./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_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version fca748b1 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_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:23:52,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:23:52,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-20 14:23:52,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:23:52,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:23:52,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:23:52,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:23:52,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:23:52,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 14:23:52,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 14:23:52,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:23:52,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:23:52,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:23:52,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:23:52,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:23:52,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:23:52,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:23:52,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:23:52,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:23:52,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:23:52,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:23:52,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:23:52,383 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 14:23:52,383 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 14:23:52,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:23:52,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:23:52,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 14:23:52,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:23:52,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:23:52,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:23:52,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:23:52,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:23:52,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:23:52,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:23:52,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 14:23:52,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:23:52,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:23:52,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:23:52,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:23:52,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 14:23:52,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 14:23:52,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:23:52,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:23:52,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:23:52,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:23:52,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2024-11-20 14:23:52,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:23:52,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:23:52,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:23:52,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:23:52,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:23:52,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-20 14:23:54,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:23:54,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:23:54,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-20 14:23:54,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0102592/88ad69629140423497483211f46b5ef9/FLAG79d299968 [2024-11-20 14:23:54,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0102592/88ad69629140423497483211f46b5ef9 [2024-11-20 14:23:54,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:23:54,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:23:54,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:23:54,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:23:54,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:23:54,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:54" (1/1) ... [2024-11-20 14:23:54,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ec0a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:54, skipping insertion in model container [2024-11-20 14:23:54,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:54" (1/1) ... [2024-11-20 14:23:54,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:23:55,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,258 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,266 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,272 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,281 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,315 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,316 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,321 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,326 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:23:55,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:23:55,355 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) [2024-11-20 14:23:55,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62f8f6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:55, skipping insertion in model container [2024-11-20 14:23:55,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:23:55,356 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-20 14:23:55,357 INFO L158 Benchmark]: Toolchain (without parser) took 586.40ms. Allocated memory is still 165.7MB. Free memory was 109.4MB in the beginning and 86.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 14:23:55,358 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 165.7MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 14:23:55,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.30ms. Allocated memory is still 165.7MB. Free memory was 109.4MB in the beginning and 86.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 14:23:55,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 165.7MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.30ms. Allocated memory is still 165.7MB. Free memory was 109.4MB in the beginning and 86.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:23:57,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:23:57,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-20 14:23:57,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:23:57,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:23:57,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:23:57,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:23:57,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:23:57,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 14:23:57,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 14:23:57,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:23:57,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:23:57,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:23:57,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:23:57,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:23:57,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:23:57,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:23:57,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:23:57,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:23:57,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:23:57,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:23:57,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:23:57,538 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 14:23:57,539 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 14:23:57,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:23:57,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:23:57,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 14:23:57,540 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 14:23:57,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:23:57,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 14:23:57,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:23:57,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:23:57,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:23:57,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:23:57,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:23:57,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:23:57,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 14:23:57,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:23:57,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:23:57,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:23:57,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:23:57,549 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 14:23:57,549 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 14:23:57,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:23:57,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:23:57,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:23:57,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:23:57,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2024-11-20 14:23:57,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:23:57,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:23:57,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:23:57,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:23:57,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:23:57,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-20 14:23:59,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:23:59,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:23:59,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-20 14:23:59,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe4687dd/00d33f28b9ae4a10806caf3c79d547c4/FLAG04519be50 [2024-11-20 14:23:59,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe4687dd/00d33f28b9ae4a10806caf3c79d547c4 [2024-11-20 14:23:59,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:23:59,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:23:59,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:23:59,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:23:59,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:23:59,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:59" (1/1) ... [2024-11-20 14:23:59,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bdac9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:59, skipping insertion in model container [2024-11-20 14:23:59,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:59" (1/1) ... [2024-11-20 14:23:59,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:24:00,225 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,268 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,275 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,288 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,342 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,344 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,347 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:24:00,398 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-20 14:24:00,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:24:00,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,502 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,505 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,506 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:24:00,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:24:00,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 14:24:00,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:24:00,670 INFO L204 MainTranslator]: Completed translation [2024-11-20 14:24:00,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00 WrapperNode [2024-11-20 14:24:00,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:24:00,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 14:24:00,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 14:24:00,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 14:24:00,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,810 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1018 [2024-11-20 14:24:00,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 14:24:00,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 14:24:00,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 14:24:00,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 14:24:00,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,896 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-20 14:24:00,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:00,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 14:24:00,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 14:24:00,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 14:24:00,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 14:24:00,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (1/1) ... [2024-11-20 14:24:01,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:24:01,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:24:01,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 14:24:01,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-20 14:24:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-20 14:24:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-20 14:24:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 14:24:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 14:24:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 14:24:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 14:24:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 14:24:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 14:24:01,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 14:24:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-20 14:24:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 14:24:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 14:24:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-20 14:24:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-20 14:24:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 14:24:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 14:24:01,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 14:24:01,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 14:24:09,123 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-20 14:24:09,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 14:24:09,143 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 14:24:09,145 INFO L316 CfgBuilder]: Removed 62 assume(true) statements. [2024-11-20 14:24:09,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:24:09 BoogieIcfgContainer [2024-11-20 14:24:09,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 14:24:09,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 14:24:09,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 14:24:09,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 14:24:09,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:23:59" (1/3) ... [2024-11-20 14:24:09,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d07231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:24:09, skipping insertion in model container [2024-11-20 14:24:09,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:24:00" (2/3) ... [2024-11-20 14:24:09,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d07231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:24:09, skipping insertion in model container [2024-11-20 14:24:09,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:24:09" (3/3) ... [2024-11-20 14:24:09,157 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2024-11-20 14:24:09,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 14:24:09,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 14:24:09,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:24:09,239 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;@73ae62e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:24:09,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 14:24:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 208 states have (on average 1.6682692307692308) internal successors, (347), 227 states have internal predecessors, (347), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 14:24:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 14:24:09,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:09,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:09,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:09,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:09,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1628734314, now seen corresponding path program 1 times [2024-11-20 14:24:09,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:09,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393734178] [2024-11-20 14:24:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:09,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:09,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:09,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 14:24:09,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 14:24:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:09,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 14:24:09,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:09,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:09,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393734178] [2024-11-20 14:24:09,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393734178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:09,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:09,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:24:09,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367652091] [2024-11-20 14:24:09,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:09,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 14:24:09,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 14:24:09,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 14:24:09,542 INFO L87 Difference]: Start difference. First operand has 237 states, 208 states have (on average 1.6682692307692308) internal successors, (347), 227 states have internal predecessors, (347), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:09,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:09,587 INFO L93 Difference]: Finished difference Result 235 states and 320 transitions. [2024-11-20 14:24:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 14:24:09,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 14:24:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:09,606 INFO L225 Difference]: With dead ends: 235 [2024-11-20 14:24:09,606 INFO L226 Difference]: Without dead ends: 233 [2024-11-20 14:24:09,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 14:24:09,611 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:09,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 14:24:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-20 14:24:09,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-20 14:24:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 206 states have (on average 1.3398058252427185) internal successors, (276), 223 states have internal predecessors, (276), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 14:24:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 318 transitions. [2024-11-20 14:24:09,740 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 318 transitions. Word has length 7 [2024-11-20 14:24:09,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:09,740 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 318 transitions. [2024-11-20 14:24:09,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:09,741 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 318 transitions. [2024-11-20 14:24:09,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 14:24:09,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:09,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:09,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 14:24:09,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:09,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:09,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1529756569, now seen corresponding path program 1 times [2024-11-20 14:24:09,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:09,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294183281] [2024-11-20 14:24:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:09,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:09,949 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) [2024-11-20 14:24:09,950 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 [2024-11-20 14:24:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:10,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 14:24:10,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:10,232 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:24:10,233 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:24:10,234 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:24:10,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-20 14:24:10,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 14:24:10,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-20 14:24:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:10,368 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:10,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:10,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294183281] [2024-11-20 14:24:10,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294183281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:10,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:10,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:24:10,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718439284] [2024-11-20 14:24:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:10,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:24:10,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:10,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:24:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:24:10,371 INFO L87 Difference]: Start difference. First operand 233 states and 318 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:10,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:11,001 INFO L93 Difference]: Finished difference Result 415 states and 557 transitions. [2024-11-20 14:24:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:24:11,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 14:24:11,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:11,004 INFO L225 Difference]: With dead ends: 415 [2024-11-20 14:24:11,005 INFO L226 Difference]: Without dead ends: 415 [2024-11-20 14:24:11,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:24:11,006 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 225 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:11,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 939 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 14:24:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-20 14:24:11,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 235. [2024-11-20 14:24:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 208 states have (on average 1.3365384615384615) internal successors, (278), 225 states have internal predecessors, (278), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 14:24:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 320 transitions. [2024-11-20 14:24:11,037 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 320 transitions. Word has length 9 [2024-11-20 14:24:11,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:11,038 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 320 transitions. [2024-11-20 14:24:11,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 320 transitions. [2024-11-20 14:24:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 14:24:11,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:11,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:11,045 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 (3)] Forceful destruction successful, exit code 0 [2024-11-20 14:24:11,241 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 [2024-11-20 14:24:11,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:11,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:11,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1164520091, now seen corresponding path program 1 times [2024-11-20 14:24:11,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:11,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147614554] [2024-11-20 14:24:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:11,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:11,247 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) [2024-11-20 14:24:11,248 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 [2024-11-20 14:24:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:11,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:24:11,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:11,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:11,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147614554] [2024-11-20 14:24:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147614554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:11,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:11,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:24:11,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794476862] [2024-11-20 14:24:11,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:11,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:24:11,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:11,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:24:11,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:24:11,644 INFO L87 Difference]: Start difference. First operand 235 states and 320 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:11,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:11,805 INFO L93 Difference]: Finished difference Result 238 states and 315 transitions. [2024-11-20 14:24:11,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:24:11,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-20 14:24:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:11,808 INFO L225 Difference]: With dead ends: 238 [2024-11-20 14:24:11,808 INFO L226 Difference]: Without dead ends: 238 [2024-11-20 14:24:11,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:24:11,810 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 30 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:11,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 845 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:24:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-20 14:24:11,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-20 14:24:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 228 states have internal predecessors, (273), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 14:24:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 315 transitions. [2024-11-20 14:24:11,838 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 315 transitions. Word has length 67 [2024-11-20 14:24:11,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:11,839 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 315 transitions. [2024-11-20 14:24:11,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2024-11-20 14:24:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 14:24:11,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:11,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:11,852 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 [2024-11-20 14:24:12,042 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 [2024-11-20 14:24:12,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:12,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1186406695, now seen corresponding path program 1 times [2024-11-20 14:24:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818643615] [2024-11-20 14:24:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:12,048 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) [2024-11-20 14:24:12,050 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 [2024-11-20 14:24:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:12,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 14:24:12,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:12,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:12,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:12,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818643615] [2024-11-20 14:24:12,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818643615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:12,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:12,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 14:24:12,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360249781] [2024-11-20 14:24:12,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:12,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 14:24:12,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:12,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 14:24:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:24:12,633 INFO L87 Difference]: Start difference. First operand 238 states and 315 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:12,760 INFO L93 Difference]: Finished difference Result 232 states and 305 transitions. [2024-11-20 14:24:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:24:12,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-20 14:24:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:12,762 INFO L225 Difference]: With dead ends: 232 [2024-11-20 14:24:12,763 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 14:24:12,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:24:12,764 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:12,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:24:12,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 14:24:12,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-20 14:24:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 205 states have (on average 1.2829268292682927) internal successors, (263), 222 states have internal predecessors, (263), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 14:24:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 305 transitions. [2024-11-20 14:24:12,773 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 305 transitions. Word has length 67 [2024-11-20 14:24:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:12,774 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 305 transitions. [2024-11-20 14:24:12,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 305 transitions. [2024-11-20 14:24:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 14:24:12,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:12,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:12,785 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 (5)] Ended with exit code 0 [2024-11-20 14:24:12,976 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 [2024-11-20 14:24:12,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:12,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:12,977 INFO L85 PathProgramCache]: Analyzing trace with hash -792039909, now seen corresponding path program 1 times [2024-11-20 14:24:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:12,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606853061] [2024-11-20 14:24:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:12,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:12,981 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) [2024-11-20 14:24:12,983 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 [2024-11-20 14:24:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:13,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:24:13,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:13,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:13,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:13,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606853061] [2024-11-20 14:24:13,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606853061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:13,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:13,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 14:24:13,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380939911] [2024-11-20 14:24:13,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:13,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:24:13,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:13,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:24:13,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:24:13,687 INFO L87 Difference]: Start difference. First operand 232 states and 305 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:14,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:14,556 INFO L93 Difference]: Finished difference Result 341 states and 436 transitions. [2024-11-20 14:24:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:24:14,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-20 14:24:14,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:14,559 INFO L225 Difference]: With dead ends: 341 [2024-11-20 14:24:14,559 INFO L226 Difference]: Without dead ends: 341 [2024-11-20 14:24:14,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:24:14,560 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 89 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:14,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 627 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 14:24:14,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-20 14:24:14,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 336. [2024-11-20 14:24:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 308 states have (on average 1.2597402597402598) internal successors, (388), 325 states have internal predecessors, (388), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 14:24:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 432 transitions. [2024-11-20 14:24:14,571 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 432 transitions. Word has length 67 [2024-11-20 14:24:14,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:14,571 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 432 transitions. [2024-11-20 14:24:14,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:24:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 432 transitions. [2024-11-20 14:24:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 14:24:14,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:14,579 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:14,587 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 [2024-11-20 14:24:14,780 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 [2024-11-20 14:24:14,780 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:14,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:14,781 INFO L85 PathProgramCache]: Analyzing trace with hash -175733518, now seen corresponding path program 1 times [2024-11-20 14:24:14,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:14,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79446747] [2024-11-20 14:24:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:14,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:14,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:14,786 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) [2024-11-20 14:24:14,788 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 [2024-11-20 14:24:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:15,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:24:15,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:24:15,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:24:15,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:15,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79446747] [2024-11-20 14:24:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79446747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:24:15,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:24:15,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:24:15,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099247222] [2024-11-20 14:24:15,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:24:15,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:24:15,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:15,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:24:15,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:24:15,311 INFO L87 Difference]: Start difference. First operand 336 states and 432 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 14:24:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:15,352 INFO L93 Difference]: Finished difference Result 339 states and 436 transitions. [2024-11-20 14:24:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:24:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-20 14:24:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:15,355 INFO L225 Difference]: With dead ends: 339 [2024-11-20 14:24:15,355 INFO L226 Difference]: Without dead ends: 339 [2024-11-20 14:24:15,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:24:15,357 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 0 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:15,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 896 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 14:24:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-20 14:24:15,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-20 14:24:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 310 states have (on average 1.261290322580645) internal successors, (391), 328 states have internal predecessors, (391), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 436 transitions. [2024-11-20 14:24:15,368 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 436 transitions. Word has length 82 [2024-11-20 14:24:15,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:15,369 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 436 transitions. [2024-11-20 14:24:15,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 14:24:15,369 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 436 transitions. [2024-11-20 14:24:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-20 14:24:15,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:15,371 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:15,382 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 [2024-11-20 14:24:15,571 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 [2024-11-20 14:24:15,572 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:15,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:15,572 INFO L85 PathProgramCache]: Analyzing trace with hash 796595184, now seen corresponding path program 1 times [2024-11-20 14:24:15,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:15,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393344479] [2024-11-20 14:24:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:24:15,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:15,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:15,576 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) [2024-11-20 14:24:15,577 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 [2024-11-20 14:24:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:15,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 14:24:15,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 14:24:16,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 14:24:16,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:16,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393344479] [2024-11-20 14:24:16,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393344479] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:16,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:16,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 14:24:16,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176230798] [2024-11-20 14:24:16,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:16,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 14:24:16,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 14:24:16,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 14:24:16,150 INFO L87 Difference]: Start difference. First operand 339 states and 436 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:16,356 INFO L93 Difference]: Finished difference Result 350 states and 452 transitions. [2024-11-20 14:24:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 14:24:16,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-11-20 14:24:16,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:16,363 INFO L225 Difference]: With dead ends: 350 [2024-11-20 14:24:16,363 INFO L226 Difference]: Without dead ends: 350 [2024-11-20 14:24:16,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-20 14:24:16,364 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:16,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1194 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:24:16,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-20 14:24:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2024-11-20 14:24:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 318 states have (on average 1.2735849056603774) internal successors, (405), 336 states have internal predecessors, (405), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2024-11-20 14:24:16,377 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 84 [2024-11-20 14:24:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:16,377 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2024-11-20 14:24:16,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2024-11-20 14:24:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 14:24:16,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:16,380 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:16,391 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 (8)] Forceful destruction successful, exit code 0 [2024-11-20 14:24:16,580 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 [2024-11-20 14:24:16,581 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:16,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:16,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1063743762, now seen corresponding path program 2 times [2024-11-20 14:24:16,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:16,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268005155] [2024-11-20 14:24:16,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 14:24:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:16,586 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) [2024-11-20 14:24:16,587 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 (9)] Waiting until timeout for monitored process [2024-11-20 14:24:17,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 14:24:17,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:24:17,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 14:24:17,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 14:24:17,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 14:24:17,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:17,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268005155] [2024-11-20 14:24:17,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268005155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:17,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:17,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-20 14:24:17,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636506049] [2024-11-20 14:24:17,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:17,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 14:24:17,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 14:24:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-20 14:24:17,863 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:18,412 INFO L93 Difference]: Finished difference Result 363 states and 472 transitions. [2024-11-20 14:24:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 14:24:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 88 [2024-11-20 14:24:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:18,418 INFO L225 Difference]: With dead ends: 363 [2024-11-20 14:24:18,418 INFO L226 Difference]: Without dead ends: 359 [2024-11-20 14:24:18,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-20 14:24:18,419 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 8 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:18,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1793 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 14:24:18,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-20 14:24:18,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2024-11-20 14:24:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 327 states have (on average 1.275229357798165) internal successors, (417), 345 states have internal predecessors, (417), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 462 transitions. [2024-11-20 14:24:18,429 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 462 transitions. Word has length 88 [2024-11-20 14:24:18,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:18,429 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 462 transitions. [2024-11-20 14:24:18,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 462 transitions. [2024-11-20 14:24:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 14:24:18,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:18,431 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:18,447 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 [2024-11-20 14:24:18,631 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 [2024-11-20 14:24:18,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:18,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash 194273585, now seen corresponding path program 3 times [2024-11-20 14:24:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653206003] [2024-11-20 14:24:18,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 14:24:18,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:18,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:18,634 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) [2024-11-20 14:24:18,635 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 [2024-11-20 14:24:20,722 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-20 14:24:20,722 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:24:20,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 14:24:20,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-20 14:24:20,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-20 14:24:21,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:21,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653206003] [2024-11-20 14:24:21,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653206003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:21,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:21,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-20 14:24:21,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443849535] [2024-11-20 14:24:21,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:21,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 14:24:21,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:21,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 14:24:21,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-20 14:24:21,118 INFO L87 Difference]: Start difference. First operand 357 states and 462 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:24:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:21,637 INFO L93 Difference]: Finished difference Result 368 states and 479 transitions. [2024-11-20 14:24:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 14:24:21,638 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 97 [2024-11-20 14:24:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:21,640 INFO L225 Difference]: With dead ends: 368 [2024-11-20 14:24:21,640 INFO L226 Difference]: Without dead ends: 366 [2024-11-20 14:24:21,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=454, Unknown=0, NotChecked=0, Total=702 [2024-11-20 14:24:21,641 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 8 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:21,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2386 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 14:24:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-20 14:24:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2024-11-20 14:24:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 334 states have (on average 1.2874251497005988) internal successors, (430), 352 states have internal predecessors, (430), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 475 transitions. [2024-11-20 14:24:21,653 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 475 transitions. Word has length 97 [2024-11-20 14:24:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:21,654 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 475 transitions. [2024-11-20 14:24:21,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:24:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 475 transitions. [2024-11-20 14:24:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 14:24:21,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:21,655 INFO L215 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:21,674 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 (10)] Forceful destruction successful, exit code 0 [2024-11-20 14:24:21,855 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 [2024-11-20 14:24:21,856 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:21,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1136708818, now seen corresponding path program 4 times [2024-11-20 14:24:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703499174] [2024-11-20 14:24:21,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 14:24:21,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:21,860 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) [2024-11-20 14:24:21,861 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 [2024-11-20 14:24:22,486 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 14:24:22,487 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:24:22,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 14:24:22,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 146 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-20 14:24:22,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 14:24:23,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:23,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703499174] [2024-11-20 14:24:23,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703499174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:23,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:23,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-20 14:24:23,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007780317] [2024-11-20 14:24:23,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:23,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 14:24:23,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:23,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 14:24:23,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-20 14:24:23,208 INFO L87 Difference]: Start difference. First operand 364 states and 475 transitions. Second operand has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:24,846 INFO L93 Difference]: Finished difference Result 382 states and 503 transitions. [2024-11-20 14:24:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-20 14:24:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 104 [2024-11-20 14:24:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:24,850 INFO L225 Difference]: With dead ends: 382 [2024-11-20 14:24:24,850 INFO L226 Difference]: Without dead ends: 378 [2024-11-20 14:24:24,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-20 14:24:24,852 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 13 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3581 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:24,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3581 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 14:24:24,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-20 14:24:24,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2024-11-20 14:24:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 346 states have (on average 1.277456647398844) internal successors, (442), 364 states have internal predecessors, (442), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 487 transitions. [2024-11-20 14:24:24,865 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 487 transitions. Word has length 104 [2024-11-20 14:24:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:24,865 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 487 transitions. [2024-11-20 14:24:24,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 487 transitions. [2024-11-20 14:24:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-20 14:24:24,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:24,868 INFO L215 NwaCegarLoop]: trace histogram [34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:24,884 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 (11)] Forceful destruction successful, exit code 0 [2024-11-20 14:24:25,068 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 [2024-11-20 14:24:25,069 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:25,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 240653714, now seen corresponding path program 5 times [2024-11-20 14:24:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:25,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706535703] [2024-11-20 14:24:25,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 14:24:25,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:25,074 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) [2024-11-20 14:24:25,075 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 [2024-11-20 14:24:26,230 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-20 14:24:26,230 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:24:26,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 14:24:26,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 302 proven. 253 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-20 14:24:26,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 554 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 14:24:28,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:28,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706535703] [2024-11-20 14:24:28,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706535703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:28,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:28,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-20 14:24:28,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205743650] [2024-11-20 14:24:28,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:28,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-20 14:24:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-20 14:24:28,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-20 14:24:28,196 INFO L87 Difference]: Start difference. First operand 376 states and 487 transitions. Second operand has 50 states, 50 states have (on average 2.54) internal successors, (127), 50 states have internal predecessors, (127), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:34,295 INFO L93 Difference]: Finished difference Result 415 states and 557 transitions. [2024-11-20 14:24:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-20 14:24:34,297 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.54) internal successors, (127), 50 states have internal predecessors, (127), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 116 [2024-11-20 14:24:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:34,299 INFO L225 Difference]: With dead ends: 415 [2024-11-20 14:24:34,299 INFO L226 Difference]: Without dead ends: 411 [2024-11-20 14:24:34,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-20 14:24:34,304 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 26 mSDsluCounter, 7447 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7747 SdHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:34,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7747 Invalid, 1934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 14:24:34,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-20 14:24:34,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 409. [2024-11-20 14:24:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 379 states have (on average 1.2823218997361479) internal successors, (486), 397 states have internal predecessors, (486), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 531 transitions. [2024-11-20 14:24:34,316 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 531 transitions. Word has length 116 [2024-11-20 14:24:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:34,317 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 531 transitions. [2024-11-20 14:24:34,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.54) internal successors, (127), 50 states have internal predecessors, (127), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:24:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 531 transitions. [2024-11-20 14:24:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-20 14:24:34,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:34,319 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:34,340 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 [2024-11-20 14:24:34,519 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 [2024-11-20 14:24:34,520 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:34,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:34,521 INFO L85 PathProgramCache]: Analyzing trace with hash -620327887, now seen corresponding path program 6 times [2024-11-20 14:24:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288992629] [2024-11-20 14:24:34,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-20 14:24:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:34,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:34,525 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) [2024-11-20 14:24:34,527 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 [2024-11-20 14:24:43,659 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-11-20 14:24:43,660 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:24:43,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-20 14:24:43,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:24:44,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:24:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:24:46,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:24:46,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288992629] [2024-11-20 14:24:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288992629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:24:46,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:24:46,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-20 14:24:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785491953] [2024-11-20 14:24:46,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:24:46,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-20 14:24:46,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:24:46,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-20 14:24:46,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 14:24:46,864 INFO L87 Difference]: Start difference. First operand 409 states and 531 transitions. Second operand has 52 states, 52 states have (on average 2.4038461538461537) internal successors, (125), 52 states have internal predecessors, (125), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:24:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:24:54,475 INFO L93 Difference]: Finished difference Result 438 states and 584 transitions. [2024-11-20 14:24:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-20 14:24:54,476 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 2.4038461538461537) internal successors, (125), 52 states have internal predecessors, (125), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 149 [2024-11-20 14:24:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:24:54,478 INFO L225 Difference]: With dead ends: 438 [2024-11-20 14:24:54,478 INFO L226 Difference]: Without dead ends: 436 [2024-11-20 14:24:54,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-20 14:24:54,481 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 27 mSDsluCounter, 7746 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8046 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:24:54,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8046 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 14:24:54,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-20 14:24:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2024-11-20 14:24:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 404 states have (on average 1.3242574257425743) internal successors, (535), 422 states have internal predecessors, (535), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-20 14:24:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 580 transitions. [2024-11-20 14:24:54,491 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 580 transitions. Word has length 149 [2024-11-20 14:24:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:24:54,491 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 580 transitions. [2024-11-20 14:24:54,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.4038461538461537) internal successors, (125), 52 states have internal predecessors, (125), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:24:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 580 transitions. [2024-11-20 14:24:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 14:24:54,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:24:54,493 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:24:54,532 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 (13)] Ended with exit code 0 [2024-11-20 14:24:54,694 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 [2024-11-20 14:24:54,694 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:24:54,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:24:54,694 INFO L85 PathProgramCache]: Analyzing trace with hash -926835534, now seen corresponding path program 7 times [2024-11-20 14:24:54,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:24:54,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434194297] [2024-11-20 14:24:54,695 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-20 14:24:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:24:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:24:54,696 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) [2024-11-20 14:24:54,697 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 [2024-11-20 14:24:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:24:56,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-20 14:24:56,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:24:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:24:57,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:25:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:25:04,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:25:04,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434194297] [2024-11-20 14:25:04,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434194297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:25:04,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:25:04,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-20 14:25:04,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632148488] [2024-11-20 14:25:04,057 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:25:04,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-20 14:25:04,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:25:04,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-20 14:25:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-20 14:25:04,062 INFO L87 Difference]: Start difference. First operand 434 states and 580 transitions. Second operand has 102 states, 102 states have (on average 1.7156862745098038) internal successors, (175), 102 states have internal predecessors, (175), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)