./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:51:00,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:51:00,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 06:51:00,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:51:00,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:51:00,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:51:00,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:51:00,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:51:00,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:51:00,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:51:00,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:51:00,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:51:00,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:51:00,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:51:00,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:51:00,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:51:00,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:51:00,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:51:00,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:51:00,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:51:00,768 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:51:00,770 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:51:00,770 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 06:51:00,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:51:00,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:51:00,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:51:00,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:51:00,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:51:00,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:51:00,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:51:00,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:51:00,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:51:00,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:51:00,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:51:00,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:51:00,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:51:00,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:51:00,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:51:00,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:51:00,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:51:00,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:51:00,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:51:00,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf [2024-11-19 06:51:01,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:51:01,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:51:01,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:51:01,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:51:01,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:51:01,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-19 06:51:02,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:51:02,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:51:02,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-19 06:51:02,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de7e1ac5/4d718d875b9a4c9a8450d9fac8680e68/FLAG5371dde08 [2024-11-19 06:51:03,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de7e1ac5/4d718d875b9a4c9a8450d9fac8680e68 [2024-11-19 06:51:03,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:51:03,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:51:03,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:51:03,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:51:03,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:51:03,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:03" (1/1) ... [2024-11-19 06:51:03,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197d6a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:03, skipping insertion in model container [2024-11-19 06:51:03,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:03" (1/1) ... [2024-11-19 06:51:03,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:51:03,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:03,685 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:03,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:51:03,707 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) [2024-11-19 06:51:03,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38f8be8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:03, skipping insertion in model container [2024-11-19 06:51:03,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:51:03,710 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-19 06:51:03,715 INFO L158 Benchmark]: Toolchain (without parser) took 553.67ms. Allocated memory is still 161.5MB. Free memory was 87.1MB in the beginning and 124.5MB in the end (delta: -37.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-19 06:51:03,715 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 128.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:51:03,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.19ms. Allocated memory is still 161.5MB. Free memory was 86.9MB in the beginning and 124.5MB in the end (delta: -37.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-19 06:51:03,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 128.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.19ms. Allocated memory is still 161.5MB. Free memory was 86.9MB in the beginning and 124.5MB in the end (delta: -37.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 607]: 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/11.0.12-open/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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:51:05,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:51:05,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-19 06:51:05,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:51:05,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:51:05,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:51:05,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:51:05,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:51:05,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:51:05,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:51:05,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:51:05,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:51:05,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:51:05,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:51:05,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:51:05,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:51:05,928 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:51:05,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:51:05,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:51:05,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:51:05,929 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:51:05,930 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:51:05,930 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 06:51:05,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:51:05,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:51:05,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 06:51:05,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:51:05,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 06:51:05,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:51:05,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:51:05,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:51:05,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:51:05,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:51:05,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:51:05,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:51:05,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:51:05,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:51:05,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:51:05,940 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 06:51:05,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 06:51:05,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:51:05,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:51:05,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:51:05,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:51:05,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf [2024-11-19 06:51:06,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:51:06,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:51:06,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:51:06,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:51:06,297 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:51:06,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-19 06:51:07,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:51:08,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:51:08,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2024-11-19 06:51:08,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15047776e/033bae80fbb14b4eb7fa5c637aa8b9c4/FLAG9623c76be [2024-11-19 06:51:08,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15047776e/033bae80fbb14b4eb7fa5c637aa8b9c4 [2024-11-19 06:51:08,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:51:08,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:51:08,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:51:08,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:51:08,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:51:08,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59408935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08, skipping insertion in model container [2024-11-19 06:51:08,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:51:08,613 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:08,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:08,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:51:08,708 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-19 06:51:08,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:51:08,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:08,782 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:51:08,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:51:08,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:51:08,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:51:08,901 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:51:08,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08 WrapperNode [2024-11-19 06:51:08,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:51:08,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:51:08,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:51:08,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:51:08,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,971 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 22 [2024-11-19 06:51:08,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:51:08,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:51:08,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:51:08,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:51:08,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:08,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,016 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [2, 0]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 0 writes are split as follows [0, 0]. [2024-11-19 06:51:09,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:51:09,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:51:09,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:51:09,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:51:09,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (1/1) ... [2024-11-19 06:51:09,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:51:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:51:09,085 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) [2024-11-19 06:51:09,089 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 [2024-11-19 06:51:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 06:51:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 06:51:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:51:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:51:09,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:51:09,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:51:09,404 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-19 06:51:09,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:51:09,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:51:09,426 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 06:51:09,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:09 BoogieIcfgContainer [2024-11-19 06:51:09,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:51:09,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:51:09,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:51:09,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:51:09,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:51:08" (1/3) ... [2024-11-19 06:51:09,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f44716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:51:09, skipping insertion in model container [2024-11-19 06:51:09,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:51:08" (2/3) ... [2024-11-19 06:51:09,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f44716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:51:09, skipping insertion in model container [2024-11-19 06:51:09,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:09" (3/3) ... [2024-11-19 06:51:09,438 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2024-11-19 06:51:09,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:51:09,454 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 06:51:09,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:51:09,504 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;@38decb47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:51:09,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 06:51:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 06:51:09,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:09,523 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:09,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:09,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1492643359, now seen corresponding path program 1 times [2024-11-19 06:51:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:09,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346715192] [2024-11-19 06:51:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:09,545 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 [2024-11-19 06:51:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:09,548 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) [2024-11-19 06:51:09,549 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 [2024-11-19 06:51:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:09,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:51:09,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:09,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:09,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346715192] [2024-11-19 06:51:09,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346715192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:09,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:09,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:51:09,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587354643] [2024-11-19 06:51:09,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:09,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:51:09,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:09,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:51:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:51:09,783 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:09,862 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-19 06:51:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:51:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 06:51:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:09,881 INFO L225 Difference]: With dead ends: 21 [2024-11-19 06:51:09,881 INFO L226 Difference]: Without dead ends: 19 [2024-11-19 06:51:09,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:51:09,890 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:09,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 48 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:51:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-19 06:51:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-19 06:51:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-19 06:51:09,921 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2024-11-19 06:51:09,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:09,921 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-19 06:51:09,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-19 06:51:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 06:51:09,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:09,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:09,928 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 (2)] Forceful destruction successful, exit code 0 [2024-11-19 06:51:10,124 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 [2024-11-19 06:51:10,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:10,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash -972696078, now seen corresponding path program 1 times [2024-11-19 06:51:10,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:10,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352820438] [2024-11-19 06:51:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:10,126 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 [2024-11-19 06:51:10,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:10,129 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) [2024-11-19 06:51:10,130 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 [2024-11-19 06:51:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:10,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 06:51:10,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:10,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:10,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352820438] [2024-11-19 06:51:10,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352820438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:10,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:10,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:51:10,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376265364] [2024-11-19 06:51:10,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:10,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:51:10,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:10,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:51:10,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:51:10,339 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:10,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:10,403 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-19 06:51:10,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:51:10,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-19 06:51:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:10,405 INFO L225 Difference]: With dead ends: 29 [2024-11-19 06:51:10,405 INFO L226 Difference]: Without dead ends: 29 [2024-11-19 06:51:10,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:51:10,406 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 18 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:10,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 41 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:51:10,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-19 06:51:10,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-11-19 06:51:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:51:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-19 06:51:10,411 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 12 [2024-11-19 06:51:10,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:10,412 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-19 06:51:10,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-19 06:51:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 06:51:10,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:10,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:10,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 06:51:10,613 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 [2024-11-19 06:51:10,614 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:10,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash 770114257, now seen corresponding path program 1 times [2024-11-19 06:51:10,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:10,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919397591] [2024-11-19 06:51:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:10,616 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 [2024-11-19 06:51:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:10,618 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) [2024-11-19 06:51:10,619 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 [2024-11-19 06:51:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:10,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 06:51:10,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:10,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:10,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:10,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919397591] [2024-11-19 06:51:10,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919397591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:10,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:10,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:51:10,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59724809] [2024-11-19 06:51:10,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:10,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:51:10,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:10,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:51:10,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:51:10,750 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:10,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:10,827 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-19 06:51:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:51:10,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-19 06:51:10,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:10,829 INFO L225 Difference]: With dead ends: 24 [2024-11-19 06:51:10,830 INFO L226 Difference]: Without dead ends: 24 [2024-11-19 06:51:10,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:51:10,832 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:10,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 56 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:51:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-19 06:51:10,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-19 06:51:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:51:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2024-11-19 06:51:10,841 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2024-11-19 06:51:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:10,842 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2024-11-19 06:51:10,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2024-11-19 06:51:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 06:51:10,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:10,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:10,849 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 [2024-11-19 06:51:11,043 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 [2024-11-19 06:51:11,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:11,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash -88807295, now seen corresponding path program 1 times [2024-11-19 06:51:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:11,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67968104] [2024-11-19 06:51:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:11,046 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 [2024-11-19 06:51:11,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:11,047 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) [2024-11-19 06:51:11,048 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 [2024-11-19 06:51:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:11,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 06:51:11,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:11,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-19 06:51:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:11,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:11,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67968104] [2024-11-19 06:51:11,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67968104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:11,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:11,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:51:11,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654023142] [2024-11-19 06:51:11,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:11,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:51:11,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:11,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:51:11,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:51:11,168 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:11,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:11,207 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-19 06:51:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:51:11,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-19 06:51:11,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:11,209 INFO L225 Difference]: With dead ends: 22 [2024-11-19 06:51:11,209 INFO L226 Difference]: Without dead ends: 22 [2024-11-19 06:51:11,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:51:11,210 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:11,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:51:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-19 06:51:11,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-19 06:51:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:51:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-19 06:51:11,218 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 13 [2024-11-19 06:51:11,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:11,218 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-19 06:51:11,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-19 06:51:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 06:51:11,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:11,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:11,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-19 06:51:11,422 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 [2024-11-19 06:51:11,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:11,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:11,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1896015485, now seen corresponding path program 1 times [2024-11-19 06:51:11,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:11,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728978467] [2024-11-19 06:51:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:11,423 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 [2024-11-19 06:51:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:11,425 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) [2024-11-19 06:51:11,426 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 [2024-11-19 06:51:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:11,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:51:11,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:11,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:11,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:11,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728978467] [2024-11-19 06:51:11,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728978467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:11,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:11,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:51:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450801487] [2024-11-19 06:51:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:11,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:51:11,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:51:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:51:11,500 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:11,528 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2024-11-19 06:51:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:51:11,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-19 06:51:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:11,531 INFO L225 Difference]: With dead ends: 25 [2024-11-19 06:51:11,532 INFO L226 Difference]: Without dead ends: 17 [2024-11-19 06:51:11,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:51:11,533 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:11,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:51:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-19 06:51:11,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-19 06:51:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2024-11-19 06:51:11,540 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2024-11-19 06:51:11,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:11,540 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2024-11-19 06:51:11,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2024-11-19 06:51:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 06:51:11,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:51:11,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:51:11,553 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 [2024-11-19 06:51:11,750 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 [2024-11-19 06:51:11,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-19 06:51:11,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:51:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash 41783673, now seen corresponding path program 1 times [2024-11-19 06:51:11,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:51:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806897978] [2024-11-19 06:51:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:51:11,752 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 [2024-11-19 06:51:11,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:51:11,753 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) [2024-11-19 06:51:11,754 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 [2024-11-19 06:51:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:51:11,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 06:51:11,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:51:11,927 WARN L873 $PredicateComparison]: unable to prove that (exists ((~a8~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| ~a8~0.base)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| ~a8~0.base (_ bv0 1))))) is different from true [2024-11-19 06:51:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:51:11,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:51:11,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:51:11,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806897978] [2024-11-19 06:51:11,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806897978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:51:11,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:51:11,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 06:51:11,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706908073] [2024-11-19 06:51:11,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:51:11,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 06:51:11,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:51:11,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 06:51:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=32, Unknown=1, NotChecked=10, Total=56 [2024-11-19 06:51:11,957 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 8 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:51:12,066 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2024-11-19 06:51:12,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 06:51:12,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-19 06:51:12,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:51:12,066 INFO L225 Difference]: With dead ends: 16 [2024-11-19 06:51:12,067 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 06:51:12,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=54, Unknown=1, NotChecked=14, Total=90 [2024-11-19 06:51:12,068 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:51:12,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 12 Unchecked, 0.1s Time] [2024-11-19 06:51:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 06:51:12,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 06:51:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-19 06:51:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 06:51:12,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2024-11-19 06:51:12,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:51:12,072 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 06:51:12,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 06:51:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 06:51:12,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 06:51:12,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2024-11-19 06:51:12,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2024-11-19 06:51:12,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2024-11-19 06:51:12,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-19 06:51:12,081 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 (7)] Ended with exit code 0 [2024-11-19 06:51:12,281 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 [2024-11-19 06:51:12,285 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 06:51:12,287 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 06:51:12,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:51:12 BoogieIcfgContainer [2024-11-19 06:51:12,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 06:51:12,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 06:51:12,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 06:51:12,294 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 06:51:12,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:51:09" (3/4) ... [2024-11-19 06:51:12,299 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 06:51:12,306 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-19 06:51:12,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 06:51:12,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 06:51:12,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 06:51:12,389 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 06:51:12,392 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 06:51:12,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 06:51:12,393 INFO L158 Benchmark]: Toolchain (without parser) took 4239.76ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 36.4MB in the end (delta: 4.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,393 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:51:12,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.06ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 31.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.69ms. Allocated memory is still 75.5MB. Free memory was 31.4MB in the beginning and 29.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,394 INFO L158 Benchmark]: Boogie Preprocessor took 63.02ms. Allocated memory is still 75.5MB. Free memory was 29.0MB in the beginning and 52.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,394 INFO L158 Benchmark]: RCFGBuilder took 385.76ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 41.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,394 INFO L158 Benchmark]: TraceAbstraction took 2864.78ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 40.6MB in the end (delta: -234.7kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,394 INFO L158 Benchmark]: Witness Printer took 98.94ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 36.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 06:51:12,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.06ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 31.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.69ms. Allocated memory is still 75.5MB. Free memory was 31.4MB in the beginning and 29.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.02ms. Allocated memory is still 75.5MB. Free memory was 29.0MB in the beginning and 52.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 385.76ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 41.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2864.78ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 40.6MB in the end (delta: -234.7kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 98.94ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 36.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 96 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=2, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 71 ConstructedInterpolants, 3 QuantifiedInterpolants, 386 SizeOfPredicates, 1 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 06:51:12,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE