./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:14:16,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:14:16,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:14:16,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:14:16,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:14:16,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:14:16,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:14:16,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:14:16,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:14:16,762 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:14:16,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:14:16,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:14:16,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:14:16,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:14:16,763 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:14:16,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:14:16,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:14:16,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:14:16,765 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:14:16,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:14:16,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:14:16,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:14:16,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:14:16,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:14:16,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:14:16,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:14:16,766 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/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 valid-memcleanup) ) 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 -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2025-03-04 07:14:16,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:14:16,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:14:16,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:14:16,968 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:14:16,968 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:14:16,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2025-03-04 07:14:18,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ea7305/eebdf946947f42b18d764c36b1fa8e20/FLAG532ecbbd6 [2025-03-04 07:14:18,434 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:14:18,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2025-03-04 07:14:18,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ea7305/eebdf946947f42b18d764c36b1fa8e20/FLAG532ecbbd6 [2025-03-04 07:14:18,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ea7305/eebdf946947f42b18d764c36b1fa8e20 [2025-03-04 07:14:18,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:14:18,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:14:18,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:14:18,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:14:18,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:14:18,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:14:18" (1/1) ... [2025-03-04 07:14:18,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4be6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:18, skipping insertion in model container [2025-03-04 07:14:18,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:14:18" (1/1) ... [2025-03-04 07:14:18,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:14:19,085 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,102 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,106 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,109 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,114 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,137 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,138 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,141 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,142 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,143 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,145 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,147 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,148 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,149 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,151 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:19,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:14:19,172 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-04 07:14:19,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8ad770d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:19, skipping insertion in model container [2025-03-04 07:14:19,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:14:19,173 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:14:19,176 INFO L158 Benchmark]: Toolchain (without parser) took 507.95ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 85.8MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 07:14:19,176 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:14:19,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.18ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 85.8MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 07:14:19,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.18ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 85.8MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2239]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:14:20,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:14:20,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:14:20,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:14:20,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:14:20,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:14:20,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:14:20,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:14:20,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:14:20,961 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:14:20,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:14:20,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:14:20,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:14:20,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:14:20,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:14:20,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:14:20,964 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:14:20,965 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:14:20,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:14:20,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:14:20,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:14:20,967 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/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 valid-memcleanup) ) 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 -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2025-03-04 07:14:21,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:14:21,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:14:21,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:14:21,259 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:14:21,260 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:14:21,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2025-03-04 07:14:22,451 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c1eee73/1ace938587784673b3786788f94877c5/FLAG1dfbd9998 [2025-03-04 07:14:22,819 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:14:22,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2025-03-04 07:14:22,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c1eee73/1ace938587784673b3786788f94877c5/FLAG1dfbd9998 [2025-03-04 07:14:22,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c1eee73/1ace938587784673b3786788f94877c5 [2025-03-04 07:14:22,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:14:22,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:14:22,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:14:22,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:14:22,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:14:22,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:14:22" (1/1) ... [2025-03-04 07:14:22,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d9a917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:22, skipping insertion in model container [2025-03-04 07:14:22,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:14:22" (1/1) ... [2025-03-04 07:14:22,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:14:23,507 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,538 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,541 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,544 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,548 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,569 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,570 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,571 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,571 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,572 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,574 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,578 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,579 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,580 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:14:23,602 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:14:23,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:14:23,687 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,699 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,701 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,703 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,708 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,745 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,745 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,746 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,747 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,747 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,748 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,750 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,751 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,751 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,753 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:14:23,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:14:23,757 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:14:23,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:14:23,860 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:14:23,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23 WrapperNode [2025-03-04 07:14:23,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:14:23,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:14:23,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:14:23,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:14:23,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:23,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:23,990 INFO L138 Inliner]: procedures = 180, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2998 [2025-03-04 07:14:23,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:14:23,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:14:23,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:14:23,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:14:23,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:23,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,098 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-03-04 07:14:24,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:14:24,168 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:14:24,168 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:14:24,168 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:14:24,171 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (1/1) ... [2025-03-04 07:14:24,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:14:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:24,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 07:14:24,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 07:14:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:14:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:14:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:14:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 07:14:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 07:14:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 07:14:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 07:14:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:14:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:14:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:14:24,408 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:14:24,409 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:14:32,643 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-04 07:14:32,803 INFO L? ?]: Removed 637 outVars from TransFormulas that were not future-live. [2025-03-04 07:14:32,804 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:14:32,845 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:14:32,846 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:14:32,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:14:32 BoogieIcfgContainer [2025-03-04 07:14:32,846 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:14:32,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:14:32,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:14:32,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:14:32,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:14:22" (1/3) ... [2025-03-04 07:14:32,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40106b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:14:32, skipping insertion in model container [2025-03-04 07:14:32,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:14:23" (2/3) ... [2025-03-04 07:14:32,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40106b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:14:32, skipping insertion in model container [2025-03-04 07:14:32,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:14:32" (3/3) ... [2025-03-04 07:14:32,855 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-2.i [2025-03-04 07:14:32,865 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:14:32,866 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test9-2.i that has 6 procedures, 1208 locations, 1 initial locations, 36 loop locations, and 2 error locations. [2025-03-04 07:14:32,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:14:32,926 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=None, 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;@ef2c96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:14:32,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:14:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 1200 states, 689 states have (on average 1.9042089985486212) internal successors, (1312), 1193 states have internal predecessors, (1312), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2025-03-04 07:14:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-04 07:14:32,940 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:32,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:14:32,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:32,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:32,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1456785381, now seen corresponding path program 1 times [2025-03-04 07:14:32,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:32,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135558770] [2025-03-04 07:14:32,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:32,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:32,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:14:33,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 07:14:33,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 07:14:33,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:33,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:33,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:14:33,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:14:33,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:33,118 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:33,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135558770] [2025-03-04 07:14:33,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135558770] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:33,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:33,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:14:33,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781426921] [2025-03-04 07:14:33,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:33,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:14:33,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:33,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:14:33,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:14:33,145 INFO L87 Difference]: Start difference. First operand has 1200 states, 689 states have (on average 1.9042089985486212) internal successors, (1312), 1193 states have internal predecessors, (1312), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-03-04 07:14:33,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:33,226 INFO L93 Difference]: Finished difference Result 1198 states and 2255 transitions. [2025-03-04 07:14:33,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:14:33,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2025-03-04 07:14:33,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:33,250 INFO L225 Difference]: With dead ends: 1198 [2025-03-04 07:14:33,251 INFO L226 Difference]: Without dead ends: 1196 [2025-03-04 07:14:33,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:14:33,254 INFO L435 NwaCegarLoop]: 2255 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, 2255 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 [2025-03-04 07:14:33,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:14:33,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2025-03-04 07:14:33,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1196. [2025-03-04 07:14:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 687 states have (on average 1.8122270742358078) internal successors, (1245), 1189 states have internal predecessors, (1245), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-04 07:14:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 2253 transitions. [2025-03-04 07:14:33,631 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 2253 transitions. Word has length 11 [2025-03-04 07:14:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:33,631 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 2253 transitions. [2025-03-04 07:14:33,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-03-04 07:14:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 2253 transitions. [2025-03-04 07:14:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 07:14:33,632 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:33,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:14:33,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 07:14:33,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:33,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:33,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2122123227, now seen corresponding path program 1 times [2025-03-04 07:14:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:33,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051083053] [2025-03-04 07:14:33,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:33,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:33,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 07:14:33,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 07:14:33,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 07:14:33,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:33,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:33,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:14:33,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:14:34,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:34,004 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:34,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051083053] [2025-03-04 07:14:34,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051083053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:34,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:34,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:14:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181153326] [2025-03-04 07:14:34,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:34,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:14:34,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:34,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:14:34,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:14:34,006 INFO L87 Difference]: Start difference. First operand 1196 states and 2253 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-03-04 07:14:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:34,584 INFO L93 Difference]: Finished difference Result 2312 states and 4405 transitions. [2025-03-04 07:14:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:14:34,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2025-03-04 07:14:34,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:34,597 INFO L225 Difference]: With dead ends: 2312 [2025-03-04 07:14:34,597 INFO L226 Difference]: Without dead ends: 2312 [2025-03-04 07:14:34,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:14:34,598 INFO L435 NwaCegarLoop]: 2241 mSDtfsCounter, 1142 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:34,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 4468 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 07:14:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2025-03-04 07:14:34,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2282. [2025-03-04 07:14:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 1273 states have (on average 1.8523173605655932) internal successors, (2358), 2275 states have internal predecessors, (2358), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2025-03-04 07:14:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 4366 transitions. [2025-03-04 07:14:34,812 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 4366 transitions. Word has length 12 [2025-03-04 07:14:34,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:34,813 INFO L471 AbstractCegarLoop]: Abstraction has 2282 states and 4366 transitions. [2025-03-04 07:14:34,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-03-04 07:14:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 4366 transitions. [2025-03-04 07:14:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 07:14:34,813 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:34,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:14:34,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 07:14:35,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:35,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:35,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:35,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2122153018, now seen corresponding path program 1 times [2025-03-04 07:14:35,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:35,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197539587] [2025-03-04 07:14:35,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:35,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:35,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:35,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:35,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 07:14:35,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 07:14:35,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 07:14:35,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:35,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:35,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:14:35,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:35,158 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:14:35,158 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:14:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:14:35,164 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 30 treesize of output 39 [2025-03-04 07:14:35,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:14:35,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-04 07:14:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:14:35,228 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:35,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:35,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197539587] [2025-03-04 07:14:35,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197539587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:35,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:14:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033945647] [2025-03-04 07:14:35,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:35,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:14:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:35,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:14:35,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:14:35,229 INFO L87 Difference]: Start difference. First operand 2282 states and 4366 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-04 07:14:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:37,277 INFO L93 Difference]: Finished difference Result 4426 states and 8555 transitions. [2025-03-04 07:14:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:14:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2025-03-04 07:14:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:37,297 INFO L225 Difference]: With dead ends: 4426 [2025-03-04 07:14:37,297 INFO L226 Difference]: Without dead ends: 4426 [2025-03-04 07:14:37,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:14:37,298 INFO L435 NwaCegarLoop]: 2455 mSDtfsCounter, 1224 mSDsluCounter, 4181 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:37,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1727 Valid, 6636 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 07:14:37,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2025-03-04 07:14:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 2281. [2025-03-04 07:14:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 1272 states have (on average 1.8522012578616351) internal successors, (2356), 2274 states have internal predecessors, (2356), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2025-03-04 07:14:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 4364 transitions. [2025-03-04 07:14:37,835 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 4364 transitions. Word has length 12 [2025-03-04 07:14:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:37,835 INFO L471 AbstractCegarLoop]: Abstraction has 2281 states and 4364 transitions. [2025-03-04 07:14:37,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-04 07:14:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 4364 transitions. [2025-03-04 07:14:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 07:14:37,838 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:37,838 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:14:37,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 07:14:38,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:38,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:38,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash -120709599, now seen corresponding path program 1 times [2025-03-04 07:14:38,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:38,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239966899] [2025-03-04 07:14:38,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:38,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:38,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:38,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:38,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 07:14:38,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 07:14:38,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 07:14:38,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:38,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:38,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:14:38,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:14:38,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:38,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:38,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239966899] [2025-03-04 07:14:38,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239966899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:38,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:14:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641759809] [2025-03-04 07:14:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:14:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:38,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:14:38,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:14:38,363 INFO L87 Difference]: Start difference. First operand 2281 states and 4364 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:38,470 INFO L93 Difference]: Finished difference Result 2321 states and 4404 transitions. [2025-03-04 07:14:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:14:38,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-03-04 07:14:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:38,480 INFO L225 Difference]: With dead ends: 2321 [2025-03-04 07:14:38,480 INFO L226 Difference]: Without dead ends: 2321 [2025-03-04 07:14:38,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:14:38,482 INFO L435 NwaCegarLoop]: 2233 mSDtfsCounter, 9 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4451 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:38,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4451 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:14:38,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2025-03-04 07:14:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2321. [2025-03-04 07:14:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 1312 states have (on average 1.826219512195122) internal successors, (2396), 2314 states have internal predecessors, (2396), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2025-03-04 07:14:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 4404 transitions. [2025-03-04 07:14:38,632 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 4404 transitions. Word has length 81 [2025-03-04 07:14:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:38,632 INFO L471 AbstractCegarLoop]: Abstraction has 2321 states and 4404 transitions. [2025-03-04 07:14:38,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 4404 transitions. [2025-03-04 07:14:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 07:14:38,634 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:38,634 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:14:38,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 07:14:38,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:38,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:38,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1074938494, now seen corresponding path program 1 times [2025-03-04 07:14:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:38,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825482812] [2025-03-04 07:14:38,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:38,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:38,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:38,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 07:14:39,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 07:14:39,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 07:14:39,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:39,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:39,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:14:39,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:14:39,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:39,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:39,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825482812] [2025-03-04 07:14:39,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825482812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:39,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:39,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:14:39,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495417514] [2025-03-04 07:14:39,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:39,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:14:39,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:39,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:14:39,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:14:39,332 INFO L87 Difference]: Start difference. First operand 2321 states and 4404 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:43,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:14:47,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:14:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:51,036 INFO L93 Difference]: Finished difference Result 1344 states and 2431 transitions. [2025-03-04 07:14:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:14:51,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2025-03-04 07:14:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:51,042 INFO L225 Difference]: With dead ends: 1344 [2025-03-04 07:14:51,042 INFO L226 Difference]: Without dead ends: 1344 [2025-03-04 07:14:51,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:14:51,044 INFO L435 NwaCegarLoop]: 2256 mSDtfsCounter, 2427 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1005 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 3426 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:51,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 3426 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2025-03-04 07:14:51,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2025-03-04 07:14:51,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1276. [2025-03-04 07:14:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 767 states have (on average 1.7392438070404173) internal successors, (1334), 1269 states have internal predecessors, (1334), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-04 07:14:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2342 transitions. [2025-03-04 07:14:51,129 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2342 transitions. Word has length 81 [2025-03-04 07:14:51,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:51,130 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 2342 transitions. [2025-03-04 07:14:51,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2342 transitions. [2025-03-04 07:14:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-04 07:14:51,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:51,133 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:14:51,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 07:14:51,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:51,337 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:51,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1170808301, now seen corresponding path program 1 times [2025-03-04 07:14:51,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:51,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018614214] [2025-03-04 07:14:51,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:51,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:51,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:51,340 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:51,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 07:14:51,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-04 07:14:51,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-04 07:14:51,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:51,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:51,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:14:51,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 07:14:51,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:51,665 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:51,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018614214] [2025-03-04 07:14:51,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018614214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:51,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:14:51,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348807947] [2025-03-04 07:14:51,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:51,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:14:51,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:51,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:14:51,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:14:51,667 INFO L87 Difference]: Start difference. First operand 1276 states and 2342 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:14:51,789 INFO L93 Difference]: Finished difference Result 1242 states and 2286 transitions. [2025-03-04 07:14:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:14:51,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-03-04 07:14:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:14:51,794 INFO L225 Difference]: With dead ends: 1242 [2025-03-04 07:14:51,794 INFO L226 Difference]: Without dead ends: 1242 [2025-03-04 07:14:51,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:14:51,795 INFO L435 NwaCegarLoop]: 2219 mSDtfsCounter, 32 mSDsluCounter, 4424 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 6643 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:14:51,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 6643 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:14:51,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2025-03-04 07:14:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1242. [2025-03-04 07:14:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 733 states have (on average 1.7435197817189632) internal successors, (1278), 1235 states have internal predecessors, (1278), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-04 07:14:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 2286 transitions. [2025-03-04 07:14:51,879 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 2286 transitions. Word has length 90 [2025-03-04 07:14:51,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:14:51,880 INFO L471 AbstractCegarLoop]: Abstraction has 1242 states and 2286 transitions. [2025-03-04 07:14:51,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 2286 transitions. [2025-03-04 07:14:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-04 07:14:51,881 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:14:51,881 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:14:51,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 07:14:52,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:52,083 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:14:52,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:14:52,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1910435162, now seen corresponding path program 1 times [2025-03-04 07:14:52,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:14:52,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700480238] [2025-03-04 07:14:52,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:14:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:14:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:14:52,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:14:52,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 07:14:52,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-04 07:14:52,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-04 07:14:52,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:14:52,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:14:52,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:14:52,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:14:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 07:14:52,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:14:52,497 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:14:52,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700480238] [2025-03-04 07:14:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700480238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:14:52,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:14:52,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:14:52,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448020837] [2025-03-04 07:14:52,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:14:52,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:14:52,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:14:52,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:14:52,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:14:52,498 INFO L87 Difference]: Start difference. First operand 1242 states and 2286 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:14:56,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:15:01,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:15:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:04,253 INFO L93 Difference]: Finished difference Result 1244 states and 2288 transitions. [2025-03-04 07:15:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:15:04,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-03-04 07:15:04,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:04,258 INFO L225 Difference]: With dead ends: 1244 [2025-03-04 07:15:04,258 INFO L226 Difference]: Without dead ends: 1244 [2025-03-04 07:15:04,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:15:04,259 INFO L435 NwaCegarLoop]: 2210 mSDtfsCounter, 1209 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:04,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 4430 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2025-03-04 07:15:04,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2025-03-04 07:15:04,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1243. [2025-03-04 07:15:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 734 states have (on average 1.7425068119891007) internal successors, (1279), 1236 states have internal predecessors, (1279), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-04 07:15:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 2287 transitions. [2025-03-04 07:15:04,343 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 2287 transitions. Word has length 90 [2025-03-04 07:15:04,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:04,344 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 2287 transitions. [2025-03-04 07:15:04,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2287 transitions. [2025-03-04 07:15:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-04 07:15:04,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:04,345 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:15:04,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 07:15:04,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:04,546 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:04,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1910464953, now seen corresponding path program 1 times [2025-03-04 07:15:04,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:04,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454978230] [2025-03-04 07:15:04,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:15:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:04,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:04,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:04,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 07:15:04,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-04 07:15:04,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-04 07:15:04,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:15:04,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:04,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:15:04,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 07:15:04,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:15:04,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:04,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454978230] [2025-03-04 07:15:04,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454978230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:15:04,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:15:04,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:15:04,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451404174] [2025-03-04 07:15:04,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:15:04,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:15:04,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:04,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:15:04,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:15:04,959 INFO L87 Difference]: Start difference. First operand 1243 states and 2287 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:05,039 INFO L93 Difference]: Finished difference Result 1246 states and 2291 transitions. [2025-03-04 07:15:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:15:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2025-03-04 07:15:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:05,048 INFO L225 Difference]: With dead ends: 1246 [2025-03-04 07:15:05,048 INFO L226 Difference]: Without dead ends: 1246 [2025-03-04 07:15:05,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:15:05,049 INFO L435 NwaCegarLoop]: 2237 mSDtfsCounter, 0 mSDsluCounter, 4470 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:05,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6707 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:15:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2025-03-04 07:15:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1246. [2025-03-04 07:15:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 736 states have (on average 1.7418478260869565) internal successors, (1282), 1239 states have internal predecessors, (1282), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2025-03-04 07:15:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2291 transitions. [2025-03-04 07:15:05,137 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2291 transitions. Word has length 90 [2025-03-04 07:15:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:05,137 INFO L471 AbstractCegarLoop]: Abstraction has 1246 states and 2291 transitions. [2025-03-04 07:15:05,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2291 transitions. [2025-03-04 07:15:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 07:15:05,138 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:05,138 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:15:05,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 07:15:05,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:05,339 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:05,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash -831495459, now seen corresponding path program 1 times [2025-03-04 07:15:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:05,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559593669] [2025-03-04 07:15:05,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:15:05,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:05,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:05,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:05,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 07:15:05,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 07:15:05,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 07:15:05,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:15:05,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:05,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:15:05,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 07:15:05,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:15:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 07:15:05,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559593669] [2025-03-04 07:15:05,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559593669] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:15:05,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:15:05,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:15:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43014580] [2025-03-04 07:15:05,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:15:05,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:15:05,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:05,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:15:05,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:15:05,815 INFO L87 Difference]: Start difference. First operand 1246 states and 2291 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:15:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:06,010 INFO L93 Difference]: Finished difference Result 1257 states and 2308 transitions. [2025-03-04 07:15:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:15:06,011 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 92 [2025-03-04 07:15:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:06,017 INFO L225 Difference]: With dead ends: 1257 [2025-03-04 07:15:06,017 INFO L226 Difference]: Without dead ends: 1257 [2025-03-04 07:15:06,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-04 07:15:06,019 INFO L435 NwaCegarLoop]: 2236 mSDtfsCounter, 5 mSDsluCounter, 8935 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11171 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:06,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11171 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:15:06,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2025-03-04 07:15:06,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1255. [2025-03-04 07:15:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 744 states have (on average 1.7419354838709677) internal successors, (1296), 1247 states have internal predecessors, (1296), 505 states have call successors, (505), 4 states have call predecessors, (505), 4 states have return successors, (505), 4 states have call predecessors, (505), 503 states have call successors, (505) [2025-03-04 07:15:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2306 transitions. [2025-03-04 07:15:06,108 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2306 transitions. Word has length 92 [2025-03-04 07:15:06,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:06,108 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 2306 transitions. [2025-03-04 07:15:06,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:15:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2306 transitions. [2025-03-04 07:15:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 07:15:06,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:06,109 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-03-04 07:15:06,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 07:15:06,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:06,310 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:06,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:06,310 INFO L85 PathProgramCache]: Analyzing trace with hash 141918489, now seen corresponding path program 2 times [2025-03-04 07:15:06,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:06,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868238559] [2025-03-04 07:15:06,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:15:06,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:06,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:06,313 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:06,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 07:15:06,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-04 07:15:06,530 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 96 statements. [2025-03-04 07:15:06,530 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 07:15:06,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:06,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:15:06,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:06,543 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:15:06,543 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:15:06,545 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 33 treesize of output 31 [2025-03-04 07:15:06,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:15:06,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22 [2025-03-04 07:15:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-04 07:15:06,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:15:06,636 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:06,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868238559] [2025-03-04 07:15:06,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868238559] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:15:06,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:15:06,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:15:06,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304731799] [2025-03-04 07:15:06,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:15:06,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:15:06,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:06,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:15:06,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:15:06,637 INFO L87 Difference]: Start difference. First operand 1255 states and 2306 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:08,841 INFO L93 Difference]: Finished difference Result 2354 states and 4437 transitions. [2025-03-04 07:15:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:15:08,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2025-03-04 07:15:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:08,857 INFO L225 Difference]: With dead ends: 2354 [2025-03-04 07:15:08,857 INFO L226 Difference]: Without dead ends: 2354 [2025-03-04 07:15:08,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:15:08,858 INFO L435 NwaCegarLoop]: 2299 mSDtfsCounter, 1171 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:08,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 6301 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 07:15:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2025-03-04 07:15:09,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1257. [2025-03-04 07:15:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 746 states have (on average 1.739946380697051) internal successors, (1298), 1249 states have internal predecessors, (1298), 505 states have call successors, (505), 4 states have call predecessors, (505), 4 states have return successors, (505), 4 states have call predecessors, (505), 503 states have call successors, (505) [2025-03-04 07:15:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2308 transitions. [2025-03-04 07:15:09,014 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2308 transitions. Word has length 96 [2025-03-04 07:15:09,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:09,014 INFO L471 AbstractCegarLoop]: Abstraction has 1257 states and 2308 transitions. [2025-03-04 07:15:09,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2308 transitions. [2025-03-04 07:15:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 07:15:09,015 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:09,016 INFO L218 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:15:09,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 07:15:09,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:09,216 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:09,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:09,217 INFO L85 PathProgramCache]: Analyzing trace with hash -199019534, now seen corresponding path program 1 times [2025-03-04 07:15:09,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:09,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018553453] [2025-03-04 07:15:09,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:15:09,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:09,219 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:09,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 07:15:09,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-04 07:15:09,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 07:15:09,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:15:09,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:09,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:15:09,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-04 07:15:09,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:15:09,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:09,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018553453] [2025-03-04 07:15:09,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018553453] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:15:09,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:15:09,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:15:09,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463653556] [2025-03-04 07:15:09,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:15:09,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:15:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:09,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:15:09,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:15:09,593 INFO L87 Difference]: Start difference. First operand 1257 states and 2308 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:09,680 INFO L93 Difference]: Finished difference Result 1260 states and 2303 transitions. [2025-03-04 07:15:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:15:09,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 129 [2025-03-04 07:15:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:09,684 INFO L225 Difference]: With dead ends: 1260 [2025-03-04 07:15:09,684 INFO L226 Difference]: Without dead ends: 1260 [2025-03-04 07:15:09,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:15:09,685 INFO L435 NwaCegarLoop]: 2211 mSDtfsCounter, 30 mSDsluCounter, 4403 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:09,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 6614 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:15:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2025-03-04 07:15:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1260. [2025-03-04 07:15:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 749 states have (on average 1.72630173564753) internal successors, (1293), 1252 states have internal predecessors, (1293), 505 states have call successors, (505), 4 states have call predecessors, (505), 4 states have return successors, (505), 4 states have call predecessors, (505), 503 states have call successors, (505) [2025-03-04 07:15:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 2303 transitions. [2025-03-04 07:15:09,761 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 2303 transitions. Word has length 129 [2025-03-04 07:15:09,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:09,761 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 2303 transitions. [2025-03-04 07:15:09,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:15:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 2303 transitions. [2025-03-04 07:15:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 07:15:09,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:09,762 INFO L218 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:15:09,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 07:15:09,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:09,963 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:09,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:09,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1334535093, now seen corresponding path program 1 times [2025-03-04 07:15:09,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:09,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774655011] [2025-03-04 07:15:09,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:15:09,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:09,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:09,966 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:09,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 07:15:10,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-04 07:15:10,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 07:15:10,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:15:10,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:10,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:15:10,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-04 07:15:10,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:15:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 07:15:10,564 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:10,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774655011] [2025-03-04 07:15:10,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774655011] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:15:10,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:15:10,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 07:15:10,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946129167] [2025-03-04 07:15:10,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:15:10,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 07:15:10,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:10,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 07:15:10,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 07:15:10,565 INFO L87 Difference]: Start difference. First operand 1260 states and 2303 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:15:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:15:10,870 INFO L93 Difference]: Finished difference Result 1268 states and 2313 transitions. [2025-03-04 07:15:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 07:15:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 129 [2025-03-04 07:15:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:15:10,875 INFO L225 Difference]: With dead ends: 1268 [2025-03-04 07:15:10,875 INFO L226 Difference]: Without dead ends: 1266 [2025-03-04 07:15:10,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-03-04 07:15:10,876 INFO L435 NwaCegarLoop]: 2227 mSDtfsCounter, 6 mSDsluCounter, 8897 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 11124 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:15:10,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 11124 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:15:10,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2025-03-04 07:15:10,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1264. [2025-03-04 07:15:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 753 states have (on average 1.7250996015936255) internal successors, (1299), 1256 states have internal predecessors, (1299), 505 states have call successors, (505), 4 states have call predecessors, (505), 4 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2025-03-04 07:15:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2308 transitions. [2025-03-04 07:15:10,958 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2308 transitions. Word has length 129 [2025-03-04 07:15:10,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:15:10,958 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2308 transitions. [2025-03-04 07:15:10,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:15:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2308 transitions. [2025-03-04 07:15:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 07:15:10,959 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:15:10,959 INFO L218 NwaCegarLoop]: trace histogram [10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:15:10,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 07:15:11,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:11,159 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:15:11,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:15:11,160 INFO L85 PathProgramCache]: Analyzing trace with hash -635897845, now seen corresponding path program 2 times [2025-03-04 07:15:11,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:15:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137220017] [2025-03-04 07:15:11,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:15:11,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:15:11,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:15:11,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:15:11,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 07:15:11,420 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-03-04 07:15:11,601 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 07:15:11,601 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 07:15:11,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:11,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 07:15:11,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:11,629 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:15:11,629 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:15:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:15:11,631 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 30 treesize of output 39 [2025-03-04 07:15:13,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:15:13,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 71 [2025-03-04 07:15:13,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:15:13,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 58 [2025-03-04 07:15:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-04 07:15:13,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:15:13,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:15:13,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137220017] [2025-03-04 07:15:13,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137220017] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 07:15:13,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [543484503] [2025-03-04 07:15:13,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:15:13,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-04 07:15:13,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-04 07:15:13,587 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-04 07:15:13,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2025-03-04 07:15:13,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-03-04 07:15:14,378 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 07:15:14,378 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 07:15:14,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:15:14,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 07:15:14,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:15:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-04 07:15:14,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:15:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 07:15:15,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [543484503] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:15:15,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 07:15:15,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2025-03-04 07:15:15,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103827066] [2025-03-04 07:15:15,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 07:15:15,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 07:15:15,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:15:15,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 07:15:15,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2025-03-04 07:15:15,119 INFO L87 Difference]: Start difference. First operand 1264 states and 2308 transitions. Second operand has 23 states, 23 states have (on average 8.869565217391305) internal successors, (204), 23 states have internal predecessors, (204), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 07:15:21,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:30,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:34,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:38,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:42,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:46,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 07:15:50,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]