./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.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_SFH_test8-1.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 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:23:55,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:23:55,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:23:55,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:23:55,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:23:55,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:23:55,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:23:55,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:23:55,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:23:55,946 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:23:55,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:23:55,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:23:55,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:23:55,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:23:55,947 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:23:55,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:23:55,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:23:55,949 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:23:55,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:23:55,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:23:55,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:23:55,950 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 -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2025-03-04 07:23:56,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:23:56,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:23:56,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:23:56,182 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:23:56,183 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:23:56,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2025-03-04 07:23:57,339 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde7b51be/002d53a7f8904c9cbbe98ec570ba3678/FLAGeb1b4dc02 [2025-03-04 07:23:57,654 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:23:57,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2025-03-04 07:23:57,673 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde7b51be/002d53a7f8904c9cbbe98ec570ba3678/FLAGeb1b4dc02 [2025-03-04 07:23:57,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde7b51be/002d53a7f8904c9cbbe98ec570ba3678 [2025-03-04 07:23:57,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:23:57,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:23:57,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:57,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:23:57,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:23:57,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:57" (1/1) ... [2025-03-04 07:23:57,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb3d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:57, skipping insertion in model container [2025-03-04 07:23:57,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:57" (1/1) ... [2025-03-04 07:23:57,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:23:58,233 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 07:23:58,264 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 07:23:58,271 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 07:23:58,277 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 07:23:58,282 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 07:23:58,301 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 07:23:58,304 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 07:23:58,306 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 07:23:58,307 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 07:23:58,309 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 07:23:58,312 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 07:23:58,314 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 07:23:58,315 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 07:23:58,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:23:58,340 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 07:23:58,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29cf00e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:58, skipping insertion in model container [2025-03-04 07:23:58,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:58,342 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:23:58,343 INFO L158 Benchmark]: Toolchain (without parser) took 431.67ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 136.9MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 07:23:58,345 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 209.7MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:23:58,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.15ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 136.9MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 07:23:58,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 209.7MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.15ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 136.9MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: 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_SFH_test8-1.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 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:24:00,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:24:00,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:24:00,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:24:00,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:24:00,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:24:00,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:24:00,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:24:00,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:24:00,116 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:24:00,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:24:00,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:24:00,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:24:00,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:24:00,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:24:00,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:24:00,119 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:24:00,119 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:24:00,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:24:00,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:24:00,120 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 -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2025-03-04 07:24:00,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:24:00,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:24:00,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:24:00,364 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:24:00,364 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:24:00,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2025-03-04 07:24:01,532 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a661000c/433cf17b1b4e42a7900b5c1101d742ed/FLAGd1f95c07a [2025-03-04 07:24:01,785 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:24:01,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2025-03-04 07:24:01,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a661000c/433cf17b1b4e42a7900b5c1101d742ed/FLAGd1f95c07a [2025-03-04 07:24:01,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a661000c/433cf17b1b4e42a7900b5c1101d742ed [2025-03-04 07:24:01,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:24:01,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:24:01,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:24:01,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:24:01,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:24:01,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:24:01" (1/1) ... [2025-03-04 07:24:01,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2395d649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:01, skipping insertion in model container [2025-03-04 07:24:01,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:24:01" (1/1) ... [2025-03-04 07:24:01,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:24:02,163 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 07:24:02,193 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 07:24:02,196 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 07:24:02,200 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 07:24:02,206 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 07:24:02,238 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 07:24:02,239 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 07:24:02,240 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 07:24:02,240 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 07:24:02,242 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 07:24:02,243 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 07:24:02,244 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 07:24:02,244 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 07:24:02,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:24:02,262 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:24:02,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:24:02,298 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 07:24:02,308 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 07:24:02,310 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 07:24:02,311 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 07:24:02,315 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 07:24:02,342 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 07:24:02,347 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 07:24:02,348 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 07:24:02,348 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 07:24:02,350 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 07:24:02,350 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 07:24:02,350 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 07:24:02,351 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 07:24:02,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:24:02,357 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:24:02,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:24:02,449 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:24:02,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02 WrapperNode [2025-03-04 07:24:02,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:24:02,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:24:02,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:24:02,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:24:02,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,519 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 976 [2025-03-04 07:24:02,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:24:02,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:24:02,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:24:02,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:24:02,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,605 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 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, 50, 4]. [2025-03-04 07:24:02,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,642 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:24:02,664 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:24:02,664 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:24:02,664 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:24:02,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (1/1) ... [2025-03-04 07:24:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:24:02,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:02,687 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 07:24:02,688 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 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:24:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:24:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:24:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:24:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:24:02,852 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:24:02,853 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:24:08,908 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: 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 07:24:08,968 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-03-04 07:24:08,969 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:24:08,979 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:24:08,979 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:24:08,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:24:08 BoogieIcfgContainer [2025-03-04 07:24:08,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:24:08,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:24:08,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:24:08,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:24:08,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:24:01" (1/3) ... [2025-03-04 07:24:08,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75436a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:24:08, skipping insertion in model container [2025-03-04 07:24:08,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:24:02" (2/3) ... [2025-03-04 07:24:08,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75436a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:24:08, skipping insertion in model container [2025-03-04 07:24:08,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:24:08" (3/3) ... [2025-03-04 07:24:08,990 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2025-03-04 07:24:08,999 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:24:09,000 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test8-1.i that has 7 procedures, 239 locations, 1 initial locations, 35 loop locations, and 2 error locations. [2025-03-04 07:24:09,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:24:09,035 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;@53efa608, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:24:09,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:24:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 202 states have (on average 1.6683168316831682) internal successors, (337), 221 states have internal predecessors, (337), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-04 07:24:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 07:24:09,042 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:09,043 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:24:09,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:09,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1160802893, now seen corresponding path program 1 times [2025-03-04 07:24:09,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:09,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713598184] [2025-03-04 07:24:09,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:09,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:09,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:09,056 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 07:24:09,058 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 07:24:09,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 07:24:09,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 07:24:09,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:09,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:09,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:24:09,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:09,225 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 07:24:09,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:09,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:09,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713598184] [2025-03-04 07:24:09,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713598184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:09,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:09,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:24:09,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108121240] [2025-03-04 07:24:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:09,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:24:09,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:09,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:24:09,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:24:09,249 INFO L87 Difference]: Start difference. First operand has 231 states, 202 states have (on average 1.6683168316831682) internal successors, (337), 221 states have internal predecessors, (337), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:09,276 INFO L93 Difference]: Finished difference Result 229 states and 314 transitions. [2025-03-04 07:24:09,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:24:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-04 07:24:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:09,285 INFO L225 Difference]: With dead ends: 229 [2025-03-04 07:24:09,286 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 07:24:09,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:24:09,290 INFO L435 NwaCegarLoop]: 314 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, 314 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 07:24:09,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:24:09,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 07:24:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2025-03-04 07:24:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 200 states have (on average 1.35) internal successors, (270), 217 states have internal predecessors, (270), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 07:24:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 312 transitions. [2025-03-04 07:24:09,336 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 312 transitions. Word has length 7 [2025-03-04 07:24:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:09,337 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 312 transitions. [2025-03-04 07:24:09,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 312 transitions. [2025-03-04 07:24:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 07:24:09,338 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:09,338 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:24:09,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:24:09,538 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 07:24:09,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:09,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash 162659168, now seen corresponding path program 1 times [2025-03-04 07:24:09,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:09,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659362174] [2025-03-04 07:24:09,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:09,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:09,542 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 07:24:09,542 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 07:24:09,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 07:24:09,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 07:24:09,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:09,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:09,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:24:09,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:09,674 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:24:09,674 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:24:09,675 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:24:09,682 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 07:24:09,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:24:09,746 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 07:24:09,769 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 07:24:09,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:09,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:09,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659362174] [2025-03-04 07:24:09,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659362174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:09,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:09,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:24:09,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176125343] [2025-03-04 07:24:09,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:09,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:24:09,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:09,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:24:09,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:24:09,772 INFO L87 Difference]: Start difference. First operand 227 states and 312 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:10,190 INFO L93 Difference]: Finished difference Result 403 states and 545 transitions. [2025-03-04 07:24:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:24:10,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-04 07:24:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:10,196 INFO L225 Difference]: With dead ends: 403 [2025-03-04 07:24:10,196 INFO L226 Difference]: Without dead ends: 403 [2025-03-04 07:24:10,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:24:10,196 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 219 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:24:10,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 867 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 07:24:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-04 07:24:10,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 229. [2025-03-04 07:24:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 202 states have (on average 1.3465346534653466) internal successors, (272), 219 states have internal predecessors, (272), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 07:24:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2025-03-04 07:24:10,218 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 9 [2025-03-04 07:24:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:10,218 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2025-03-04 07:24:10,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2025-03-04 07:24:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 07:24:10,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:10,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:24:10,226 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 07:24:10,419 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 07:24:10,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:10,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1759075843, now seen corresponding path program 1 times [2025-03-04 07:24:10,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:10,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553104082] [2025-03-04 07:24:10,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:10,423 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 07:24:10,424 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 07:24:10,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 07:24:10,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 07:24:10,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:10,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:10,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:24:10,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:10,897 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 07:24:10,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:10,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553104082] [2025-03-04 07:24:10,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553104082] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:10,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:10,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:24:10,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64065880] [2025-03-04 07:24:10,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:10,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:24:10,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:10,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:24:10,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:24:10,899 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:11,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:11,394 INFO L93 Difference]: Finished difference Result 337 states and 456 transitions. [2025-03-04 07:24:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:24:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2025-03-04 07:24:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:11,396 INFO L225 Difference]: With dead ends: 337 [2025-03-04 07:24:11,396 INFO L226 Difference]: Without dead ends: 337 [2025-03-04 07:24:11,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 07:24:11,397 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 102 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 07:24:11,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 646 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 07:24:11,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-04 07:24:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 332. [2025-03-04 07:24:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.3421052631578947) internal successors, (408), 321 states have internal predecessors, (408), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 07:24:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 452 transitions. [2025-03-04 07:24:11,408 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 452 transitions. Word has length 65 [2025-03-04 07:24:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:11,408 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 452 transitions. [2025-03-04 07:24:11,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:24:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 452 transitions. [2025-03-04 07:24:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 07:24:11,409 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:11,409 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:24:11,421 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 07:24:11,610 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 07:24:11,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:11,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2000805608, now seen corresponding path program 1 times [2025-03-04 07:24:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029582362] [2025-03-04 07:24:11,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:11,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:11,613 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 07:24:11,614 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 07:24:11,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 07:24:11,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 07:24:11,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:11,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:11,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:24:11,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:24:11,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:11,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:11,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029582362] [2025-03-04 07:24:11,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029582362] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:11,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:11,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:24:11,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166219435] [2025-03-04 07:24:11,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:11,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:24:11,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:11,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:24:11,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:24:11,920 INFO L87 Difference]: Start difference. First operand 332 states and 452 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:12,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:12,005 INFO L93 Difference]: Finished difference Result 372 states and 492 transitions. [2025-03-04 07:24:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:24:12,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2025-03-04 07:24:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:12,009 INFO L225 Difference]: With dead ends: 372 [2025-03-04 07:24:12,009 INFO L226 Difference]: Without dead ends: 372 [2025-03-04 07:24:12,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 07:24:12,010 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 8 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 569 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 07:24:12,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 569 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:24:12,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-04 07:24:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2025-03-04 07:24:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.302325581395349) internal successors, (448), 361 states have internal predecessors, (448), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 07:24:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 492 transitions. [2025-03-04 07:24:12,024 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 492 transitions. Word has length 80 [2025-03-04 07:24:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:12,024 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 492 transitions. [2025-03-04 07:24:12,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2025-03-04 07:24:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 07:24:12,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:12,026 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:24:12,036 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 07:24:12,230 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 07:24:12,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:12,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:12,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1720455719, now seen corresponding path program 1 times [2025-03-04 07:24:12,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:12,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [409918488] [2025-03-04 07:24:12,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:12,233 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 07:24:12,235 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 07:24:12,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 07:24:12,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 07:24:12,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:12,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:12,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:24:12,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:24:12,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:12,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:12,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409918488] [2025-03-04 07:24:12,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409918488] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:12,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:12,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:24:12,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699856266] [2025-03-04 07:24:12,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:12,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:24:12,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:12,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:24:12,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:24:12,544 INFO L87 Difference]: Start difference. First operand 372 states and 492 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:12,642 INFO L93 Difference]: Finished difference Result 338 states and 436 transitions. [2025-03-04 07:24:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:24:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2025-03-04 07:24:12,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:12,643 INFO L225 Difference]: With dead ends: 338 [2025-03-04 07:24:12,643 INFO L226 Difference]: Without dead ends: 338 [2025-03-04 07:24:12,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 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 07:24:12,644 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 32 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 826 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 07:24:12,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 826 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:24:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-04 07:24:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2025-03-04 07:24:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.264516129032258) internal successors, (392), 327 states have internal predecessors, (392), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 07:24:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 436 transitions. [2025-03-04 07:24:12,662 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 436 transitions. Word has length 80 [2025-03-04 07:24:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:12,663 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 436 transitions. [2025-03-04 07:24:12,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 436 transitions. [2025-03-04 07:24:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-04 07:24:12,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:12,667 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 07:24:12,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 07:24:12,867 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 07:24:12,867 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:12,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash 591739438, now seen corresponding path program 1 times [2025-03-04 07:24:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:12,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289041677] [2025-03-04 07:24:12,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:12,870 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 07:24:12,871 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 07:24:13,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 07:24:13,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 07:24:13,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:13,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:13,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:24:13,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 07:24:13,187 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:24:13,188 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:13,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289041677] [2025-03-04 07:24:13,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289041677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:24:13,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:24:13,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:24:13,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681678363] [2025-03-04 07:24:13,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:24:13,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:24:13,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:13,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:24:13,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:24:13,189 INFO L87 Difference]: Start difference. First operand 338 states and 436 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:13,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:13,225 INFO L93 Difference]: Finished difference Result 341 states and 440 transitions. [2025-03-04 07:24:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:24:13,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2025-03-04 07:24:13,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:13,228 INFO L225 Difference]: With dead ends: 341 [2025-03-04 07:24:13,228 INFO L226 Difference]: Without dead ends: 341 [2025-03-04 07:24:13,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 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 07:24:13,228 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:24:13,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 890 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:24:13,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-03-04 07:24:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2025-03-04 07:24:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 312 states have (on average 1.266025641025641) internal successors, (395), 330 states have internal predecessors, (395), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2025-03-04 07:24:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 440 transitions. [2025-03-04 07:24:13,235 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 440 transitions. Word has length 80 [2025-03-04 07:24:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:13,235 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 440 transitions. [2025-03-04 07:24:13,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:24:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 440 transitions. [2025-03-04 07:24:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-04 07:24:13,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:13,236 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] [2025-03-04 07:24:13,249 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 07:24:13,437 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 07:24:13,437 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:13,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1722645358, now seen corresponding path program 1 times [2025-03-04 07:24:13,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:13,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642319082] [2025-03-04 07:24:13,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:24:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:13,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:13,440 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 07:24:13,440 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 07:24:13,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 07:24:13,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 07:24:13,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:24:13,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:24:13,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:24:13,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:24:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 07:24:13,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:24:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 07:24:13,870 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:24:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642319082] [2025-03-04 07:24:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642319082] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:24:13,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:24:13,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:24:13,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064907696] [2025-03-04 07:24:13,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:24:13,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:24:13,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:24:13,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:24:13,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:24:13,871 INFO L87 Difference]: Start difference. First operand 341 states and 440 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:24:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:24:13,987 INFO L93 Difference]: Finished difference Result 352 states and 457 transitions. [2025-03-04 07:24:13,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:24:13,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 82 [2025-03-04 07:24:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:24:13,995 INFO L225 Difference]: With dead ends: 352 [2025-03-04 07:24:13,996 INFO L226 Difference]: Without dead ends: 352 [2025-03-04 07:24:13,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 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 07:24:13,997 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:24:13,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 890 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:24:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-04 07:24:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 350. [2025-03-04 07:24:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 320 states have (on average 1.278125) internal successors, (409), 338 states have internal predecessors, (409), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2025-03-04 07:24:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 455 transitions. [2025-03-04 07:24:14,008 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 455 transitions. Word has length 82 [2025-03-04 07:24:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:24:14,009 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 455 transitions. [2025-03-04 07:24:14,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 07:24:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 455 transitions. [2025-03-04 07:24:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 07:24:14,010 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:24:14,010 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-03-04 07:24:14,021 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 07:24:14,214 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 07:24:14,214 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:14,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:14,215 INFO L85 PathProgramCache]: Analyzing trace with hash 55292750, now seen corresponding path program 2 times [2025-03-04 07:24:14,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:14,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2086575940] [2025-03-04 07:24:14,215 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:24:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:14,217 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 07:24:14,217 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 07:24:14,404 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes.