./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8be7027f 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_test16.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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 13:28:07,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 13:28:07,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-12 13:28:07,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 13:28:07,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 13:28:07,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 13:28:07,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 13:28:07,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 13:28:07,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 13:28:07,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 13:28:07,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 13:28:07,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 13:28:07,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 13:28:07,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 13:28:07,568 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 13:28:07,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 13:28:07,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 13:28:07,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 13:28:07,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 13:28:07,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 13:28:07,570 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 13:28:07,574 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 13:28:07,574 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 13:28:07,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 13:28:07,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 13:28:07,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 13:28:07,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 13:28:07,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 13:28:07,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 13:28:07,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 13:28:07,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 13:28:07,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 13:28:07,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 13:28:07,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:28:07,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 13:28:07,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 13:28:07,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 13:28:07,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 13:28:07,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 13:28:07,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 13:28:07,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 13:28:07,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 13:28:07,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2024-11-12 13:28:07,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 13:28:07,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 13:28:07,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 13:28:07,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 13:28:07,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 13:28:07,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-12 13:28:09,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 13:28:09,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 13:28:09,661 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-12 13:28:09,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb6ff5f83/0b6b16622b854ddbad3f2c9373e46e43/FLAGf2c009928 [2024-11-12 13:28:09,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb6ff5f83/0b6b16622b854ddbad3f2c9373e46e43 [2024-11-12 13:28:09,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 13:28:09,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 13:28:09,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 13:28:09,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 13:28:09,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 13:28:09,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:09" (1/1) ... [2024-11-12 13:28:09,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834457d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:09, skipping insertion in model container [2024-11-12 13:28:09,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:09" (1/1) ... [2024-11-12 13:28:09,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:28:10,103 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:10,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:10,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:28:10,196 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) [2024-11-12 13:28:10,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@667efa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:10, skipping insertion in model container [2024-11-12 13:28:10,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 13:28:10,197 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-12 13:28:10,198 INFO L158 Benchmark]: Toolchain (without parser) took 499.39ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 76.8MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 13:28:10,198 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 13:28:10,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.11ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 13:28:10,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.11ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. 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_test16.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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 13:28:12,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 13:28:12,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-12 13:28:12,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 13:28:12,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 13:28:12,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 13:28:12,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 13:28:12,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 13:28:12,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 13:28:12,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 13:28:12,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 13:28:12,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 13:28:12,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 13:28:12,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 13:28:12,316 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 13:28:12,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 13:28:12,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 13:28:12,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 13:28:12,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 13:28:12,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 13:28:12,317 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 13:28:12,318 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 13:28:12,318 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 13:28:12,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 13:28:12,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 13:28:12,319 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 13:28:12,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 13:28:12,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 13:28:12,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 13:28:12,320 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 13:28:12,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 13:28:12,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 13:28:12,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 13:28:12,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 13:28:12,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 13:28:12,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:28:12,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 13:28:12,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 13:28:12,323 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 13:28:12,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 13:28:12,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 13:28:12,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 13:28:12,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 13:28:12,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 13:28:12,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2024-11-12 13:28:12,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 13:28:12,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 13:28:12,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 13:28:12,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 13:28:12,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 13:28:12,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-12 13:28:14,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 13:28:14,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 13:28:14,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-12 13:28:14,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f55e0355/fb0b3730195f4cad97263fd6eeba84d5/FLAG7bfb4e468 [2024-11-12 13:28:14,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f55e0355/fb0b3730195f4cad97263fd6eeba84d5 [2024-11-12 13:28:14,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 13:28:14,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 13:28:14,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 13:28:14,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 13:28:14,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 13:28:14,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:14" (1/1) ... [2024-11-12 13:28:14,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cba093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:14, skipping insertion in model container [2024-11-12 13:28:14,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:14" (1/1) ... [2024-11-12 13:28:14,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:28:15,113 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:15,176 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:15,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:28:15,203 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-12 13:28:15,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:28:15,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:15,266 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:28:15,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:28:15,279 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 13:28:15,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:28:15,422 INFO L204 MainTranslator]: Completed translation [2024-11-12 13:28:15,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15 WrapperNode [2024-11-12 13:28:15,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 13:28:15,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 13:28:15,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 13:28:15,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 13:28:15,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,487 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 34 [2024-11-12 13:28:15,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 13:28:15,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 13:28:15,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 13:28:15,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 13:28:15,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,521 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]. [2024-11-12 13:28:15,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 13:28:15,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 13:28:15,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 13:28:15,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 13:28:15,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (1/1) ... [2024-11-12 13:28:15,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:28:15,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 13:28:15,581 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) [2024-11-12 13:28:15,588 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 [2024-11-12 13:28:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 13:28:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 13:28:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 13:28:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 13:28:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 13:28:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 13:28:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 13:28:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 13:28:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 13:28:15,763 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 13:28:15,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 13:28:15,906 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 13:28:15,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 13:28:15,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 13:28:15,922 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 13:28:15,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:28:15 BoogieIcfgContainer [2024-11-12 13:28:15,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 13:28:15,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 13:28:15,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 13:28:15,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 13:28:15,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:28:14" (1/3) ... [2024-11-12 13:28:15,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5506114f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:28:15, skipping insertion in model container [2024-11-12 13:28:15,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:15" (2/3) ... [2024-11-12 13:28:15,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5506114f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:28:15, skipping insertion in model container [2024-11-12 13:28:15,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:28:15" (3/3) ... [2024-11-12 13:28:15,941 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2024-11-12 13:28:15,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 13:28:15,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 13:28:16,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 13:28:16,007 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;@74e35c66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 13:28:16,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 13:28:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 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) [2024-11-12 13:28:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 13:28:16,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:16,022 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 13:28:16,023 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)] === [2024-11-12 13:28:16,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:16,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130598, now seen corresponding path program 1 times [2024-11-12 13:28:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459658424] [2024-11-12 13:28:16,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:16,042 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 [2024-11-12 13:28:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:16,045 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) [2024-11-12 13:28:16,046 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 [2024-11-12 13:28:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:16,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 13:28:16,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:16,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:16,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:16,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459658424] [2024-11-12 13:28:16,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459658424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:16,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:16,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:16,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636416884] [2024-11-12 13:28:16,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:16,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 13:28:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:16,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 13:28:16,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:28:16,280 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 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, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-12 13:28:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:16,333 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-12 13:28:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:28:16,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 13:28:16,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:16,343 INFO L225 Difference]: With dead ends: 25 [2024-11-12 13:28:16,343 INFO L226 Difference]: Without dead ends: 23 [2024-11-12 13:28:16,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:28:16,351 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:16,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:16,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-12 13:28:16,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-12 13:28:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 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) [2024-11-12 13:28:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-11-12 13:28:16,384 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2024-11-12 13:28:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:16,384 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-11-12 13:28:16,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-12 13:28:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-12 13:28:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-12 13:28:16,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:16,386 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:16,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-12 13:28:16,589 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 [2024-11-12 13:28:16,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:16,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:16,590 INFO L85 PathProgramCache]: Analyzing trace with hash -984431063, now seen corresponding path program 1 times [2024-11-12 13:28:16,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:16,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781290082] [2024-11-12 13:28:16,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:16,591 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 [2024-11-12 13:28:16,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:16,596 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) [2024-11-12 13:28:16,597 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 [2024-11-12 13:28:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:16,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 13:28:16,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:16,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:16,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:16,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781290082] [2024-11-12 13:28:16,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781290082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:16,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:16,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 13:28:16,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864968354] [2024-11-12 13:28:16,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:16,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 13:28:16,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:16,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 13:28:16,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:28:16,709 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-12 13:28:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:16,727 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2024-11-12 13:28:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 13:28:16,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-12 13:28:16,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:16,728 INFO L225 Difference]: With dead ends: 26 [2024-11-12 13:28:16,728 INFO L226 Difference]: Without dead ends: 21 [2024-11-12 13:28:16,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:28:16,730 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:16,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-12 13:28:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-12 13:28:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-12 13:28:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-12 13:28:16,734 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 8 [2024-11-12 13:28:16,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:16,734 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-12 13:28:16,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-12 13:28:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-12 13:28:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 13:28:16,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:16,736 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:16,740 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 [2024-11-12 13:28:16,936 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 [2024-11-12 13:28:16,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:16,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1513552230, now seen corresponding path program 1 times [2024-11-12 13:28:16,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409819737] [2024-11-12 13:28:16,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:16,939 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 [2024-11-12 13:28:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:16,942 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) [2024-11-12 13:28:16,948 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 [2024-11-12 13:28:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:17,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 13:28:17,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:17,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:17,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:17,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409819737] [2024-11-12 13:28:17,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409819737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:17,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:17,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:17,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595560521] [2024-11-12 13:28:17,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:17,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 13:28:17,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:17,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 13:28:17,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:28:17,070 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-11-12 13:28:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:17,100 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-12 13:28:17,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 13:28:17,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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 [2024-11-12 13:28:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:17,103 INFO L225 Difference]: With dead ends: 21 [2024-11-12 13:28:17,103 INFO L226 Difference]: Without dead ends: 21 [2024-11-12 13:28:17,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:28:17,105 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:17,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 81 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-12 13:28:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-12 13:28:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) [2024-11-12 13:28:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-12 13:28:17,112 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 12 [2024-11-12 13:28:17,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:17,112 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-12 13:28:17,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-11-12 13:28:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-12 13:28:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 13:28:17,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:17,114 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:17,120 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 [2024-11-12 13:28:17,316 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 [2024-11-12 13:28:17,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:17,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash -324521072, now seen corresponding path program 1 times [2024-11-12 13:28:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:17,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183156312] [2024-11-12 13:28:17,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:17,319 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 [2024-11-12 13:28:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:17,322 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) [2024-11-12 13:28:17,323 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 [2024-11-12 13:28:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:17,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 13:28:17,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:17,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:17,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:17,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183156312] [2024-11-12 13:28:17,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183156312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:17,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:17,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:17,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695524538] [2024-11-12 13:28:17,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:17,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 13:28:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:17,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 13:28:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 13:28:17,505 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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) [2024-11-12 13:28:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:17,573 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-12 13:28:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 13:28:17,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 [2024-11-12 13:28:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:17,575 INFO L225 Difference]: With dead ends: 29 [2024-11-12 13:28:17,575 INFO L226 Difference]: Without dead ends: 29 [2024-11-12 13:28:17,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 13:28:17,577 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 20 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:17,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 54 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:28:17,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-12 13:28:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-11-12 13:28:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 23 states have internal predecessors, (26), 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) [2024-11-12 13:28:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-11-12 13:28:17,581 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 13 [2024-11-12 13:28:17,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:17,582 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-11-12 13:28:17,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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) [2024-11-12 13:28:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-12 13:28:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 13:28:17,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:17,583 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:17,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-12 13:28:17,783 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 [2024-11-12 13:28:17,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:17,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1418289263, now seen corresponding path program 1 times [2024-11-12 13:28:17,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:17,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832149349] [2024-11-12 13:28:17,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:17,785 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 [2024-11-12 13:28:17,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:17,788 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) [2024-11-12 13:28:17,789 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 [2024-11-12 13:28:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:17,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 13:28:17,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:17,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:17,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:17,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832149349] [2024-11-12 13:28:17,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832149349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:17,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:17,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:17,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889943877] [2024-11-12 13:28:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:17,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 13:28:17,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:17,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 13:28:17,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 13:28:17,929 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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) [2024-11-12 13:28:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:17,992 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-12 13:28:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 13:28:17,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 [2024-11-12 13:28:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:17,993 INFO L225 Difference]: With dead ends: 28 [2024-11-12 13:28:17,993 INFO L226 Difference]: Without dead ends: 28 [2024-11-12 13:28:17,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 13:28:17,995 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:17,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 88 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:28:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-12 13:28:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-11-12 13:28:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 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) [2024-11-12 13:28:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-11-12 13:28:17,999 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 13 [2024-11-12 13:28:17,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:17,999 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-11-12 13:28:17,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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) [2024-11-12 13:28:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-12 13:28:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 13:28:18,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:18,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:18,005 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 [2024-11-12 13:28:18,203 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 [2024-11-12 13:28:18,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:18,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:18,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1470218584, now seen corresponding path program 1 times [2024-11-12 13:28:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:18,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874651393] [2024-11-12 13:28:18,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:18,205 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 [2024-11-12 13:28:18,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:18,206 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) [2024-11-12 13:28:18,207 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 [2024-11-12 13:28:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:18,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 13:28:18,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:18,290 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 [2024-11-12 13:28:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:18,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:18,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:18,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874651393] [2024-11-12 13:28:18,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874651393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:18,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:18,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:18,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664513550] [2024-11-12 13:28:18,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:18,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 13:28:18,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:18,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 13:28:18,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:28:18,344 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-11-12 13:28:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:18,387 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2024-11-12 13:28:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 13:28:18,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2024-11-12 13:28:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:18,389 INFO L225 Difference]: With dead ends: 27 [2024-11-12 13:28:18,389 INFO L226 Difference]: Without dead ends: 27 [2024-11-12 13:28:18,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:28:18,390 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:18,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:18,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-12 13:28:18,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2024-11-12 13:28:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-12 13:28:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-12 13:28:18,397 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2024-11-12 13:28:18,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:18,398 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-12 13:28:18,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-11-12 13:28:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-12 13:28:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 13:28:18,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:18,400 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:18,404 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 [2024-11-12 13:28:18,603 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 [2024-11-12 13:28:18,603 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:18,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1469972311, now seen corresponding path program 1 times [2024-11-12 13:28:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:18,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298489631] [2024-11-12 13:28:18,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:18,604 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 [2024-11-12 13:28:18,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:18,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 13:28:18,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-12 13:28:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:18,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 13:28:18,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:18,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:18,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:18,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298489631] [2024-11-12 13:28:18,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298489631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:18,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:18,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:28:18,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660107163] [2024-11-12 13:28:18,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:18,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 13:28:18,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:18,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 13:28:18,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:28:18,689 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-11-12 13:28:18,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:18,706 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-11-12 13:28:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:28:18,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2024-11-12 13:28:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:18,708 INFO L225 Difference]: With dead ends: 18 [2024-11-12 13:28:18,708 INFO L226 Difference]: Without dead ends: 18 [2024-11-12 13:28:18,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:28:18,711 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:18,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-12 13:28:18,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-12 13:28:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-12 13:28:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-12 13:28:18,716 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2024-11-12 13:28:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:18,716 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-12 13:28:18,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-11-12 13:28:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-12 13:28:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 13:28:18,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:18,719 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:18,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-12 13:28:18,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 13:28:18,920 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:18,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash 794708311, now seen corresponding path program 1 times [2024-11-12 13:28:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:18,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223576210] [2024-11-12 13:28:18,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:18,922 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 [2024-11-12 13:28:18,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:18,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 13:28:18,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-12 13:28:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:18,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 13:28:18,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:19,160 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_free_16_~p#1.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_free_16_~p#1.base_8|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_free_16_~p#1.base_8| (_ bv0 1)) |c_#valid|))) is different from true [2024-11-12 13:28:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:19,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:19,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:19,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223576210] [2024-11-12 13:28:19,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223576210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:19,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:19,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 13:28:19,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112325605] [2024-11-12 13:28:19,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:19,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 13:28:19,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:19,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 13:28:19,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2024-11-12 13:28:19,180 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2024-11-12 13:28:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:19,306 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2024-11-12 13:28:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 13:28:19,307 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 17 [2024-11-12 13:28:19,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:19,308 INFO L225 Difference]: With dead ends: 29 [2024-11-12 13:28:19,308 INFO L226 Difference]: Without dead ends: 18 [2024-11-12 13:28:19,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=57, Unknown=1, NotChecked=14, Total=90 [2024-11-12 13:28:19,309 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:19,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 82 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 25 Unchecked, 0.1s Time] [2024-11-12 13:28:19,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-12 13:28:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-12 13:28:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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) [2024-11-12 13:28:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2024-11-12 13:28:19,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 17 [2024-11-12 13:28:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:19,312 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2024-11-12 13:28:19,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2024-11-12 13:28:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2024-11-12 13:28:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 13:28:19,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:28:19,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:19,320 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 (9)] Ended with exit code 0 [2024-11-12 13:28:19,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 13:28:19,513 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2024-11-12 13:28:19,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:28:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash 923791030, now seen corresponding path program 1 times [2024-11-12 13:28:19,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:28:19,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678164368] [2024-11-12 13:28:19,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:28:19,514 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 [2024-11-12 13:28:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:28:19,515 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 13:28:19,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-12 13:28:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:28:19,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 13:28:19,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:28:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:28:19,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:28:19,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:28:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678164368] [2024-11-12 13:28:19,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678164368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:28:19,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:28:19,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 13:28:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350011682] [2024-11-12 13:28:19,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:28:19,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 13:28:19,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:28:19,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 13:28:19,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 13:28:19,738 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-12 13:28:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:28:19,787 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2024-11-12 13:28:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 13:28:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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 17 [2024-11-12 13:28:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:28:19,788 INFO L225 Difference]: With dead ends: 17 [2024-11-12 13:28:19,788 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 13:28:19,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-12 13:28:19,789 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:28:19,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 37 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:28:19,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 13:28:19,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 13:28:19,790 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) [2024-11-12 13:28:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 13:28:19,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2024-11-12 13:28:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:28:19,791 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 13:28:19,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-12 13:28:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 13:28:19,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 13:28:19,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2024-11-12 13:28:19,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2024-11-12 13:28:19,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2024-11-12 13:28:19,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-12 13:28:19,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-12 13:28:19,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 13:28:20,000 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:28:20,002 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 13:28:20,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:28:20 BoogieIcfgContainer [2024-11-12 13:28:20,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 13:28:20,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 13:28:20,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 13:28:20,005 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 13:28:20,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:28:15" (3/4) ... [2024-11-12 13:28:20,008 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 13:28:20,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-12 13:28:20,015 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-12 13:28:20,015 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 13:28:20,015 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 13:28:20,094 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 13:28:20,094 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 13:28:20,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 13:28:20,095 INFO L158 Benchmark]: Toolchain (without parser) took 5414.15ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 46.0MB in the end (delta: 19.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,095 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 13:28:20,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.63ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 58.3MB in the end (delta: 6.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,096 INFO L158 Benchmark]: Boogie Preprocessor took 52.72ms. Allocated memory is still 90.2MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,096 INFO L158 Benchmark]: RCFGBuilder took 379.15ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 40.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,097 INFO L158 Benchmark]: TraceAbstraction took 4080.31ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 50.1MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 13:28:20,097 INFO L158 Benchmark]: Witness Printer took 89.82ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 46.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 13:28:20,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.63ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 58.3MB in the end (delta: 6.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.72ms. Allocated memory is still 90.2MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.15ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 40.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4080.31ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 50.1MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.82ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 46.0MB in the end (delta: 4.1MB). 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: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 777]: 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, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 404 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 158 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=4, InterpolantAutomatonStates: 57, 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, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 105 ConstructedInterpolants, 3 QuantifiedInterpolants, 582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2024-11-12 13:28:20,119 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