./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:44:13,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:44:14,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-24 15:44:14,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:44:14,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:44:14,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:44:14,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:44:14,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:44:14,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 15:44:14,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 15:44:14,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:44:14,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:44:14,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:44:14,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:44:14,120 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:44:14,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:44:14,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:44:14,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:44:14,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:44:14,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:44:14,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:44:14,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:44:14,127 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 15:44:14,127 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 15:44:14,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:44:14,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:44:14,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 15:44:14,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:44:14,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:44:14,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:44:14,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:44:14,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:44:14,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:44:14,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:44:14,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 15:44:14,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:44:14,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:44:14,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:44:14,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:44:14,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:44:14,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:44:14,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:44:14,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:44:14,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:44:14,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:44:14,137 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2024-10-24 15:44:14,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:44:14,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:44:14,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:44:14,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:44:14,411 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:44:14,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2024-10-24 15:44:15,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:44:16,167 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:44:16,169 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2024-10-24 15:44:16,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b902ad8c8/6e0cbfd023684858a433297b7e18132f/FLAG2de621e02 [2024-10-24 15:44:16,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b902ad8c8/6e0cbfd023684858a433297b7e18132f [2024-10-24 15:44:16,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:44:16,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:44:16,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:44:16,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:44:16,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:44:16,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:44:16" (1/1) ... [2024-10-24 15:44:16,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d414a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:16, skipping insertion in model container [2024-10-24 15:44:16,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:44:16" (1/1) ... [2024-10-24 15:44:16,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:44:16,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:44:16,774 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-10-24 15:44:16,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22a4a862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:16, skipping insertion in model container [2024-10-24 15:44:16,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:44:16,775 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 15:44:16,777 INFO L158 Benchmark]: Toolchain (without parser) took 565.02ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 139.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 15:44:16,777 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:44:16,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.11ms. Allocated memory is still 190.8MB. Free memory was 158.4MB in the beginning and 139.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 15:44:16,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.11ms. Allocated memory is still 190.8MB. Free memory was 158.4MB in the beginning and 139.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 751]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:44:18,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:44:18,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-24 15:44:18,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:44:18,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:44:18,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:44:18,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:44:18,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:44:18,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 15:44:18,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 15:44:18,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:44:18,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:44:18,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:44:18,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:44:18,897 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:44:18,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:44:18,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:44:18,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:44:18,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:44:18,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:44:18,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:44:18,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:44:18,899 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 15:44:18,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 15:44:18,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:44:18,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:44:18,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 15:44:18,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 15:44:18,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:44:18,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 15:44:18,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:44:18,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:44:18,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:44:18,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:44:18,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:44:18,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:44:18,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 15:44:18,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:44:18,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:44:18,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:44:18,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:44:18,916 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 15:44:18,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 15:44:18,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:44:18,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:44:18,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:44:18,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:44:18,918 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 15:44:18,918 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2024-10-24 15:44:19,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:44:19,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:44:19,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:44:19,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:44:19,274 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:44:19,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2024-10-24 15:44:20,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:44:21,210 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:44:21,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2024-10-24 15:44:21,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33dbaada8/23e472c35c6c46259ee2a96df326faae/FLAGdf464294b [2024-10-24 15:44:21,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33dbaada8/23e472c35c6c46259ee2a96df326faae [2024-10-24 15:44:21,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:44:21,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:44:21,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:44:21,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:44:21,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:44:21,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:44:21" (1/1) ... [2024-10-24 15:44:21,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:21, skipping insertion in model container [2024-10-24 15:44:21,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:44:21" (1/1) ... [2024-10-24 15:44:21,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:44:21,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:44:21,852 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 15:44:21,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:44:21,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:44:21,940 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:44:22,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:44:22,082 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:44:22,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22 WrapperNode [2024-10-24 15:44:22,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:44:22,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:44:22,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:44:22,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:44:22,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,165 INFO L138 Inliner]: procedures = 179, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 792 [2024-10-24 15:44:22,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:44:22,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:44:22,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:44:22,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:44:22,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,288 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-10-24 15:44:22,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:44:22,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:44:22,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:44:22,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:44:22,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (1/1) ... [2024-10-24 15:44:22,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:44:22,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:44:22,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:44:22,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:44:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-24 15:44:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-24 15:44:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 15:44:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 15:44:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 15:44:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 15:44:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 15:44:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 15:44:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 15:44:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 15:44:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:44:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:44:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 15:44:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 15:44:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 15:44:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 15:44:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:44:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:44:22,691 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:44:22,693 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:44:29,593 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-10-24 15:44:29,593 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:44:29,633 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:44:29,633 INFO L314 CfgBuilder]: Removed 40 assume(true) statements. [2024-10-24 15:44:29,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:44:29 BoogieIcfgContainer [2024-10-24 15:44:29,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:44:29,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:44:29,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:44:29,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:44:29,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:44:21" (1/3) ... [2024-10-24 15:44:29,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387457eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:44:29, skipping insertion in model container [2024-10-24 15:44:29,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:44:22" (2/3) ... [2024-10-24 15:44:29,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387457eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:44:29, skipping insertion in model container [2024-10-24 15:44:29,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:44:29" (3/3) ... [2024-10-24 15:44:29,646 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2024-10-24 15:44:29,662 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:44:29,663 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 15:44:29,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:44:29,715 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;@3c78e046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:44:29,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 15:44:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 152 states have internal predecessors, (235), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 15:44:29,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:29,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:29,728 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:29,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -572905081, now seen corresponding path program 1 times [2024-10-24 15:44:29,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:29,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561003417] [2024-10-24 15:44:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:29,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:29,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:29,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:29,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 15:44:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:29,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 15:44:29,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:29,901 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:29,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561003417] [2024-10-24 15:44:29,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561003417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:29,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:29,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:44:29,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186213266] [2024-10-24 15:44:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:29,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:44:29,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:44:29,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:44:29,936 INFO L87 Difference]: Start difference. First operand has 158 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 152 states have internal predecessors, (235), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:29,979 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2024-10-24 15:44:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:44:29,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 15:44:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:29,991 INFO L225 Difference]: With dead ends: 157 [2024-10-24 15:44:29,991 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 15:44:29,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:44:29,996 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:29,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 15:44:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 15:44:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-10-24 15:44:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 139 states have (on average 1.3453237410071943) internal successors, (187), 150 states have internal predecessors, (187), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 213 transitions. [2024-10-24 15:44:30,084 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 213 transitions. Word has length 10 [2024-10-24 15:44:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:30,085 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 213 transitions. [2024-10-24 15:44:30,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2024-10-24 15:44:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 15:44:30,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:30,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:30,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 15:44:30,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:30,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:30,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash 210523163, now seen corresponding path program 1 times [2024-10-24 15:44:30,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:30,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021315352] [2024-10-24 15:44:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:30,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:30,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:30,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:30,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 15:44:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:30,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 15:44:30,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:30,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:30,460 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:30,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021315352] [2024-10-24 15:44:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021315352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:30,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:44:30,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121107609] [2024-10-24 15:44:30,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:30,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:44:30,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:44:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:44:30,464 INFO L87 Difference]: Start difference. First operand 156 states and 213 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:30,685 INFO L93 Difference]: Finished difference Result 245 states and 328 transitions. [2024-10-24 15:44:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:44:30,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 15:44:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:30,688 INFO L225 Difference]: With dead ends: 245 [2024-10-24 15:44:30,688 INFO L226 Difference]: Without dead ends: 245 [2024-10-24 15:44:30,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:44:30,690 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 108 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:30,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 438 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 15:44:30,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-10-24 15:44:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 157. [2024-10-24 15:44:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 151 states have internal predecessors, (188), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 214 transitions. [2024-10-24 15:44:30,710 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 214 transitions. Word has length 10 [2024-10-24 15:44:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:30,711 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 214 transitions. [2024-10-24 15:44:30,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2024-10-24 15:44:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 15:44:30,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:30,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:30,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 15:44:30,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:30,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:30,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:30,915 INFO L85 PathProgramCache]: Analyzing trace with hash -872910680, now seen corresponding path program 1 times [2024-10-24 15:44:30,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:30,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419131379] [2024-10-24 15:44:30,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:30,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:30,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:30,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:30,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 15:44:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:31,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:44:31,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:31,326 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:31,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:31,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419131379] [2024-10-24 15:44:31,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419131379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:31,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:31,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:44:31,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379308423] [2024-10-24 15:44:31,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:31,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:44:31,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:31,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:44:31,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:44:31,334 INFO L87 Difference]: Start difference. First operand 157 states and 214 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:31,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:31,501 INFO L93 Difference]: Finished difference Result 160 states and 209 transitions. [2024-10-24 15:44:31,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:44:31,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-24 15:44:31,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:31,504 INFO L225 Difference]: With dead ends: 160 [2024-10-24 15:44:31,504 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 15:44:31,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:44:31,505 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 30 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:31,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 520 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 15:44:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 15:44:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-10-24 15:44:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 154 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2024-10-24 15:44:31,516 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 65 [2024-10-24 15:44:31,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:31,517 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2024-10-24 15:44:31,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2024-10-24 15:44:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 15:44:31,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:31,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:31,527 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 (4)] Forceful destruction successful, exit code 0 [2024-10-24 15:44:31,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:31,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash -894797284, now seen corresponding path program 1 times [2024-10-24 15:44:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:31,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051091247] [2024-10-24 15:44:31,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:31,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:31,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:31,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:31,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-24 15:44:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:32,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 15:44:32,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:32,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:32,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:32,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051091247] [2024-10-24 15:44:32,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051091247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:32,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:32,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:44:32,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421539038] [2024-10-24 15:44:32,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:32,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 15:44:32,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:32,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 15:44:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:44:32,170 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:32,277 INFO L93 Difference]: Finished difference Result 154 states and 199 transitions. [2024-10-24 15:44:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:44:32,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-24 15:44:32,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:32,279 INFO L225 Difference]: With dead ends: 154 [2024-10-24 15:44:32,279 INFO L226 Difference]: Without dead ends: 154 [2024-10-24 15:44:32,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:44:32,281 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:32,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 15:44:32,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-24 15:44:32,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-24 15:44:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 148 states have internal predecessors, (173), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2024-10-24 15:44:32,290 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 65 [2024-10-24 15:44:32,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:32,290 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2024-10-24 15:44:32,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2024-10-24 15:44:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 15:44:32,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:32,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:32,302 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 [2024-10-24 15:44:32,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:32,493 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:32,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash -500430498, now seen corresponding path program 1 times [2024-10-24 15:44:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856405035] [2024-10-24 15:44:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:32,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:32,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:32,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-24 15:44:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:32,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:44:32,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:33,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:33,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:33,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856405035] [2024-10-24 15:44:33,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856405035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:33,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:33,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:44:33,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196468308] [2024-10-24 15:44:33,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:33,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:44:33,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:33,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:44:33,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:44:33,158 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:33,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:33,785 INFO L93 Difference]: Finished difference Result 220 states and 274 transitions. [2024-10-24 15:44:33,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:44:33,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-24 15:44:33,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:33,793 INFO L225 Difference]: With dead ends: 220 [2024-10-24 15:44:33,793 INFO L226 Difference]: Without dead ends: 220 [2024-10-24 15:44:33,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:44:33,795 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 37 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:33,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 392 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 15:44:33,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-24 15:44:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 190. [2024-10-24 15:44:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 173 states have (on average 1.2080924855491328) internal successors, (209), 184 states have internal predecessors, (209), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 15:44:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 235 transitions. [2024-10-24 15:44:33,815 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 235 transitions. Word has length 65 [2024-10-24 15:44:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:33,816 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 235 transitions. [2024-10-24 15:44:33,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:44:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 235 transitions. [2024-10-24 15:44:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 15:44:33,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:33,818 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:33,827 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 (6)] Forceful destruction successful, exit code 0 [2024-10-24 15:44:34,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:34,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:34,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash -204105835, now seen corresponding path program 1 times [2024-10-24 15:44:34,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:34,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194384871] [2024-10-24 15:44:34,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:34,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:34,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:34,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:34,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-24 15:44:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:34,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:44:34,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:44:34,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:44:34,504 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:34,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194384871] [2024-10-24 15:44:34,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194384871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:44:34,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:44:34,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:44:34,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317927985] [2024-10-24 15:44:34,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:44:34,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:44:34,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:34,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:44:34,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:44:34,511 INFO L87 Difference]: Start difference. First operand 190 states and 235 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 15:44:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:34,584 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2024-10-24 15:44:34,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 15:44:34,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-10-24 15:44:34,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:34,587 INFO L225 Difference]: With dead ends: 192 [2024-10-24 15:44:34,588 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 15:44:34,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:44:34,590 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 0 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:34,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 15:44:34,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 15:44:34,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-10-24 15:44:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 174 states have (on average 1.2126436781609196) internal successors, (211), 186 states have internal predecessors, (211), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-24 15:44:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2024-10-24 15:44:34,607 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 78 [2024-10-24 15:44:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:34,608 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2024-10-24 15:44:34,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 15:44:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2024-10-24 15:44:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 15:44:34,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:34,610 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:34,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-10-24 15:44:34,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:34,811 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:34,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:34,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1795748105, now seen corresponding path program 1 times [2024-10-24 15:44:34,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:34,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004399278] [2024-10-24 15:44:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:34,814 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:34,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-24 15:44:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:35,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:44:35,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 15:44:35,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:44:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 15:44:35,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:35,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004399278] [2024-10-24 15:44:35,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004399278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:44:35,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:44:35,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 15:44:35,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892023502] [2024-10-24 15:44:35,452 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:44:35,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:44:35,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:44:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:44:35,457 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:35,672 INFO L93 Difference]: Finished difference Result 201 states and 252 transitions. [2024-10-24 15:44:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 15:44:35,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 80 [2024-10-24 15:44:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:35,677 INFO L225 Difference]: With dead ends: 201 [2024-10-24 15:44:35,677 INFO L226 Difference]: Without dead ends: 201 [2024-10-24 15:44:35,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-24 15:44:35,678 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 5 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:35,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 572 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 15:44:35,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-24 15:44:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2024-10-24 15:44:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 181 states have (on average 1.2375690607734806) internal successors, (224), 193 states have internal predecessors, (224), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-24 15:44:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 251 transitions. [2024-10-24 15:44:35,687 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 251 transitions. Word has length 80 [2024-10-24 15:44:35,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:35,687 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 251 transitions. [2024-10-24 15:44:35,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 251 transitions. [2024-10-24 15:44:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 15:44:35,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:35,690 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:35,700 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 [2024-10-24 15:44:35,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:35,891 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:35,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:35,891 INFO L85 PathProgramCache]: Analyzing trace with hash -651462187, now seen corresponding path program 2 times [2024-10-24 15:44:35,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539672930] [2024-10-24 15:44:35,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:44:35,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:35,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:35,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-24 15:44:36,300 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 15:44:36,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:44:36,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 15:44:36,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 15:44:36,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:44:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 15:44:36,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:36,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539672930] [2024-10-24 15:44:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539672930] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:44:36,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:44:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-24 15:44:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084876327] [2024-10-24 15:44:36,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:44:36,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 15:44:36,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:36,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 15:44:36,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-24 15:44:36,658 INFO L87 Difference]: Start difference. First operand 200 states and 251 transitions. Second operand has 14 states, 12 states have (on average 7.25) internal successors, (87), 14 states have internal predecessors, (87), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:37,363 INFO L93 Difference]: Finished difference Result 212 states and 270 transitions. [2024-10-24 15:44:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:44:37,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.25) internal successors, (87), 14 states have internal predecessors, (87), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-10-24 15:44:37,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:37,366 INFO L225 Difference]: With dead ends: 212 [2024-10-24 15:44:37,366 INFO L226 Difference]: Without dead ends: 210 [2024-10-24 15:44:37,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-24 15:44:37,367 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 8 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:37,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1140 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 15:44:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-10-24 15:44:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 209. [2024-10-24 15:44:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 190 states have (on average 1.2421052631578948) internal successors, (236), 202 states have internal predecessors, (236), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-24 15:44:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 263 transitions. [2024-10-24 15:44:37,374 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 263 transitions. Word has length 84 [2024-10-24 15:44:37,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:37,374 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 263 transitions. [2024-10-24 15:44:37,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.25) internal successors, (87), 14 states have internal predecessors, (87), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 263 transitions. [2024-10-24 15:44:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 15:44:37,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:37,377 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:37,394 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 [2024-10-24 15:44:37,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:37,578 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:37,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1817050361, now seen corresponding path program 3 times [2024-10-24 15:44:37,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:37,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606154265] [2024-10-24 15:44:37,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 15:44:37,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:37,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:37,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-10-24 15:44:37,951 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 15:44:37,951 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:44:37,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:44:37,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-24 15:44:38,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:44:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-24 15:44:38,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:38,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606154265] [2024-10-24 15:44:38,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606154265] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:44:38,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:44:38,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-10-24 15:44:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120687274] [2024-10-24 15:44:38,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:44:38,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:44:38,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:44:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:44:38,498 INFO L87 Difference]: Start difference. First operand 209 states and 263 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:38,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:38,888 INFO L93 Difference]: Finished difference Result 429 states and 527 transitions. [2024-10-24 15:44:38,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:44:38,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 93 [2024-10-24 15:44:38,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:38,891 INFO L225 Difference]: With dead ends: 429 [2024-10-24 15:44:38,891 INFO L226 Difference]: Without dead ends: 429 [2024-10-24 15:44:38,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 15:44:38,891 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 324 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:38,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 994 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 15:44:38,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-24 15:44:38,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-10-24 15:44:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 401 states have (on average 1.1945137157107233) internal successors, (479), 413 states have internal predecessors, (479), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-24 15:44:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 527 transitions. [2024-10-24 15:44:38,902 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 527 transitions. Word has length 93 [2024-10-24 15:44:38,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:38,903 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 527 transitions. [2024-10-24 15:44:38,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 527 transitions. [2024-10-24 15:44:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-24 15:44:38,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:38,906 INFO L215 NwaCegarLoop]: trace histogram [15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:38,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-10-24 15:44:39,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:39,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:39,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash 35125586, now seen corresponding path program 1 times [2024-10-24 15:44:39,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:39,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779814145] [2024-10-24 15:44:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:44:39,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:39,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:39,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:39,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-10-24 15:44:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:44:40,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 15:44:40,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 180 proven. 55 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 15:44:40,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:44:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 112 proven. 122 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-24 15:44:41,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:41,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779814145] [2024-10-24 15:44:41,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779814145] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:44:41,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:44:41,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-24 15:44:41,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809031453] [2024-10-24 15:44:41,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:44:41,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 15:44:41,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:41,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 15:44:41,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-24 15:44:41,377 INFO L87 Difference]: Start difference. First operand 429 states and 527 transitions. Second operand has 26 states, 24 states have (on average 5.75) internal successors, (138), 26 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:43,276 INFO L93 Difference]: Finished difference Result 450 states and 567 transitions. [2024-10-24 15:44:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-24 15:44:43,280 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 5.75) internal successors, (138), 26 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 258 [2024-10-24 15:44:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:43,282 INFO L225 Difference]: With dead ends: 450 [2024-10-24 15:44:43,283 INFO L226 Difference]: Without dead ends: 448 [2024-10-24 15:44:43,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 15:44:43,284 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 13 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:43,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2461 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 15:44:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-24 15:44:43,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 447. [2024-10-24 15:44:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 419 states have (on average 1.2004773269689737) internal successors, (503), 431 states have internal predecessors, (503), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-24 15:44:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 551 transitions. [2024-10-24 15:44:43,298 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 551 transitions. Word has length 258 [2024-10-24 15:44:43,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:43,299 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 551 transitions. [2024-10-24 15:44:43,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 5.75) internal successors, (138), 26 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 551 transitions. [2024-10-24 15:44:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-10-24 15:44:43,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:43,305 INFO L215 NwaCegarLoop]: trace histogram [33, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:43,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-10-24 15:44:43,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:43,506 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:43,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:43,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1728118766, now seen corresponding path program 2 times [2024-10-24 15:44:43,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:43,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736407381] [2024-10-24 15:44:43,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:44:43,508 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:43,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:43,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:43,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-10-24 15:44:44,671 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 15:44:44,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:44:44,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-24 15:44:44,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:44:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 390 proven. 253 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-10-24 15:44:45,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:44:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 112 proven. 530 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-24 15:44:47,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:44:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736407381] [2024-10-24 15:44:47,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736407381] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:44:47,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:44:47,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-24 15:44:47,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579008931] [2024-10-24 15:44:47,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:44:47,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 15:44:47,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:44:47,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 15:44:47,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 15:44:47,579 INFO L87 Difference]: Start difference. First operand 447 states and 551 transitions. Second operand has 50 states, 48 states have (on average 3.375) internal successors, (162), 50 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:53,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:44:53,278 INFO L93 Difference]: Finished difference Result 484 states and 623 transitions. [2024-10-24 15:44:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-24 15:44:53,279 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 3.375) internal successors, (162), 50 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 276 [2024-10-24 15:44:53,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:44:53,281 INFO L225 Difference]: With dead ends: 484 [2024-10-24 15:44:53,281 INFO L226 Difference]: Without dead ends: 482 [2024-10-24 15:44:53,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-10-24 15:44:53,285 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 25 mSDsluCounter, 5477 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 5669 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 15:44:53,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 5669 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 15:44:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-10-24 15:44:53,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 481. [2024-10-24 15:44:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 453 states have (on average 1.2119205298013245) internal successors, (549), 465 states have internal predecessors, (549), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-24 15:44:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 597 transitions. [2024-10-24 15:44:53,298 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 597 transitions. Word has length 276 [2024-10-24 15:44:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:44:53,298 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 597 transitions. [2024-10-24 15:44:53,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 3.375) internal successors, (162), 50 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:44:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 597 transitions. [2024-10-24 15:44:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-10-24 15:44:53,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:44:53,303 INFO L215 NwaCegarLoop]: trace histogram [67, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:44:53,336 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 (12)] Forceful destruction successful, exit code 0 [2024-10-24 15:44:53,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:53,504 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:44:53,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:44:53,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1234848658, now seen corresponding path program 3 times [2024-10-24 15:44:53,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:44:53,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502921658] [2024-10-24 15:44:53,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 15:44:53,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:44:53,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:44:53,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:44:53,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process