295 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2025-01-10 06:19:53,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:19:53 BoogieIcfgContainer [2025-01-10 06:19:53,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:19:53,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:19:53,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:19:53,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:19:53,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:19:50" (1/3) ... [2025-01-10 06:19:53,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5d4451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:19:53, skipping insertion in model container [2025-01-10 06:19:53,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:19:51" (2/3) ... [2025-01-10 06:19:53,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5d4451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:19:53, skipping insertion in model container [2025-01-10 06:19:53,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:19:53" (3/3) ... [2025-01-10 06:19:53,303 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2025-01-10 06:19:53,317 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:19:53,318 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test6-1.i that has 6 procedures, 461 locations, 1 initial locations, 36 loop locations, and 14 error locations. [2025-01-10 06:19:53,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:19:53,389 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;@7f668f73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:19:53,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2025-01-10 06:19:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 424 states have (on average 1.596698113207547) internal successors, (677), 441 states have internal predecessors, (677), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 06:19:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:19:53,399 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:53,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:53,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:53,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash -885637860, now seen corresponding path program 1 times [2025-01-10 06:19:53,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:53,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676733894] [2025-01-10 06:19:53,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:53,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:19:53,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:19:53,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:53,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:53,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:53,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676733894] [2025-01-10 06:19:53,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676733894] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:53,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:53,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:19:53,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929729681] [2025-01-10 06:19:53,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 06:19:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:53,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 06:19:53,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 06:19:53,555 INFO L87 Difference]: Start difference. First operand has 461 states, 424 states have (on average 1.596698113207547) internal successors, (677), 441 states have internal predecessors, (677), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2025-01-10 06:19:53,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:53,603 INFO L93 Difference]: Finished difference Result 915 states and 1429 transitions. [2025-01-10 06:19:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 06:19:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2025-01-10 06:19:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:53,613 INFO L225 Difference]: With dead ends: 915 [2025-01-10 06:19:53,613 INFO L226 Difference]: Without dead ends: 442 [2025-01-10 06:19:53,617 INFO L434 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 [2025-01-10 06:19:53,619 INFO L435 NwaCegarLoop]: 640 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, 640 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 [2025-01-10 06:19:53,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-01-10 06:19:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-01-10 06:19:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 414 states have (on average 1.4492753623188406) internal successors, (600), 428 states have internal predecessors, (600), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:19:53,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 620 transitions. [2025-01-10 06:19:53,675 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 620 transitions. Word has length 9 [2025-01-10 06:19:53,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:53,676 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 620 transitions. [2025-01-10 06:19:53,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2025-01-10 06:19:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 620 transitions. [2025-01-10 06:19:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:19:53,676 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:53,676 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:53,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:19:53,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:53,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:53,677 INFO L85 PathProgramCache]: Analyzing trace with hash -885635938, now seen corresponding path program 1 times [2025-01-10 06:19:53,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:53,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485146295] [2025-01-10 06:19:53,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:53,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:19:53,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:19:53,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:53,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:19:53,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36381530] [2025-01-10 06:19:53,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:53,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:19:53,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:19:53,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 06:19:53,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:19:53,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:19:53,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:53,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:53,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:19:53,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:19:53,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:19:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:53,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:19:53,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:53,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485146295] [2025-01-10 06:19:53,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:19:53,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36381530] [2025-01-10 06:19:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36381530] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:53,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:19:53,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671792302] [2025-01-10 06:19:53,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:53,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:19:53,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:53,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:19:53,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:19:53,940 INFO L87 Difference]: Start difference. First operand 442 states and 620 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-01-10 06:19:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:54,098 INFO L93 Difference]: Finished difference Result 850 states and 1207 transitions. [2025-01-10 06:19:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:19:54,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2025-01-10 06:19:54,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:54,102 INFO L225 Difference]: With dead ends: 850 [2025-01-10 06:19:54,102 INFO L226 Difference]: Without dead ends: 848 [2025-01-10 06:19:54,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:19:54,103 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 560 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:54,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1786 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:19:54,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2025-01-10 06:19:54,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 450. [2025-01-10 06:19:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4431279620853081) internal successors, (609), 436 states have internal predecessors, (609), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:19:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2025-01-10 06:19:54,123 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 9 [2025-01-10 06:19:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:54,123 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2025-01-10 06:19:54,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-01-10 06:19:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2025-01-10 06:19:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 06:19:54,125 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:54,125 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:54,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 06:19:54,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:54,326 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:54,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:54,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1806289507, now seen corresponding path program 1 times [2025-01-10 06:19:54,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632846786] [2025-01-10 06:19:54,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:54,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:54,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 06:19:54,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:19:54,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:54,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:54,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:54,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632846786] [2025-01-10 06:19:54,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632846786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:54,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:54,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 06:19:54,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374673045] [2025-01-10 06:19:54,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:54,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:19:54,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:54,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:19:54,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:19:54,719 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:54,786 INFO L93 Difference]: Finished difference Result 893 states and 1250 transitions. [2025-01-10 06:19:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:19:54,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-01-10 06:19:54,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:54,788 INFO L225 Difference]: With dead ends: 893 [2025-01-10 06:19:54,788 INFO L226 Difference]: Without dead ends: 453 [2025-01-10 06:19:54,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:19:54,789 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 102 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:54,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1760 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:54,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-01-10 06:19:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2025-01-10 06:19:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4265402843601895) internal successors, (602), 436 states have internal predecessors, (602), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:19:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2025-01-10 06:19:54,801 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 64 [2025-01-10 06:19:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:54,801 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2025-01-10 06:19:54,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2025-01-10 06:19:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 06:19:54,803 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:54,803 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:54,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:19:54,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:54,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2141262703, now seen corresponding path program 1 times [2025-01-10 06:19:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449424050] [2025-01-10 06:19:54,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:54,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 06:19:54,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:19:54,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:54,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:55,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:55,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449424050] [2025-01-10 06:19:55,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449424050] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:55,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:55,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:19:55,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607540663] [2025-01-10 06:19:55,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:55,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:19:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:55,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:19:55,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:55,024 INFO L87 Difference]: Start difference. First operand 450 states and 622 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:55,084 INFO L93 Difference]: Finished difference Result 896 states and 1242 transitions. [2025-01-10 06:19:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:19:55,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-01-10 06:19:55,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:55,091 INFO L225 Difference]: With dead ends: 896 [2025-01-10 06:19:55,091 INFO L226 Difference]: Without dead ends: 456 [2025-01-10 06:19:55,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:55,092 INFO L435 NwaCegarLoop]: 607 mSDtfsCounter, 1 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:55,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1192 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:55,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2025-01-10 06:19:55,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2025-01-10 06:19:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 428 states have (on average 1.4205607476635513) internal successors, (608), 442 states have internal predecessors, (608), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:19:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 628 transitions. [2025-01-10 06:19:55,110 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 628 transitions. Word has length 64 [2025-01-10 06:19:55,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:55,110 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 628 transitions. [2025-01-10 06:19:55,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 628 transitions. [2025-01-10 06:19:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 06:19:55,114 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:55,114 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:55,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:19:55,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:55,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1878944979, now seen corresponding path program 1 times [2025-01-10 06:19:55,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:55,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528874487] [2025-01-10 06:19:55,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:55,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 06:19:55,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:19:55,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:55,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:55,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528874487] [2025-01-10 06:19:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528874487] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:55,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:55,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:19:55,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172793294] [2025-01-10 06:19:55,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:55,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:19:55,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:55,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:19:55,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:19:55,327 INFO L87 Difference]: Start difference. First operand 456 states and 628 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:55,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:55,380 INFO L93 Difference]: Finished difference Result 831 states and 1157 transitions. [2025-01-10 06:19:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:19:55,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-01-10 06:19:55,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:55,388 INFO L225 Difference]: With dead ends: 831 [2025-01-10 06:19:55,388 INFO L226 Difference]: Without dead ends: 827 [2025-01-10 06:19:55,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:19:55,389 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 455 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:55,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1817 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2025-01-10 06:19:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 819. [2025-01-10 06:19:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 788 states have (on average 1.4302030456852792) internal successors, (1127), 803 states have internal predecessors, (1127), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:19:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1153 transitions. [2025-01-10 06:19:55,421 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1153 transitions. Word has length 64 [2025-01-10 06:19:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:55,422 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 1153 transitions. [2025-01-10 06:19:55,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:19:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1153 transitions. [2025-01-10 06:19:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-10 06:19:55,423 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:55,423 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:55,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:19:55,423 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:55,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1333787786, now seen corresponding path program 1 times [2025-01-10 06:19:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:55,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746360428] [2025-01-10 06:19:55,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:55,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:55,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 06:19:55,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 06:19:55,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:55,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:55,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:55,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746360428] [2025-01-10 06:19:55,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746360428] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:55,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:55,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:19:55,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47517728] [2025-01-10 06:19:55,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:55,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:19:55,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:55,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:19:55,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:19:55,630 INFO L87 Difference]: Start difference. First operand 819 states and 1153 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2025-01-10 06:19:55,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:55,764 INFO L93 Difference]: Finished difference Result 1833 states and 2612 transitions. [2025-01-10 06:19:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:19:55,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) Word has length 69 [2025-01-10 06:19:55,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:55,771 INFO L225 Difference]: With dead ends: 1833 [2025-01-10 06:19:55,771 INFO L226 Difference]: Without dead ends: 1435 [2025-01-10 06:19:55,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:19:55,773 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 556 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:55,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 1779 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:19:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2025-01-10 06:19:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 819. [2025-01-10 06:19:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 788 states have (on average 1.4289340101522843) internal successors, (1126), 803 states have internal predecessors, (1126), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 06:19:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1152 transitions. [2025-01-10 06:19:55,815 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1152 transitions. Word has length 69 [2025-01-10 06:19:55,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:55,815 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 1152 transitions. [2025-01-10 06:19:55,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2025-01-10 06:19:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1152 transitions. [2025-01-10 06:19:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 06:19:55,816 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:55,816 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:55,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:19:55,817 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:55,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:55,817 INFO L85 PathProgramCache]: Analyzing trace with hash -752271464, now seen corresponding path program 1 times [2025-01-10 06:19:55,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:55,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630677473] [2025-01-10 06:19:55,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:55,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:55,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 06:19:55,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 06:19:55,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:55,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:56,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:56,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630677473] [2025-01-10 06:19:56,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630677473] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:56,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:56,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:19:56,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809209912] [2025-01-10 06:19:56,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:56,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:19:56,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:56,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:19:56,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:56,014 INFO L87 Difference]: Start difference. First operand 819 states and 1152 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:19:56,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:56,047 INFO L93 Difference]: Finished difference Result 1048 states and 1465 transitions. [2025-01-10 06:19:56,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:19:56,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2025-01-10 06:19:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:56,053 INFO L225 Difference]: With dead ends: 1048 [2025-01-10 06:19:56,053 INFO L226 Difference]: Without dead ends: 1046 [2025-01-10 06:19:56,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:56,054 INFO L435 NwaCegarLoop]: 611 mSDtfsCounter, 481 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:56,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1218 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:56,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2025-01-10 06:19:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1036. [2025-01-10 06:19:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 997 states have (on average 1.4312938816449348) internal successors, (1427), 1013 states have internal predecessors, (1427), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 06:19:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1463 transitions. [2025-01-10 06:19:56,101 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1463 transitions. Word has length 74 [2025-01-10 06:19:56,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:56,102 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1463 transitions. [2025-01-10 06:19:56,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:19:56,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1463 transitions. [2025-01-10 06:19:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-10 06:19:56,103 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:56,103 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:56,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:19:56,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:56,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:56,104 INFO L85 PathProgramCache]: Analyzing trace with hash -128073983, now seen corresponding path program 1 times [2025-01-10 06:19:56,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:56,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263732477] [2025-01-10 06:19:56,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:56,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:56,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 06:19:56,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 06:19:56,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:56,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:56,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:56,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263732477] [2025-01-10 06:19:56,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263732477] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:19:56,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101593558] [2025-01-10 06:19:56,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:19:56,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:19:56,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 06:19:56,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 06:19:56,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 06:19:56,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:56,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:56,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:19:56,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:19:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:56,785 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:19:56,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101593558] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:56,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:19:56,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-01-10 06:19:56,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348950998] [2025-01-10 06:19:56,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:56,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:19:56,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:56,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:19:56,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:19:56,786 INFO L87 Difference]: Start difference. First operand 1036 states and 1463 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:19:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:56,860 INFO L93 Difference]: Finished difference Result 1409 states and 1990 transitions. [2025-01-10 06:19:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:19:56,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2025-01-10 06:19:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:56,868 INFO L225 Difference]: With dead ends: 1409 [2025-01-10 06:19:56,868 INFO L226 Difference]: Without dead ends: 1408 [2025-01-10 06:19:56,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:19:56,869 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 578 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:56,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 2340 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:19:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2025-01-10 06:19:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1205. [2025-01-10 06:19:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1164 states have (on average 1.429553264604811) internal successors, (1664), 1181 states have internal predecessors, (1664), 20 states have call successors, (20), 10 states have call predecessors, (20), 7 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 06:19:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1704 transitions. [2025-01-10 06:19:56,933 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1704 transitions. Word has length 83 [2025-01-10 06:19:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:56,934 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1704 transitions. [2025-01-10 06:19:56,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:19:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1704 transitions. [2025-01-10 06:19:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 06:19:56,937 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:56,937 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:56,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 06:19:57,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:57,142 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:57,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:57,144 INFO L85 PathProgramCache]: Analyzing trace with hash 324673864, now seen corresponding path program 1 times [2025-01-10 06:19:57,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:57,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858799251] [2025-01-10 06:19:57,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:57,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 06:19:57,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 06:19:57,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:57,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858799251] [2025-01-10 06:19:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858799251] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:19:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657389003] [2025-01-10 06:19:57,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:19:57,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:19:57,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 06:19:57,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 06:19:57,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 06:19:57,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:57,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:57,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 06:19:57,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:19:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:57,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:19:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657389003] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:19:58,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:19:58,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2025-01-10 06:19:58,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603258918] [2025-01-10 06:19:58,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:19:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 06:19:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:58,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 06:19:58,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-01-10 06:19:58,067 INFO L87 Difference]: Start difference. First operand 1205 states and 1704 transitions. Second operand has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 06:19:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:58,980 INFO L93 Difference]: Finished difference Result 3286 states and 4636 transitions. [2025-01-10 06:19:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 06:19:58,981 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 84 [2025-01-10 06:19:58,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:58,998 INFO L225 Difference]: With dead ends: 3286 [2025-01-10 06:19:58,998 INFO L226 Difference]: Without dead ends: 3284 [2025-01-10 06:19:59,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 06:19:59,001 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 3287 mSDsluCounter, 10848 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 11521 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:59,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 11521 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 06:19:59,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2025-01-10 06:19:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 2797. [2025-01-10 06:19:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2709 states have (on average 1.4208194905869325) internal successors, (3849), 2728 states have internal predecessors, (3849), 56 states have call successors, (56), 23 states have call predecessors, (56), 18 states have return successors, (79), 45 states have call predecessors, (79), 56 states have call successors, (79) [2025-01-10 06:19:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3984 transitions. [2025-01-10 06:19:59,090 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3984 transitions. Word has length 84 [2025-01-10 06:19:59,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:59,090 INFO L471 AbstractCegarLoop]: Abstraction has 2797 states and 3984 transitions. [2025-01-10 06:19:59,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 06:19:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3984 transitions. [2025-01-10 06:19:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 06:19:59,091 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:59,091 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:59,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:19:59,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:59,292 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:59,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1241318815, now seen corresponding path program 1 times [2025-01-10 06:19:59,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:59,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980612827] [2025-01-10 06:19:59,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:59,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:59,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 06:19:59,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 06:19:59,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:59,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:19:59,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:59,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980612827] [2025-01-10 06:19:59,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980612827] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:19:59,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:19:59,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:19:59,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875689216] [2025-01-10 06:19:59,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:19:59,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:19:59,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:19:59,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:19:59,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:59,442 INFO L87 Difference]: Start difference. First operand 2797 states and 3984 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2025-01-10 06:19:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:19:59,589 INFO L93 Difference]: Finished difference Result 5650 states and 8067 transitions. [2025-01-10 06:19:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:19:59,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) Word has length 82 [2025-01-10 06:19:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:19:59,603 INFO L225 Difference]: With dead ends: 5650 [2025-01-10 06:19:59,604 INFO L226 Difference]: Without dead ends: 2863 [2025-01-10 06:19:59,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:19:59,611 INFO L435 NwaCegarLoop]: 796 mSDtfsCounter, 373 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:19:59,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1384 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:19:59,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2025-01-10 06:19:59,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 2852. [2025-01-10 06:19:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2771 states have (on average 1.4272825694695055) internal successors, (3955), 2789 states have internal predecessors, (3955), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2025-01-10 06:19:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4077 transitions. [2025-01-10 06:19:59,713 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4077 transitions. Word has length 82 [2025-01-10 06:19:59,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:19:59,713 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 4077 transitions. [2025-01-10 06:19:59,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2025-01-10 06:19:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4077 transitions. [2025-01-10 06:19:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-10 06:19:59,714 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:19:59,715 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:19:59,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:19:59,715 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:19:59,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:19:59,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1166443290, now seen corresponding path program 1 times [2025-01-10 06:19:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:19:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278771737] [2025-01-10 06:19:59,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:59,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:19:59,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-10 06:19:59,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 06:19:59,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:19:59,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:19:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:19:59,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:19:59,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278771737] [2025-01-10 06:19:59,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278771737] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:19:59,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585649095] [2025-01-10 06:19:59,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:19:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:19:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:19:59,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:19:59,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:20:00,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-10 06:20:00,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 06:20:00,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:00,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:00,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:20:00,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:20:00,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:20:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:20:00,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585649095] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:00,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-10 06:20:00,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 4] total 12 [2025-01-10 06:20:00,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928857689] [2025-01-10 06:20:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:00,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:20:00,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:00,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:20:00,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:20:00,521 INFO L87 Difference]: Start difference. First operand 2852 states and 4077 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 06:20:00,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:00,558 INFO L93 Difference]: Finished difference Result 2852 states and 4077 transitions. [2025-01-10 06:20:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:20:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2025-01-10 06:20:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:00,567 INFO L225 Difference]: With dead ends: 2852 [2025-01-10 06:20:00,567 INFO L226 Difference]: Without dead ends: 2851 [2025-01-10 06:20:00,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:20:00,568 INFO L435 NwaCegarLoop]: 609 mSDtfsCounter, 603 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:00,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 609 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:20:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2851 states. [2025-01-10 06:20:00,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2851 to 2851. [2025-01-10 06:20:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2771 states have (on average 1.4254781667268135) internal successors, (3950), 2788 states have internal predecessors, (3950), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2025-01-10 06:20:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 4072 transitions. [2025-01-10 06:20:00,629 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 4072 transitions. Word has length 93 [2025-01-10 06:20:00,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:00,629 INFO L471 AbstractCegarLoop]: Abstraction has 2851 states and 4072 transitions. [2025-01-10 06:20:00,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 06:20:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 4072 transitions. [2025-01-10 06:20:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 06:20:00,633 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:00,633 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:00,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:20:00,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 06:20:00,835 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:00,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:00,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1800003553, now seen corresponding path program 1 times [2025-01-10 06:20:00,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:00,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993583290] [2025-01-10 06:20:00,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:00,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:00,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 06:20:00,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 06:20:00,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:00,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:20:01,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:01,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993583290] [2025-01-10 06:20:01,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993583290] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:01,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012425468] [2025-01-10 06:20:01,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:01,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:01,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:01,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:20:01,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 06:20:01,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 06:20:01,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:01,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:01,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:20:01,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:20:01,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:20:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:20:01,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012425468] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:20:01,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:20:01,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 12 [2025-01-10 06:20:01,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990490126] [2025-01-10 06:20:01,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:20:01,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:20:01,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:01,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:20:01,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:20:01,590 INFO L87 Difference]: Start difference. First operand 2851 states and 4072 transitions. Second operand has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 06:20:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:02,077 INFO L93 Difference]: Finished difference Result 5468 states and 7786 transitions. [2025-01-10 06:20:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 06:20:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 94 [2025-01-10 06:20:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:02,094 INFO L225 Difference]: With dead ends: 5468 [2025-01-10 06:20:02,094 INFO L226 Difference]: Without dead ends: 5467 [2025-01-10 06:20:02,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=268, Unknown=0, NotChecked=0, Total=420 [2025-01-10 06:20:02,096 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 1846 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:02,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 3856 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 06:20:02,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2025-01-10 06:20:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 5086. [2025-01-10 06:20:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5086 states, 4930 states have (on average 1.4212981744421906) internal successors, (7007), 4950 states have internal predecessors, (7007), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2025-01-10 06:20:02,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5086 states to 5086 states and 7243 transitions. [2025-01-10 06:20:02,251 INFO L78 Accepts]: Start accepts. Automaton has 5086 states and 7243 transitions. Word has length 94 [2025-01-10 06:20:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:02,251 INFO L471 AbstractCegarLoop]: Abstraction has 5086 states and 7243 transitions. [2025-01-10 06:20:02,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 06:20:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 5086 states and 7243 transitions. [2025-01-10 06:20:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 06:20:02,253 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:02,253 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:02,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:20:02,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 06:20:02,454 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:02,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1092939878, now seen corresponding path program 1 times [2025-01-10 06:20:02,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:02,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043600316] [2025-01-10 06:20:02,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:02,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:02,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 06:20:02,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 06:20:02,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:02,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-10 06:20:02,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:02,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043600316] [2025-01-10 06:20:02,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043600316] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:20:02,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:20:02,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:20:02,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914808883] [2025-01-10 06:20:02,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:02,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:20:02,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:02,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:20:02,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:20:02,808 INFO L87 Difference]: Start difference. First operand 5086 states and 7243 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 06:20:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:03,008 INFO L93 Difference]: Finished difference Result 6616 states and 9446 transitions. [2025-01-10 06:20:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:20:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 120 [2025-01-10 06:20:03,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:03,041 INFO L225 Difference]: With dead ends: 6616 [2025-01-10 06:20:03,041 INFO L226 Difference]: Without dead ends: 6614 [2025-01-10 06:20:03,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:20:03,046 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 468 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:03,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1757 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:20:03,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6614 states. [2025-01-10 06:20:03,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6614 to 5254. [2025-01-10 06:20:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5254 states, 5089 states have (on average 1.4157987816859894) internal successors, (7205), 5110 states have internal predecessors, (7205), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2025-01-10 06:20:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 7462 transitions. [2025-01-10 06:20:03,224 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 7462 transitions. Word has length 120 [2025-01-10 06:20:03,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:03,224 INFO L471 AbstractCegarLoop]: Abstraction has 5254 states and 7462 transitions. [2025-01-10 06:20:03,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 06:20:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 7462 transitions. [2025-01-10 06:20:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 06:20:03,226 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:03,227 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:03,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 06:20:03,227 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:03,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:03,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1568796492, now seen corresponding path program 1 times [2025-01-10 06:20:03,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:03,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002429140] [2025-01-10 06:20:03,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:03,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 06:20:03,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 06:20:03,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:03,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:20:03,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:03,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002429140] [2025-01-10 06:20:03,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002429140] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:03,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592067286] [2025-01-10 06:20:03,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:03,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:03,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:03,528 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:03,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:20:03,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 06:20:03,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 06:20:03,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:03,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:03,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 06:20:03,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 06:20:03,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:20:03,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592067286] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:20:03,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:20:03,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2025-01-10 06:20:03,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148909211] [2025-01-10 06:20:03,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:03,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:20:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:03,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:20:03,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:20:03,923 INFO L87 Difference]: Start difference. First operand 5254 states and 7462 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:20:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:04,099 INFO L93 Difference]: Finished difference Result 9836 states and 14010 transitions. [2025-01-10 06:20:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 06:20:04,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 128 [2025-01-10 06:20:04,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:04,113 INFO L225 Difference]: With dead ends: 9836 [2025-01-10 06:20:04,113 INFO L226 Difference]: Without dead ends: 4998 [2025-01-10 06:20:04,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:20:04,121 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 161 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:04,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 2888 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:20:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2025-01-10 06:20:04,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4998. [2025-01-10 06:20:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 4850 states have (on average 1.4195876288659794) internal successors, (6885), 4869 states have internal predecessors, (6885), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2025-01-10 06:20:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 7114 transitions. [2025-01-10 06:20:04,223 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 7114 transitions. Word has length 128 [2025-01-10 06:20:04,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:04,223 INFO L471 AbstractCegarLoop]: Abstraction has 4998 states and 7114 transitions. [2025-01-10 06:20:04,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:20:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 7114 transitions. [2025-01-10 06:20:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-10 06:20:04,225 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:04,225 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:04,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 06:20:04,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 06:20:04,426 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:04,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1871212414, now seen corresponding path program 1 times [2025-01-10 06:20:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072932485] [2025-01-10 06:20:04,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:04,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-10 06:20:04,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-10 06:20:04,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:04,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 06:20:04,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:04,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072932485] [2025-01-10 06:20:04,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072932485] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:04,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926256283] [2025-01-10 06:20:04,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:04,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:04,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:04,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:20:05,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-10 06:20:05,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-10 06:20:05,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:05,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:05,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:20:05,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:05,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:20:05,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-10 06:20:05,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-01-10 06:20:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-10 06:20:05,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:20:05,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926256283] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:20:05,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:20:05,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2025-01-10 06:20:05,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615377593] [2025-01-10 06:20:05,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:05,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:20:05,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:05,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:20:05,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:20:05,894 INFO L87 Difference]: Start difference. First operand 4998 states and 7114 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 11 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 06:20:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:07,661 INFO L93 Difference]: Finished difference Result 11297 states and 16116 transitions. [2025-01-10 06:20:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:20:07,662 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 11 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 133 [2025-01-10 06:20:07,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:07,679 INFO L225 Difference]: With dead ends: 11297 [2025-01-10 06:20:07,679 INFO L226 Difference]: Without dead ends: 6394 [2025-01-10 06:20:07,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2025-01-10 06:20:07,688 INFO L435 NwaCegarLoop]: 577 mSDtfsCounter, 809 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:07,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 3734 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 06:20:07,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6394 states. [2025-01-10 06:20:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6394 to 5029. [2025-01-10 06:20:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5029 states, 4881 states have (on average 1.4179471419791025) internal successors, (6921), 4900 states have internal predecessors, (6921), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2025-01-10 06:20:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 7150 transitions. [2025-01-10 06:20:07,811 INFO L78 Accepts]: Start accepts. Automaton has 5029 states and 7150 transitions. Word has length 133 [2025-01-10 06:20:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:07,811 INFO L471 AbstractCegarLoop]: Abstraction has 5029 states and 7150 transitions. [2025-01-10 06:20:07,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 11 states have internal predecessors, (112), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 06:20:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 7150 transitions. [2025-01-10 06:20:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-10 06:20:07,813 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:07,813 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:07,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 06:20:08,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:08,014 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:08,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -277501011, now seen corresponding path program 1 times [2025-01-10 06:20:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331141843] [2025-01-10 06:20:08,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:08,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-10 06:20:08,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 06:20:08,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:08,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 06:20:08,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:08,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331141843] [2025-01-10 06:20:08,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331141843] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721136451] [2025-01-10 06:20:08,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:08,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:08,387 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:08,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:20:08,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-10 06:20:08,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 06:20:08,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:08,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:08,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 06:20:08,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:20:08,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:20:08,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721136451] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:20:08,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:20:08,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 11 [2025-01-10 06:20:08,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486903668] [2025-01-10 06:20:08,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:08,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:20:08,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:08,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:20:08,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:20:08,750 INFO L87 Difference]: Start difference. First operand 5029 states and 7150 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 06:20:08,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:08,860 INFO L93 Difference]: Finished difference Result 7957 states and 11301 transitions. [2025-01-10 06:20:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:20:08,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 134 [2025-01-10 06:20:08,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:08,872 INFO L225 Difference]: With dead ends: 7957 [2025-01-10 06:20:08,872 INFO L226 Difference]: Without dead ends: 3092 [2025-01-10 06:20:08,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:20:08,877 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 13 mSDsluCounter, 4189 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4792 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:08,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4792 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:20:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2025-01-10 06:20:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 3090. [2025-01-10 06:20:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 2988 states have (on average 1.4139892904953146) internal successors, (4225), 3004 states have internal predecessors, (4225), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2025-01-10 06:20:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 4344 transitions. [2025-01-10 06:20:08,936 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 4344 transitions. Word has length 134 [2025-01-10 06:20:08,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:08,936 INFO L471 AbstractCegarLoop]: Abstraction has 3090 states and 4344 transitions. [2025-01-10 06:20:08,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 06:20:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 4344 transitions. [2025-01-10 06:20:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-10 06:20:08,938 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:08,938 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:08,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 06:20:09,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 06:20:09,139 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:09,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:09,140 INFO L85 PathProgramCache]: Analyzing trace with hash -302690841, now seen corresponding path program 1 times [2025-01-10 06:20:09,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:09,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650625958] [2025-01-10 06:20:09,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:09,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-10 06:20:09,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-10 06:20:09,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:09,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:20:09,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:09,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650625958] [2025-01-10 06:20:09,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650625958] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:09,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549612933] [2025-01-10 06:20:09,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:09,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:09,578 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:09,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 06:20:09,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-10 06:20:09,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-10 06:20:09,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:09,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:09,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 06:20:09,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:20:10,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:20:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:20:10,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549612933] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:20:10,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:20:10,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 17 [2025-01-10 06:20:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849277477] [2025-01-10 06:20:10,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:20:10,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 06:20:10,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:10,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 06:20:10,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-01-10 06:20:10,143 INFO L87 Difference]: Start difference. First operand 3090 states and 4344 transitions. Second operand has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 06:20:10,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:10,500 INFO L93 Difference]: Finished difference Result 6069 states and 8552 transitions. [2025-01-10 06:20:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 06:20:10,500 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 136 [2025-01-10 06:20:10,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:10,506 INFO L225 Difference]: With dead ends: 6069 [2025-01-10 06:20:10,507 INFO L226 Difference]: Without dead ends: 3152 [2025-01-10 06:20:10,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2025-01-10 06:20:10,511 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 27 mSDsluCounter, 7181 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:10,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 7784 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:20:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2025-01-10 06:20:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3130. [2025-01-10 06:20:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 3027 states have (on average 1.4139411959035348) internal successors, (4280), 3040 states have internal predecessors, (4280), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2025-01-10 06:20:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4395 transitions. [2025-01-10 06:20:10,572 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4395 transitions. Word has length 136 [2025-01-10 06:20:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:10,572 INFO L471 AbstractCegarLoop]: Abstraction has 3130 states and 4395 transitions. [2025-01-10 06:20:10,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 06:20:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4395 transitions. [2025-01-10 06:20:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-10 06:20:10,573 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:10,574 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:10,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 06:20:10,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:10,775 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:10,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash -602316659, now seen corresponding path program 2 times [2025-01-10 06:20:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:10,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947612993] [2025-01-10 06:20:10,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:20:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:10,820 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 140 statements into 2 equivalence classes. [2025-01-10 06:20:10,991 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 06:20:10,991 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:20:10,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-10 06:20:11,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:11,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947612993] [2025-01-10 06:20:11,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947612993] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:11,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698614209] [2025-01-10 06:20:11,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:20:11,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:11,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:11,282 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:11,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 06:20:11,527 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 140 statements into 2 equivalence classes. [2025-01-10 06:20:11,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 140 statements. [2025-01-10 06:20:11,541 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:20:11,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:11,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:20:11,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:11,553 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 [2025-01-10 06:20:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-10 06:20:11,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:20:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698614209] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:20:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:20:11,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2025-01-10 06:20:11,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290247546] [2025-01-10 06:20:11,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:20:11,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:20:11,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:11,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:20:11,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:20:11,566 INFO L87 Difference]: Start difference. First operand 3130 states and 4395 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 06:20:11,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:11,616 INFO L93 Difference]: Finished difference Result 3130 states and 4395 transitions. [2025-01-10 06:20:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:20:11,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2025-01-10 06:20:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:11,629 INFO L225 Difference]: With dead ends: 3130 [2025-01-10 06:20:11,629 INFO L226 Difference]: Without dead ends: 3129 [2025-01-10 06:20:11,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:20:11,631 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 1 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:11,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1214 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:20:11,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2025-01-10 06:20:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3129. [2025-01-10 06:20:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 3027 states have (on average 1.4119590353485298) internal successors, (4274), 3039 states have internal predecessors, (4274), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2025-01-10 06:20:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4389 transitions. [2025-01-10 06:20:11,729 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4389 transitions. Word has length 140 [2025-01-10 06:20:11,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:11,729 INFO L471 AbstractCegarLoop]: Abstraction has 3129 states and 4389 transitions. [2025-01-10 06:20:11,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 06:20:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4389 transitions. [2025-01-10 06:20:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-10 06:20:11,731 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:11,731 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:11,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 06:20:11,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 06:20:11,932 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:11,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1491947140, now seen corresponding path program 1 times [2025-01-10 06:20:11,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:11,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509462747] [2025-01-10 06:20:11,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:11,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:11,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-10 06:20:12,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 06:20:12,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:12,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-10 06:20:12,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509462747] [2025-01-10 06:20:12,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509462747] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5621001] [2025-01-10 06:20:12,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:20:12,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:12,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:12,397 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:12,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 06:20:12,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-10 06:20:12,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 06:20:12,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:20:12,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:12,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:20:12,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 36 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 06:20:12,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:20:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-10 06:20:13,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5621001] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:20:13,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:20:13,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 9] total 27 [2025-01-10 06:20:13,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290306587] [2025-01-10 06:20:13,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:20:13,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 06:20:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:20:13,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 06:20:13,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2025-01-10 06:20:13,272 INFO L87 Difference]: Start difference. First operand 3129 states and 4389 transitions. Second operand has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 06:20:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:20:14,128 INFO L93 Difference]: Finished difference Result 5965 states and 8348 transitions. [2025-01-10 06:20:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 06:20:14,129 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 141 [2025-01-10 06:20:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:20:14,134 INFO L225 Difference]: With dead ends: 5965 [2025-01-10 06:20:14,134 INFO L226 Difference]: Without dead ends: 2838 [2025-01-10 06:20:14,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=380, Invalid=1512, Unknown=0, NotChecked=0, Total=1892 [2025-01-10 06:20:14,137 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 54 mSDsluCounter, 5632 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 6147 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 06:20:14,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 6147 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 06:20:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2838 states. [2025-01-10 06:20:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2838 to 2807. [2025-01-10 06:20:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2705 states have (on average 1.3874306839186692) internal successors, (3753), 2717 states have internal predecessors, (3753), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2025-01-10 06:20:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3868 transitions. [2025-01-10 06:20:14,186 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3868 transitions. Word has length 141 [2025-01-10 06:20:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:20:14,186 INFO L471 AbstractCegarLoop]: Abstraction has 2807 states and 3868 transitions. [2025-01-10 06:20:14,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 06:20:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3868 transitions. [2025-01-10 06:20:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-01-10 06:20:14,187 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:20:14,187 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:20:14,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 06:20:14,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:14,388 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-01-10 06:20:14,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:20:14,389 INFO L85 PathProgramCache]: Analyzing trace with hash -243863917, now seen corresponding path program 2 times [2025-01-10 06:20:14,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:20:14,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993037268] [2025-01-10 06:20:14,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:20:14,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:20:14,424 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-01-10 06:20:14,731 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-01-10 06:20:14,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:20:14,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 06:20:15,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:20:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993037268] [2025-01-10 06:20:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993037268] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:20:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941570855] [2025-01-10 06:20:15,577 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:20:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:20:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:20:15,579 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:20:15,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 06:20:15,890 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-01-10 06:20:16,055 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-01-10 06:20:16,056 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:20:16,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:20:16,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-10 06:20:16,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:20:43,779 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)