./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 10:24:42,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 10:24:42,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-13 10:24:42,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 10:24:42,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 10:24:42,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 10:24:42,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 10:24:42,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 10:24:42,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 10:24:42,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 10:24:42,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 10:24:42,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 10:24:42,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 10:24:42,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 10:24:42,211 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 10:24:42,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 10:24:42,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 10:24:42,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 10:24:42,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 10:24:42,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 10:24:42,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 10:24:42,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 10:24:42,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 10:24:42,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 10:24:42,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 10:24:42,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 10:24:42,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 10:24:42,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:24:42,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 10:24:42,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 10:24:42,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 10:24:42,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 10:24:42,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 10:24:42,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 10:24:42,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 10:24:42,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-10-13 10:24:42,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 10:24:42,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 10:24:42,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 10:24:42,563 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 10:24:42,563 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 10:24:42,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-10-13 10:24:44,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 10:24:44,293 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 10:24:44,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-10-13 10:24:44,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/832d4f82c/221a4fea72e74ce1b0c5ed01972fcd31/FLAG339bdb242 [2024-10-13 10:24:44,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/832d4f82c/221a4fea72e74ce1b0c5ed01972fcd31 [2024-10-13 10:24:44,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 10:24:44,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 10:24:44,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 10:24:44,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 10:24:44,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 10:24:44,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:24:44" (1/1) ... [2024-10-13 10:24:44,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599337c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:44, skipping insertion in model container [2024-10-13 10:24:44,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:24:44" (1/1) ... [2024-10-13 10:24:44,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:24:44,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:24:44,887 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) [2024-10-13 10:24:44,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47bbd383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:44, skipping insertion in model container [2024-10-13 10:24:44,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 10:24:44,888 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-13 10:24:44,890 INFO L158 Benchmark]: Toolchain (without parser) took 550.97ms. Allocated memory is still 151.0MB. Free memory was 78.3MB in the beginning and 104.3MB in the end (delta: -26.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-13 10:24:44,890 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 10:24:44,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.04ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 104.3MB in the end (delta: -26.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-13 10:24:44,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.04ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 104.3MB in the end (delta: -26.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 740]: 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 10:24:46,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 10:24:46,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-13 10:24:46,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 10:24:46,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 10:24:46,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 10:24:46,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 10:24:46,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 10:24:46,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 10:24:46,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 10:24:46,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 10:24:46,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 10:24:46,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 10:24:46,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 10:24:46,948 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 10:24:46,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 10:24:46,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 10:24:46,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 10:24:46,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 10:24:46,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 10:24:46,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 10:24:46,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 10:24:46,954 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 10:24:46,954 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 10:24:46,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 10:24:46,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 10:24:46,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 10:24:46,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 10:24:46,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 10:24:46,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 10:24:46,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 10:24:46,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 10:24:46,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 10:24:46,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:24:46,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 10:24:46,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 10:24:46,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 10:24:46,963 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 10:24:46,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-10-13 10:24:47,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 10:24:47,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 10:24:47,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 10:24:47,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 10:24:47,266 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 10:24:47,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-10-13 10:24:48,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 10:24:48,837 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 10:24:48,840 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-10-13 10:24:48,856 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb82716e/fbc71162a15241179a7f7a7bcaf47db2/FLAGf29f5b2f2 [2024-10-13 10:24:49,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb82716e/fbc71162a15241179a7f7a7bcaf47db2 [2024-10-13 10:24:49,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 10:24:49,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 10:24:49,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 10:24:49,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 10:24:49,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 10:24:49,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:24:49" (1/1) ... [2024-10-13 10:24:49,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2139b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:49, skipping insertion in model container [2024-10-13 10:24:49,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:24:49" (1/1) ... [2024-10-13 10:24:49,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:24:49,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:24:49,870 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-13 10:24:49,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:24:49,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:24:50,002 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 10:24:50,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:24:50,201 INFO L204 MainTranslator]: Completed translation [2024-10-13 10:24:50,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50 WrapperNode [2024-10-13 10:24:50,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 10:24:50,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 10:24:50,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 10:24:50,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 10:24:50,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,322 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1431 [2024-10-13 10:24:50,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 10:24:50,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 10:24:50,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 10:24:50,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 10:24:50,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,465 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-10-13 10:24:50,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 10:24:50,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 10:24:50,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 10:24:50,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 10:24:50,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (1/1) ... [2024-10-13 10:24:50,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:24:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 10:24:50,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 10:24:50,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 10:24:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 10:24:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 10:24:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 10:24:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-13 10:24:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 10:24:50,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 10:24:50,824 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 10:24:50,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 10:25:05,593 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-10-13 10:25:05,594 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 10:25:05,640 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 10:25:05,640 INFO L314 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-13 10:25:05,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:25:05 BoogieIcfgContainer [2024-10-13 10:25:05,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 10:25:05,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 10:25:05,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 10:25:05,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 10:25:05,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:24:49" (1/3) ... [2024-10-13 10:25:05,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ac007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:25:05, skipping insertion in model container [2024-10-13 10:25:05,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:24:50" (2/3) ... [2024-10-13 10:25:05,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ac007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:25:05, skipping insertion in model container [2024-10-13 10:25:05,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:25:05" (3/3) ... [2024-10-13 10:25:05,649 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-3.i [2024-10-13 10:25:05,666 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 10:25:05,666 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 10:25:05,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 10:25:05,719 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;@1f907c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 10:25:05,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 10:25:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 236 states have (on average 1.6694915254237288) internal successors, (394), 238 states have internal predecessors, (394), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 10:25:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 10:25:05,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:25:05,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 10:25:05,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:25:05,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:25:05,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1021285, now seen corresponding path program 1 times [2024-10-13 10:25:05,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:25:05,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667974546] [2024-10-13 10:25:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:25:05,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:25:05,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:25:05,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-13 10:25:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:25:05,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 10:25:05,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:25:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:25:05,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:25:05,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:25:05,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667974546] [2024-10-13 10:25:05,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667974546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:25:05,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:25:05,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 10:25:05,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021160607] [2024-10-13 10:25:05,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:25:05,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:25:05,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:25:06,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:25:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:25:06,012 INFO L87 Difference]: Start difference. First operand has 246 states, 236 states have (on average 1.6694915254237288) internal successors, (394), 238 states have internal predecessors, (394), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:10,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:14,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:25:15,180 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2024-10-13 10:25:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:25:15,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-13 10:25:15,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:25:15,217 INFO L225 Difference]: With dead ends: 308 [2024-10-13 10:25:15,218 INFO L226 Difference]: Without dead ends: 305 [2024-10-13 10:25:15,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:25:15,221 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 80 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:25:15,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 644 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-10-13 10:25:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-13 10:25:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2024-10-13 10:25:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 246 states have (on average 1.3048780487804879) internal successors, (321), 247 states have internal predecessors, (321), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 10:25:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 333 transitions. [2024-10-13 10:25:15,286 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 333 transitions. Word has length 3 [2024-10-13 10:25:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:25:15,287 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 333 transitions. [2024-10-13 10:25:15,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 333 transitions. [2024-10-13 10:25:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 10:25:15,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:25:15,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:25:15,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-13 10:25:15,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:15,493 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:25:15,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:25:15,494 INFO L85 PathProgramCache]: Analyzing trace with hash -475425146, now seen corresponding path program 1 times [2024-10-13 10:25:15,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:25:15,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506986039] [2024-10-13 10:25:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:25:15,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:15,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:25:15,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:25:15,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-13 10:25:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:25:15,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 10:25:15,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:25:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:25:15,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:25:15,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:25:15,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506986039] [2024-10-13 10:25:15,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506986039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:25:15,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:25:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 10:25:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619047807] [2024-10-13 10:25:15,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:25:15,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 10:25:15,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:25:15,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 10:25:15,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:25:15,710 INFO L87 Difference]: Start difference. First operand 255 states and 333 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:20,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:24,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:30,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:25:31,818 INFO L93 Difference]: Finished difference Result 375 states and 488 transitions. [2024-10-13 10:25:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 10:25:31,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-10-13 10:25:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:25:31,823 INFO L225 Difference]: With dead ends: 375 [2024-10-13 10:25:31,823 INFO L226 Difference]: Without dead ends: 375 [2024-10-13 10:25:31,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:25:31,825 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 156 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:25:31,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 863 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2024-10-13 10:25:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-13 10:25:31,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-10-13 10:25:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 363 states have (on average 1.2947658402203857) internal successors, (470), 364 states have internal predecessors, (470), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 10:25:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 488 transitions. [2024-10-13 10:25:31,844 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 488 transitions. Word has length 10 [2024-10-13 10:25:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:25:31,845 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 488 transitions. [2024-10-13 10:25:31,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 488 transitions. [2024-10-13 10:25:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 10:25:31,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:25:31,846 INFO L215 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] [2024-10-13 10:25:31,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-13 10:25:32,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:32,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:25:32,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:25:32,048 INFO L85 PathProgramCache]: Analyzing trace with hash 214148145, now seen corresponding path program 1 times [2024-10-13 10:25:32,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:25:32,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757204993] [2024-10-13 10:25:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:25:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:25:32,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:25:32,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-13 10:25:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:25:32,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 10:25:32,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:25:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 10:25:32,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:25:32,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:25:32,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757204993] [2024-10-13 10:25:32,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757204993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:25:32,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:25:32,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:25:32,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348008319] [2024-10-13 10:25:32,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:25:32,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:25:32,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:25:32,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:25:32,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:25:32,300 INFO L87 Difference]: Start difference. First operand 375 states and 488 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:25:32,997 INFO L93 Difference]: Finished difference Result 426 states and 554 transitions. [2024-10-13 10:25:33,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:25:33,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2024-10-13 10:25:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:25:33,003 INFO L225 Difference]: With dead ends: 426 [2024-10-13 10:25:33,006 INFO L226 Difference]: Without dead ends: 426 [2024-10-13 10:25:33,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:25:33,008 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 120 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 10:25:33,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 593 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 10:25:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-13 10:25:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 373. [2024-10-13 10:25:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 361 states have (on average 1.290858725761773) internal successors, (466), 362 states have internal predecessors, (466), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 10:25:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 484 transitions. [2024-10-13 10:25:33,033 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 484 transitions. Word has length 25 [2024-10-13 10:25:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:25:33,033 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 484 transitions. [2024-10-13 10:25:33,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 484 transitions. [2024-10-13 10:25:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 10:25:33,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:25:33,034 INFO L215 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] [2024-10-13 10:25:33,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-13 10:25:33,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:33,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:25:33,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:25:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1474795597, now seen corresponding path program 1 times [2024-10-13 10:25:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:25:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581758450] [2024-10-13 10:25:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:25:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:25:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:25:33,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:25:33,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-13 10:25:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:25:33,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 10:25:33,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:25:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:25:33,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:25:33,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:25:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581758450] [2024-10-13 10:25:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581758450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:25:33,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:25:33,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 10:25:33,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846332607] [2024-10-13 10:25:33,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:25:33,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 10:25:33,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:25:33,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 10:25:33,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:25:33,408 INFO L87 Difference]: Start difference. First operand 373 states and 484 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:25:37,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:41,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:46,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:50,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:25:58,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:26:02,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:26:05,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:26:07,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 10:26:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:09,542 INFO L93 Difference]: Finished difference Result 547 states and 712 transitions. [2024-10-13 10:26:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 10:26:09,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2024-10-13 10:26:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:09,551 INFO L225 Difference]: With dead ends: 547 [2024-10-13 10:26:09,551 INFO L226 Difference]: Without dead ends: 541 [2024-10-13 10:26:09,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 10:26:09,554 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 217 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:09,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 845 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 6 Unknown, 0 Unchecked, 36.1s Time] [2024-10-13 10:26:09,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-10-13 10:26:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 369. [2024-10-13 10:26:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 357 states have (on average 1.2913165266106443) internal successors, (461), 358 states have internal predecessors, (461), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 10:26:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 479 transitions. [2024-10-13 10:26:09,579 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 479 transitions. Word has length 25 [2024-10-13 10:26:09,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:09,580 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 479 transitions. [2024-10-13 10:26:09,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:26:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 479 transitions. [2024-10-13 10:26:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-13 10:26:09,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:09,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:09,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-13 10:26:09,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:09,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:09,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash 884065145, now seen corresponding path program 1 times [2024-10-13 10:26:09,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:09,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366107954] [2024-10-13 10:26:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:26:09,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:09,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:09,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:09,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-13 10:26:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:26:10,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 10:26:10,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 10:26:10,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:26:10,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:10,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366107954] [2024-10-13 10:26:10,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366107954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:26:10,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:26:10,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:26:10,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234972161] [2024-10-13 10:26:10,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:26:10,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 10:26:10,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 10:26:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 10:26:10,510 INFO L87 Difference]: Start difference. First operand 369 states and 479 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 10:26:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:10,639 INFO L93 Difference]: Finished difference Result 375 states and 469 transitions. [2024-10-13 10:26:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 10:26:10,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2024-10-13 10:26:10,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:10,642 INFO L225 Difference]: With dead ends: 375 [2024-10-13 10:26:10,642 INFO L226 Difference]: Without dead ends: 375 [2024-10-13 10:26:10,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 10:26:10,643 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 41 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:10,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 828 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 10:26:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-13 10:26:10,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-10-13 10:26:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 363 states have (on average 1.2424242424242424) internal successors, (451), 364 states have internal predecessors, (451), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 10:26:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 469 transitions. [2024-10-13 10:26:10,654 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 469 transitions. Word has length 142 [2024-10-13 10:26:10,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:10,655 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 469 transitions. [2024-10-13 10:26:10,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 10:26:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 469 transitions. [2024-10-13 10:26:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-13 10:26:10,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:10,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:10,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-13 10:26:10,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:10,862 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:10,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:10,862 INFO L85 PathProgramCache]: Analyzing trace with hash 489388583, now seen corresponding path program 1 times [2024-10-13 10:26:10,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:10,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344838229] [2024-10-13 10:26:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:26:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:10,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:10,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-13 10:26:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:26:11,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 10:26:11,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 10:26:11,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:26:11,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344838229] [2024-10-13 10:26:11,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344838229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:26:11,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:26:11,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 10:26:11,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554645401] [2024-10-13 10:26:11,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:26:11,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 10:26:11,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:11,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 10:26:11,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:26:11,447 INFO L87 Difference]: Start difference. First operand 375 states and 469 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 10:26:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:11,512 INFO L93 Difference]: Finished difference Result 363 states and 449 transitions. [2024-10-13 10:26:11,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 10:26:11,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2024-10-13 10:26:11,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:11,514 INFO L225 Difference]: With dead ends: 363 [2024-10-13 10:26:11,514 INFO L226 Difference]: Without dead ends: 363 [2024-10-13 10:26:11,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 10:26:11,515 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 9 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:11,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 829 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 10:26:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-13 10:26:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-10-13 10:26:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 351 states have (on average 1.227920227920228) internal successors, (431), 352 states have internal predecessors, (431), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 10:26:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 449 transitions. [2024-10-13 10:26:11,521 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 449 transitions. Word has length 142 [2024-10-13 10:26:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:11,522 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 449 transitions. [2024-10-13 10:26:11,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 10:26:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 449 transitions. [2024-10-13 10:26:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-13 10:26:11,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:11,527 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:11,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-10-13 10:26:11,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:11,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:11,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 191264815, now seen corresponding path program 1 times [2024-10-13 10:26:11,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:11,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128111317] [2024-10-13 10:26:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:26:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:11,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:11,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-13 10:26:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:26:12,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 10:26:12,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 10:26:12,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:26:12,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:12,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128111317] [2024-10-13 10:26:12,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128111317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:26:12,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:26:12,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 10:26:12,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540470602] [2024-10-13 10:26:12,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:26:12,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 10:26:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 10:26:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:26:12,315 INFO L87 Difference]: Start difference. First operand 363 states and 449 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 10:26:12,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:12,360 INFO L93 Difference]: Finished difference Result 365 states and 454 transitions. [2024-10-13 10:26:12,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 10:26:12,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 142 [2024-10-13 10:26:12,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:12,363 INFO L225 Difference]: With dead ends: 365 [2024-10-13 10:26:12,363 INFO L226 Difference]: Without dead ends: 365 [2024-10-13 10:26:12,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 10:26:12,364 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:12,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 878 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 10:26:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-13 10:26:12,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-13 10:26:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 352 states have (on average 1.2301136363636365) internal successors, (433), 354 states have internal predecessors, (433), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 454 transitions. [2024-10-13 10:26:12,371 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 454 transitions. Word has length 142 [2024-10-13 10:26:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:12,371 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 454 transitions. [2024-10-13 10:26:12,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 10:26:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 454 transitions. [2024-10-13 10:26:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-13 10:26:12,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:12,372 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:12,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-10-13 10:26:12,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:12,574 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:12,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1686193135, now seen corresponding path program 1 times [2024-10-13 10:26:12,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:12,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033530536] [2024-10-13 10:26:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:26:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:12,578 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:12,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-13 10:26:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:26:13,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 10:26:13,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-13 10:26:13,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 10:26:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 10:26:13,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033530536] [2024-10-13 10:26:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033530536] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 10:26:13,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 10:26:13,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-13 10:26:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797460713] [2024-10-13 10:26:13,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 10:26:13,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 10:26:13,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:13,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 10:26:13,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 10:26:13,289 INFO L87 Difference]: Start difference. First operand 365 states and 454 transitions. Second operand has 8 states, 6 states have (on average 23.0) internal successors, (138), 8 states have internal predecessors, (138), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:13,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:13,449 INFO L93 Difference]: Finished difference Result 374 states and 470 transitions. [2024-10-13 10:26:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 10:26:13,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 23.0) internal successors, (138), 8 states have internal predecessors, (138), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 146 [2024-10-13 10:26:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:13,453 INFO L225 Difference]: With dead ends: 374 [2024-10-13 10:26:13,453 INFO L226 Difference]: Without dead ends: 374 [2024-10-13 10:26:13,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-13 10:26:13,454 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 4 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:13,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1450 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 10:26:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-13 10:26:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 373. [2024-10-13 10:26:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 359 states have (on average 1.2423398328690807) internal successors, (446), 361 states have internal predecessors, (446), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 467 transitions. [2024-10-13 10:26:13,462 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 467 transitions. Word has length 146 [2024-10-13 10:26:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:13,463 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 467 transitions. [2024-10-13 10:26:13,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 23.0) internal successors, (138), 8 states have internal predecessors, (138), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 467 transitions. [2024-10-13 10:26:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 10:26:13,465 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:13,465 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:13,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-10-13 10:26:13,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:13,666 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:13,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:13,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2095099857, now seen corresponding path program 2 times [2024-10-13 10:26:13,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:13,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628159230] [2024-10-13 10:26:13,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 10:26:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:13,671 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:13,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-10-13 10:26:14,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 10:26:14,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 10:26:14,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 10:26:14,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 10:26:14,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 10:26:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 1 proven. 68 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 10:26:14,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:14,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628159230] [2024-10-13 10:26:14,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628159230] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 10:26:14,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 10:26:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-13 10:26:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252884310] [2024-10-13 10:26:14,787 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 10:26:14,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 10:26:14,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:14,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 10:26:14,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-13 10:26:14,789 INFO L87 Difference]: Start difference. First operand 373 states and 467 transitions. Second operand has 14 states, 12 states have (on average 12.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:15,432 INFO L93 Difference]: Finished difference Result 385 states and 488 transitions. [2024-10-13 10:26:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 10:26:15,433 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 154 [2024-10-13 10:26:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:15,436 INFO L225 Difference]: With dead ends: 385 [2024-10-13 10:26:15,436 INFO L226 Difference]: Without dead ends: 383 [2024-10-13 10:26:15,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-13 10:26:15,438 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 8 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:15,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2035 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 10:26:15,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-13 10:26:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 382. [2024-10-13 10:26:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 368 states have (on average 1.2445652173913044) internal successors, (458), 370 states have internal predecessors, (458), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 479 transitions. [2024-10-13 10:26:15,447 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 479 transitions. Word has length 154 [2024-10-13 10:26:15,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:15,447 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 479 transitions. [2024-10-13 10:26:15,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 479 transitions. [2024-10-13 10:26:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 10:26:15,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:15,448 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:15,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-10-13 10:26:15,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:15,653 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:15,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:15,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1997667411, now seen corresponding path program 3 times [2024-10-13 10:26:15,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:15,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97874278] [2024-10-13 10:26:15,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 10:26:15,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:15,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:15,655 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:15,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-10-13 10:26:17,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-13 10:26:17,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 10:26:17,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 10:26:17,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 172 proven. 15 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-10-13 10:26:18,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 10:26:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 172 proven. 15 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-10-13 10:26:18,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:18,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97874278] [2024-10-13 10:26:18,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97874278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 10:26:18,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 10:26:18,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-13 10:26:18,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620232018] [2024-10-13 10:26:18,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 10:26:18,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 10:26:18,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:18,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 10:26:18,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-13 10:26:18,304 INFO L87 Difference]: Start difference. First operand 382 states and 479 transitions. Second operand has 16 states, 14 states have (on average 10.214285714285714) internal successors, (143), 16 states have internal predecessors, (143), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 10:26:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:18,834 INFO L93 Difference]: Finished difference Result 391 states and 496 transitions. [2024-10-13 10:26:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 10:26:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 10.214285714285714) internal successors, (143), 16 states have internal predecessors, (143), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 172 [2024-10-13 10:26:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:18,837 INFO L225 Difference]: With dead ends: 391 [2024-10-13 10:26:18,837 INFO L226 Difference]: Without dead ends: 390 [2024-10-13 10:26:18,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=454, Unknown=0, NotChecked=0, Total=702 [2024-10-13 10:26:18,838 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 8 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:18,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2311 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 10:26:18,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-13 10:26:18,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 389. [2024-10-13 10:26:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 375 states have (on average 1.256) internal successors, (471), 377 states have internal predecessors, (471), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 492 transitions. [2024-10-13 10:26:18,872 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 492 transitions. Word has length 172 [2024-10-13 10:26:18,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:18,872 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 492 transitions. [2024-10-13 10:26:18,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 10.214285714285714) internal successors, (143), 16 states have internal predecessors, (143), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 10:26:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 492 transitions. [2024-10-13 10:26:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 10:26:18,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:18,874 INFO L215 NwaCegarLoop]: trace histogram [44, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:18,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-10-13 10:26:19,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:19,075 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:19,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:19,076 INFO L85 PathProgramCache]: Analyzing trace with hash -565499857, now seen corresponding path program 4 times [2024-10-13 10:26:19,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:19,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376988811] [2024-10-13 10:26:19,077 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 10:26:19,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:19,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:19,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:19,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-10-13 10:26:19,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 10:26:19,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 10:26:19,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 10:26:19,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 585 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-10-13 10:26:19,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 10:26:19,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:19,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376988811] [2024-10-13 10:26:19,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376988811] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:26:19,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:26:19,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 10:26:19,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832993913] [2024-10-13 10:26:19,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:26:19,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:26:19,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:26:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:26:19,634 INFO L87 Difference]: Start difference. First operand 389 states and 492 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 10:26:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:19,746 INFO L93 Difference]: Finished difference Result 429 states and 532 transitions. [2024-10-13 10:26:19,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:26:19,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-13 10:26:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:19,748 INFO L225 Difference]: With dead ends: 429 [2024-10-13 10:26:19,748 INFO L226 Difference]: Without dead ends: 429 [2024-10-13 10:26:19,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:26:19,749 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 4 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:19,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 542 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 10:26:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-13 10:26:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-10-13 10:26:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 415 states have (on average 1.2313253012048193) internal successors, (511), 417 states have internal predecessors, (511), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 532 transitions. [2024-10-13 10:26:19,760 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 532 transitions. Word has length 186 [2024-10-13 10:26:19,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:19,761 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 532 transitions. [2024-10-13 10:26:19,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 10:26:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 532 transitions. [2024-10-13 10:26:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 10:26:19,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:19,764 INFO L215 NwaCegarLoop]: trace histogram [44, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:19,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-10-13 10:26:19,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:19,965 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:19,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:19,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1511837041, now seen corresponding path program 1 times [2024-10-13 10:26:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:19,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825159726] [2024-10-13 10:26:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:26:19,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:19,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:19,970 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:19,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-10-13 10:26:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:26:20,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 10:26:20,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 10:26:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 414 proven. 55 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-10-13 10:26:21,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 10:26:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2024-10-13 10:26:21,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 10:26:21,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825159726] [2024-10-13 10:26:21,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825159726] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 10:26:21,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 10:26:21,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-13 10:26:21,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092271305] [2024-10-13 10:26:21,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 10:26:21,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-13 10:26:21,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 10:26:21,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-13 10:26:21,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-13 10:26:21,551 INFO L87 Difference]: Start difference. First operand 429 states and 532 transitions. Second operand has 26 states, 24 states have (on average 6.5) internal successors, (156), 26 states have internal predecessors, (156), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 10:26:23,364 INFO L93 Difference]: Finished difference Result 444 states and 559 transitions. [2024-10-13 10:26:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-13 10:26:23,365 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.5) internal successors, (156), 26 states have internal predecessors, (156), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 186 [2024-10-13 10:26:23,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 10:26:23,367 INFO L225 Difference]: With dead ends: 444 [2024-10-13 10:26:23,367 INFO L226 Difference]: Without dead ends: 442 [2024-10-13 10:26:23,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-13 10:26:23,368 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 13 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 10:26:23,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4063 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 10:26:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-13 10:26:23,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 441. [2024-10-13 10:26:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 427 states have (on average 1.224824355971897) internal successors, (523), 429 states have internal predecessors, (523), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-10-13 10:26:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 544 transitions. [2024-10-13 10:26:23,375 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 544 transitions. Word has length 186 [2024-10-13 10:26:23,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 10:26:23,375 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 544 transitions. [2024-10-13 10:26:23,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.5) internal successors, (156), 26 states have internal predecessors, (156), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 10:26:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 544 transitions. [2024-10-13 10:26:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 10:26:23,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 10:26:23,377 INFO L215 NwaCegarLoop]: trace histogram [68, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:26:23,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-10-13 10:26:23,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:23,582 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-13 10:26:23,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:26:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash -276686223, now seen corresponding path program 2 times [2024-10-13 10:26:23,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 10:26:23,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040522702] [2024-10-13 10:26:23,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 10:26:23,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 10:26:23,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 10:26:23,587 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 10:26:23,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process