./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.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_SFH_test5-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 16:01:04,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:01:04,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-24 16:01:04,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:01:04,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:01:04,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:01:04,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:01:04,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:01:04,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:01:04,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:01:04,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:01:04,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:01:04,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:01:04,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:01:04,243 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:01:04,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:01:04,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 16:01:04,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:01:04,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:01:04,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 16:01:04,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:01:04,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:01:04,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:01:04,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:01:04,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:01:04,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:01:04,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:01:04,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:01:04,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 16:01:04,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 16:01:04,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:01:04,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:01:04,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:01:04,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:01:04,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2024-10-24 16:01:04,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:01:04,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:01:04,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:01:04,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:01:04,487 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:01:04,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-10-24 16:01:05,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:01:05,877 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:01:05,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-10-24 16:01:05,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c902208/9a68180d552d4fe5baf0c7a170da4707/FLAG0a2f236c8 [2024-10-24 16:01:06,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c902208/9a68180d552d4fe5baf0c7a170da4707 [2024-10-24 16:01:06,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:01:06,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:01:06,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:01:06,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:01:06,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:01:06,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:06" (1/1) ... [2024-10-24 16:01:06,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa75899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:06, skipping insertion in model container [2024-10-24 16:01:06,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:06" (1/1) ... [2024-10-24 16:01:06,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:01:06,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:01:06,744 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 16:01:06,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67ab8b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:06, skipping insertion in model container [2024-10-24 16:01:06,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:01:06,745 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 16:01:06,747 INFO L158 Benchmark]: Toolchain (without parser) took 527.90ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 86.8MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-24 16:01:06,747 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 16:01:06,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.67ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 86.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-24 16:01:06,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.67ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 86.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 737]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 16:01:08,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:01:08,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-24 16:01:08,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:01:08,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:01:08,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:01:08,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:01:08,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:01:08,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:01:08,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:01:08,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:01:08,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:01:08,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:01:08,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:01:08,403 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:01:08,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:01:08,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 16:01:08,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:01:08,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:01:08,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:01:08,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:01:08,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 16:01:08,405 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 16:01:08,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:01:08,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 16:01:08,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:01:08,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:01:08,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 16:01:08,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:01:08,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:01:08,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:01:08,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:01:08,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:01:08,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:01:08,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:01:08,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:01:08,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:01:08,410 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 16:01:08,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2024-10-24 16:01:08,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:01:08,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:01:08,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:01:08,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:01:08,687 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:01:08,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-10-24 16:01:09,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:01:10,170 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:01:10,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-10-24 16:01:10,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91215091b/7f3536d3075c41ac83618a947782e91d/FLAG96b3050a2 [2024-10-24 16:01:10,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91215091b/7f3536d3075c41ac83618a947782e91d [2024-10-24 16:01:10,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:01:10,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:01:10,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:01:10,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:01:10,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:01:10,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:10" (1/1) ... [2024-10-24 16:01:10,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7745245f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:10, skipping insertion in model container [2024-10-24 16:01:10,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:10" (1/1) ... [2024-10-24 16:01:10,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:01:10,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:01:11,000 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 16:01:11,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:01:11,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:01:11,108 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 16:01:11,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:01:11,227 INFO L204 MainTranslator]: Completed translation [2024-10-24 16:01:11,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11 WrapperNode [2024-10-24 16:01:11,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:01:11,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 16:01:11,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 16:01:11,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 16:01:11,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,345 INFO L138 Inliner]: procedures = 180, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1728 [2024-10-24 16:01:11,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 16:01:11,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 16:01:11,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 16:01:11,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 16:01:11,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,376 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,478 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [24, 2, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 99 writes are split as follows [1, 0, 98]. [2024-10-24 16:01:11,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 16:01:11,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 16:01:11,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 16:01:11,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 16:01:11,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (1/1) ... [2024-10-24 16:01:11,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:01:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 16:01:11,589 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 16:01:11,591 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 16:01:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 16:01:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 16:01:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 16:01:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 16:01:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 16:01:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 16:01:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 16:01:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 16:01:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 16:01:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 16:01:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 16:01:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-24 16:01:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 16:01:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 16:01:11,834 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 16:01:11,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 16:01:25,006 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-10-24 16:01:25,006 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 16:01:25,042 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 16:01:25,042 INFO L314 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-24 16:01:25,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:01:25 BoogieIcfgContainer [2024-10-24 16:01:25,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 16:01:25,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 16:01:25,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 16:01:25,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 16:01:25,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:01:10" (1/3) ... [2024-10-24 16:01:25,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfb9c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:01:25, skipping insertion in model container [2024-10-24 16:01:25,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:11" (2/3) ... [2024-10-24 16:01:25,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfb9c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:01:25, skipping insertion in model container [2024-10-24 16:01:25,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:01:25" (3/3) ... [2024-10-24 16:01:25,051 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-3.i [2024-10-24 16:01:25,063 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 16:01:25,063 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 16:01:25,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 16:01:25,106 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;@7ab289f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 16:01:25,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 16:01:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 318 states, 299 states have (on average 1.6822742474916388) internal successors, (503), 308 states have internal predecessors, (503), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 16:01:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 16:01:25,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:25,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:01:25,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:25,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:25,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1408030666, now seen corresponding path program 1 times [2024-10-24 16:01:25,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:25,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529624483] [2024-10-24 16:01:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:25,128 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 16:01:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:25,130 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 16:01:25,131 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 16:01:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:25,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 16:01:25,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:25,332 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 16:01:25,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:25,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:25,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529624483] [2024-10-24 16:01:25,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529624483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:25,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:25,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 16:01:25,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745686360] [2024-10-24 16:01:25,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:25,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 16:01:25,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 16:01:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 16:01:25,362 INFO L87 Difference]: Start difference. First operand has 318 states, 299 states have (on average 1.6822742474916388) internal successors, (503), 308 states have internal predecessors, (503), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 16:01:25,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:25,443 INFO L93 Difference]: Finished difference Result 316 states and 417 transitions. [2024-10-24 16:01:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 16:01:25,448 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 9 [2024-10-24 16:01:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:25,485 INFO L225 Difference]: With dead ends: 316 [2024-10-24 16:01:25,485 INFO L226 Difference]: Without dead ends: 315 [2024-10-24 16:01:25,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 16:01:25,489 INFO L432 NwaCegarLoop]: 412 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, 412 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 16:01:25,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 412 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 16:01:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-24 16:01:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-10-24 16:01:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 298 states have (on average 1.3154362416107384) internal successors, (392), 305 states have internal predecessors, (392), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 16:01:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 416 transitions. [2024-10-24 16:01:25,536 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 416 transitions. Word has length 9 [2024-10-24 16:01:25,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:25,536 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 416 transitions. [2024-10-24 16:01:25,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 16:01:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 416 transitions. [2024-10-24 16:01:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 16:01:25,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:25,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:01:25,540 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 16:01:25,739 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 16:01:25,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:25,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:25,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1581269798, now seen corresponding path program 1 times [2024-10-24 16:01:25,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:25,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579802505] [2024-10-24 16:01:25,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:25,741 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 16:01:25,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:25,746 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 16:01:25,747 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 16:01:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:25,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 16:01:25,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:25,983 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 16:01:25,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:25,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:25,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579802505] [2024-10-24 16:01:25,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579802505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:25,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:25,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 16:01:25,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429190947] [2024-10-24 16:01:25,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:25,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 16:01:25,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:25,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 16:01:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:01:25,986 INFO L87 Difference]: Start difference. First operand 315 states and 416 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:01:26,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:26,180 INFO L93 Difference]: Finished difference Result 561 states and 744 transitions. [2024-10-24 16:01:26,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 16:01:26,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 16:01:26,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:26,183 INFO L225 Difference]: With dead ends: 561 [2024-10-24 16:01:26,183 INFO L226 Difference]: Without dead ends: 561 [2024-10-24 16:01:26,183 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 16:01:26,184 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 303 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:26,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 840 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 16:01:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-10-24 16:01:26,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 317. [2024-10-24 16:01:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 300 states have (on average 1.3133333333333332) internal successors, (394), 307 states have internal predecessors, (394), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 16:01:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 418 transitions. [2024-10-24 16:01:26,199 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 418 transitions. Word has length 10 [2024-10-24 16:01:26,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:26,199 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 418 transitions. [2024-10-24 16:01:26,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:01:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 418 transitions. [2024-10-24 16:01:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 16:01:26,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:26,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:26,207 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 16:01:26,406 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 16:01:26,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:26,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:26,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1412388192, now seen corresponding path program 1 times [2024-10-24 16:01:26,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:26,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61067334] [2024-10-24 16:01:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:26,409 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 16:01:26,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:26,411 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 16:01:26,412 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 16:01:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:26,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:01:26,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:26,955 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 16:01:26,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:26,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61067334] [2024-10-24 16:01:26,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61067334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:26,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:26,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 16:01:26,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797726416] [2024-10-24 16:01:26,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:26,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 16:01:26,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:26,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 16:01:26,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:01:26,962 INFO L87 Difference]: Start difference. First operand 317 states and 418 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 16:01:27,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:27,060 INFO L93 Difference]: Finished difference Result 320 states and 413 transitions. [2024-10-24 16:01:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:01:27,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 151 [2024-10-24 16:01:27,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:27,062 INFO L225 Difference]: With dead ends: 320 [2024-10-24 16:01:27,062 INFO L226 Difference]: Without dead ends: 320 [2024-10-24 16:01:27,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 16:01:27,063 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 30 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1129 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 16:01:27,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1129 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 16:01:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-10-24 16:01:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2024-10-24 16:01:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 303 states have (on average 1.283828382838284) internal successors, (389), 310 states have internal predecessors, (389), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 16:01:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2024-10-24 16:01:27,074 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 151 [2024-10-24 16:01:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:27,074 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2024-10-24 16:01:27,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 16:01:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2024-10-24 16:01:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 16:01:27,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:27,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:27,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-24 16:01:27,276 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 16:01:27,277 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:27,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1506775084, now seen corresponding path program 1 times [2024-10-24 16:01:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:27,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967864650] [2024-10-24 16:01:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:27,278 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 16:01:27,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:27,281 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 16:01:27,282 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 16:01:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:27,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:01:27,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:27,932 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 16:01:27,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:27,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:27,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967864650] [2024-10-24 16:01:27,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967864650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:27,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:27,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 16:01:27,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459455847] [2024-10-24 16:01:27,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:27,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 16:01:27,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 16:01:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:01:27,937 INFO L87 Difference]: Start difference. First operand 320 states and 413 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 16:01:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:28,435 INFO L93 Difference]: Finished difference Result 415 states and 529 transitions. [2024-10-24 16:01:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 16:01:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 151 [2024-10-24 16:01:28,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:28,437 INFO L225 Difference]: With dead ends: 415 [2024-10-24 16:01:28,437 INFO L226 Difference]: Without dead ends: 415 [2024-10-24 16:01:28,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 16:01:28,438 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 72 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:28,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 805 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 16:01:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-24 16:01:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 362. [2024-10-24 16:01:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 345 states have (on average 1.2608695652173914) internal successors, (435), 352 states have internal predecessors, (435), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 16:01:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 459 transitions. [2024-10-24 16:01:28,450 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 459 transitions. Word has length 151 [2024-10-24 16:01:28,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:28,450 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 459 transitions. [2024-10-24 16:01:28,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 16:01:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 459 transitions. [2024-10-24 16:01:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 16:01:28,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:28,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:28,469 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 16:01:28,653 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 16:01:28,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:28,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:28,654 INFO L85 PathProgramCache]: Analyzing trace with hash 206796108, now seen corresponding path program 1 times [2024-10-24 16:01:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:28,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760275014] [2024-10-24 16:01:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:28,655 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 16:01:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:28,658 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 16:01:28,658 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 16:01:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:29,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:01:29,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:29,192 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 16:01:29,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:29,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:29,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760275014] [2024-10-24 16:01:29,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760275014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:29,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:29,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 16:01:29,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751858530] [2024-10-24 16:01:29,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:29,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 16:01:29,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:29,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 16:01:29,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:01:29,195 INFO L87 Difference]: Start difference. First operand 362 states and 459 transitions. Second operand has 4 states, 3 states have (on average 53.0) internal successors, (159), 4 states have internal predecessors, (159), 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 16:01:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:29,247 INFO L93 Difference]: Finished difference Result 364 states and 463 transitions. [2024-10-24 16:01:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 16:01:29,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 53.0) internal successors, (159), 4 states have internal predecessors, (159), 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 164 [2024-10-24 16:01:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:29,249 INFO L225 Difference]: With dead ends: 364 [2024-10-24 16:01:29,249 INFO L226 Difference]: Without dead ends: 364 [2024-10-24 16:01:29,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 161 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 16:01:29,250 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 0 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:29,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1187 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 16:01:29,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-24 16:01:29,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-10-24 16:01:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 346 states have (on average 1.2630057803468209) internal successors, (437), 354 states have internal predecessors, (437), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 463 transitions. [2024-10-24 16:01:29,259 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 463 transitions. Word has length 164 [2024-10-24 16:01:29,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:29,260 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 463 transitions. [2024-10-24 16:01:29,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 53.0) internal successors, (159), 4 states have internal predecessors, (159), 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 16:01:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 463 transitions. [2024-10-24 16:01:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 16:01:29,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:29,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:29,278 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 16:01:29,464 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 16:01:29,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:29,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash 540844976, now seen corresponding path program 1 times [2024-10-24 16:01:29,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:29,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313799504] [2024-10-24 16:01:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:29,467 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 16:01:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:29,468 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 16:01:29,469 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 16:01:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:30,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 16:01:30,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:30,034 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 16:01:30,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:01:30,112 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 16:01:30,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:30,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313799504] [2024-10-24 16:01:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313799504] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:01:30,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:01:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 16:01:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144504040] [2024-10-24 16:01:30,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:01:30,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 16:01:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:30,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 16:01:30,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 16:01:30,115 INFO L87 Difference]: Start difference. First operand 364 states and 463 transitions. Second operand has 8 states, 6 states have (on average 27.833333333333332) internal successors, (167), 8 states have internal predecessors, (167), 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 16:01:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:30,305 INFO L93 Difference]: Finished difference Result 373 states and 478 transitions. [2024-10-24 16:01:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 16:01:30,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 27.833333333333332) internal successors, (167), 8 states have internal predecessors, (167), 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 166 [2024-10-24 16:01:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:30,307 INFO L225 Difference]: With dead ends: 373 [2024-10-24 16:01:30,308 INFO L226 Difference]: Without dead ends: 373 [2024-10-24 16:01:30,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-24 16:01:30,308 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 4 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:30,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1576 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 16:01:30,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-24 16:01:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2024-10-24 16:01:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 353 states have (on average 1.274787535410765) internal successors, (450), 361 states have internal predecessors, (450), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 476 transitions. [2024-10-24 16:01:30,315 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 476 transitions. Word has length 166 [2024-10-24 16:01:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:30,315 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 476 transitions. [2024-10-24 16:01:30,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 27.833333333333332) internal successors, (167), 8 states have internal predecessors, (167), 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 16:01:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 476 transitions. [2024-10-24 16:01:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-24 16:01:30,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:30,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:30,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-24 16:01:30,517 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 16:01:30,518 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:30,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:30,518 INFO L85 PathProgramCache]: Analyzing trace with hash -482685716, now seen corresponding path program 2 times [2024-10-24 16:01:30,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:30,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233482511] [2024-10-24 16:01:30,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:01:30,519 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 16:01:30,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:30,520 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 16:01:30,523 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 16:01:30,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 16:01:30,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:01:30,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:01:30,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-24 16:01:30,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:30,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:30,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233482511] [2024-10-24 16:01:30,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233482511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:30,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:30,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 16:01:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001748056] [2024-10-24 16:01:30,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:30,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 16:01:30,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:30,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 16:01:30,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:01:30,867 INFO L87 Difference]: Start difference. First operand 372 states and 476 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:30,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:30,960 INFO L93 Difference]: Finished difference Result 375 states and 471 transitions. [2024-10-24 16:01:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:01:30,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 170 [2024-10-24 16:01:30,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:30,962 INFO L225 Difference]: With dead ends: 375 [2024-10-24 16:01:30,962 INFO L226 Difference]: Without dead ends: 375 [2024-10-24 16:01:30,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 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 16:01:30,962 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 33 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:30,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1093 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 16:01:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-24 16:01:30,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-10-24 16:01:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 356 states have (on average 1.25) internal successors, (445), 364 states have internal predecessors, (445), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 471 transitions. [2024-10-24 16:01:30,969 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 471 transitions. Word has length 170 [2024-10-24 16:01:30,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:30,970 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 471 transitions. [2024-10-24 16:01:30,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 471 transitions. [2024-10-24 16:01:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-24 16:01:30,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:30,971 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:30,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-10-24 16:01:31,172 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 16:01:31,172 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:31,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash -2125336678, now seen corresponding path program 1 times [2024-10-24 16:01:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:31,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507089232] [2024-10-24 16:01:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:31,174 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 16:01:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:31,175 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 16:01:31,175 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 16:01:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:31,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 16:01:31,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:31,763 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 16:01:31,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:01:31,942 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 16:01:31,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:31,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507089232] [2024-10-24 16:01:31,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507089232] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:01:31,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:01:31,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-24 16:01:31,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299262525] [2024-10-24 16:01:31,944 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:01:31,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 16:01:31,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:31,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 16:01:31,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-24 16:01:31,945 INFO L87 Difference]: Start difference. First operand 375 states and 471 transitions. Second operand has 14 states, 12 states have (on average 14.416666666666666) internal successors, (173), 14 states have internal predecessors, (173), 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 16:01:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:32,437 INFO L93 Difference]: Finished difference Result 387 states and 491 transitions. [2024-10-24 16:01:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 16:01:32,445 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 14.416666666666666) internal successors, (173), 14 states have internal predecessors, (173), 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 170 [2024-10-24 16:01:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:32,446 INFO L225 Difference]: With dead ends: 387 [2024-10-24 16:01:32,446 INFO L226 Difference]: Without dead ends: 385 [2024-10-24 16:01:32,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-24 16:01:32,447 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 8 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:32,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2679 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 16:01:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-24 16:01:32,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 384. [2024-10-24 16:01:32,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 365 states have (on average 1.252054794520548) internal successors, (457), 373 states have internal predecessors, (457), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 483 transitions. [2024-10-24 16:01:32,455 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 483 transitions. Word has length 170 [2024-10-24 16:01:32,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:32,455 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 483 transitions. [2024-10-24 16:01:32,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 14.416666666666666) internal successors, (173), 14 states have internal predecessors, (173), 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 16:01:32,455 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 483 transitions. [2024-10-24 16:01:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-24 16:01:32,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:32,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:32,476 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 16:01:32,658 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 16:01:32,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash -432570703, now seen corresponding path program 2 times [2024-10-24 16:01:32,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:32,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136771907] [2024-10-24 16:01:32,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:01:32,660 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 16:01:32,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:32,661 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 16:01:32,662 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 16:01:32,985 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 16:01:32,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:01:32,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 16:01:32,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-10-24 16:01:33,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:33,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:33,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136771907] [2024-10-24 16:01:33,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136771907] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:33,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:33,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 16:01:33,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299354196] [2024-10-24 16:01:33,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:33,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 16:01:33,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:33,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 16:01:33,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 16:01:33,054 INFO L87 Difference]: Start difference. First operand 384 states and 483 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:33,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:33,139 INFO L93 Difference]: Finished difference Result 378 states and 473 transitions. [2024-10-24 16:01:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:01:33,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 179 [2024-10-24 16:01:33,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:33,141 INFO L225 Difference]: With dead ends: 378 [2024-10-24 16:01:33,141 INFO L226 Difference]: Without dead ends: 378 [2024-10-24 16:01:33,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 175 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 16:01:33,142 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 6 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:33,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1093 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 16:01:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-24 16:01:33,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-10-24 16:01:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 359 states have (on average 1.2451253481894151) internal successors, (447), 367 states have internal predecessors, (447), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 473 transitions. [2024-10-24 16:01:33,151 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 473 transitions. Word has length 179 [2024-10-24 16:01:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:33,152 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 473 transitions. [2024-10-24 16:01:33,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 473 transitions. [2024-10-24 16:01:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-24 16:01:33,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:33,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:33,158 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 16:01:33,354 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 16:01:33,354 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:33,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:33,355 INFO L85 PathProgramCache]: Analyzing trace with hash -894676489, now seen corresponding path program 1 times [2024-10-24 16:01:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:33,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613047557] [2024-10-24 16:01:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:33,356 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 16:01:33,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:33,358 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 16:01:33,359 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 16:01:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:33,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 16:01:33,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 16:01:34,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:01:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 122 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-24 16:01:34,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:34,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613047557] [2024-10-24 16:01:34,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613047557] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:01:34,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:01:34,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-24 16:01:34,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835338883] [2024-10-24 16:01:34,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:01:34,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 16:01:34,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 16:01:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-24 16:01:34,486 INFO L87 Difference]: Start difference. First operand 378 states and 473 transitions. Second operand has 26 states, 24 states have (on average 7.708333333333333) internal successors, (185), 26 states have internal predecessors, (185), 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 16:01:35,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:35,928 INFO L93 Difference]: Finished difference Result 399 states and 511 transitions. [2024-10-24 16:01:35,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-24 16:01:35,928 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 7.708333333333333) internal successors, (185), 26 states have internal predecessors, (185), 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 179 [2024-10-24 16:01:35,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:35,930 INFO L225 Difference]: With dead ends: 399 [2024-10-24 16:01:35,930 INFO L226 Difference]: Without dead ends: 397 [2024-10-24 16:01:35,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 16:01:35,932 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 14 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4543 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:35,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4543 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 16:01:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-24 16:01:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 396. [2024-10-24 16:01:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 377 states have (on average 1.2493368700265253) internal successors, (471), 385 states have internal predecessors, (471), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 497 transitions. [2024-10-24 16:01:35,942 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 497 transitions. Word has length 179 [2024-10-24 16:01:35,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:35,943 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 497 transitions. [2024-10-24 16:01:35,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 7.708333333333333) internal successors, (185), 26 states have internal predecessors, (185), 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 16:01:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 497 transitions. [2024-10-24 16:01:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-24 16:01:35,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:35,944 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:35,959 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 16:01:36,145 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 16:01:36,145 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:36,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:36,146 INFO L85 PathProgramCache]: Analyzing trace with hash 43693847, now seen corresponding path program 2 times [2024-10-24 16:01:36,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:36,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196025305] [2024-10-24 16:01:36,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:01:36,147 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 16:01:36,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:36,148 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 16:01:36,148 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 16:01:36,880 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 16:01:36,880 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:01:36,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-24 16:01:36,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 279 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-24 16:01:37,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:01:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 530 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-24 16:01:38,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:38,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196025305] [2024-10-24 16:01:38,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196025305] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:01:38,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:01:38,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-24 16:01:38,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442545652] [2024-10-24 16:01:38,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:01:38,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 16:01:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:38,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 16:01:38,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 16:01:38,631 INFO L87 Difference]: Start difference. First operand 396 states and 497 transitions. Second operand has 50 states, 48 states have (on average 4.354166666666667) internal successors, (209), 50 states have internal predecessors, (209), 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 16:01:43,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:43,476 INFO L93 Difference]: Finished difference Result 433 states and 567 transitions. [2024-10-24 16:01:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-24 16:01:43,477 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 4.354166666666667) internal successors, (209), 50 states have internal predecessors, (209), 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 197 [2024-10-24 16:01:43,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:43,479 INFO L225 Difference]: With dead ends: 433 [2024-10-24 16:01:43,479 INFO L226 Difference]: Without dead ends: 431 [2024-10-24 16:01:43,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-10-24 16:01:43,484 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 25 mSDsluCounter, 9072 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 9454 SdHoareTripleChecker+Invalid, 2094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:43,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 9454 Invalid, 2094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 16:01:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-24 16:01:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2024-10-24 16:01:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 411 states have (on average 1.2579075425790753) internal successors, (517), 419 states have internal predecessors, (517), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 543 transitions. [2024-10-24 16:01:43,493 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 543 transitions. Word has length 197 [2024-10-24 16:01:43,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:43,493 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 543 transitions. [2024-10-24 16:01:43,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 4.354166666666667) internal successors, (209), 50 states have internal predecessors, (209), 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 16:01:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 543 transitions. [2024-10-24 16:01:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-24 16:01:43,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:43,496 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:43,514 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 16:01:43,696 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 16:01:43,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:43,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:43,697 INFO L85 PathProgramCache]: Analyzing trace with hash -760000585, now seen corresponding path program 3 times [2024-10-24 16:01:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:43,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381613944] [2024-10-24 16:01:43,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 16:01:43,698 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 16:01:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:43,699 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 16:01:43,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-10-24 16:01:44,293 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 16:01:44,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:01:44,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:01:44,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2024-10-24 16:01:44,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:01:44,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:44,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381613944] [2024-10-24 16:01:44,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381613944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:01:44,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:01:44,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 16:01:44,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33031443] [2024-10-24 16:01:44,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:01:44,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 16:01:44,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 16:01:44,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:01:44,332 INFO L87 Difference]: Start difference. First operand 430 states and 543 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:44,398 INFO L93 Difference]: Finished difference Result 433 states and 538 transitions. [2024-10-24 16:01:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:01:44,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 231 [2024-10-24 16:01:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:44,400 INFO L225 Difference]: With dead ends: 433 [2024-10-24 16:01:44,400 INFO L226 Difference]: Without dead ends: 433 [2024-10-24 16:01:44,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 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 16:01:44,401 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 30 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1051 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 16:01:44,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1051 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 16:01:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-24 16:01:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2024-10-24 16:01:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 414 states have (on average 1.2367149758454106) internal successors, (512), 422 states have internal predecessors, (512), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 538 transitions. [2024-10-24 16:01:44,407 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 538 transitions. Word has length 231 [2024-10-24 16:01:44,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:44,407 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 538 transitions. [2024-10-24 16:01:44,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 16:01:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 538 transitions. [2024-10-24 16:01:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-24 16:01:44,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:44,409 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:44,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-10-24 16:01:44,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 16:01:44,611 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:44,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:44,611 INFO L85 PathProgramCache]: Analyzing trace with hash 744632771, now seen corresponding path program 1 times [2024-10-24 16:01:44,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:44,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640310790] [2024-10-24 16:01:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:01:44,612 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 16:01:44,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:44,615 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 16:01:44,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-10-24 16:01:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:01:45,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 16:01:45,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 16:01:46,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:01:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 16:01:47,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:01:47,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640310790] [2024-10-24 16:01:47,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640310790] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:01:47,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:01:47,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-10-24 16:01:47,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148389044] [2024-10-24 16:01:47,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:01:47,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-24 16:01:47,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:01:47,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-24 16:01:47,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-10-24 16:01:47,708 INFO L87 Difference]: Start difference. First operand 433 states and 538 transitions. Second operand has 52 states, 50 states have (on average 4.16) internal successors, (208), 52 states have internal predecessors, (208), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 16:01:52,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:01:52,891 INFO L93 Difference]: Finished difference Result 460 states and 592 transitions. [2024-10-24 16:01:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-24 16:01:52,891 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 4.16) internal successors, (208), 52 states have internal predecessors, (208), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 231 [2024-10-24 16:01:52,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:01:52,893 INFO L225 Difference]: With dead ends: 460 [2024-10-24 16:01:52,893 INFO L226 Difference]: Without dead ends: 460 [2024-10-24 16:01:52,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-10-24 16:01:52,897 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 26 mSDsluCounter, 9863 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 10233 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 16:01:52,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 10233 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 16:01:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-24 16:01:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 458. [2024-10-24 16:01:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 439 states have (on average 1.2801822323462415) internal successors, (562), 447 states have internal predecessors, (562), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:01:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 588 transitions. [2024-10-24 16:01:52,907 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 588 transitions. Word has length 231 [2024-10-24 16:01:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:01:52,907 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 588 transitions. [2024-10-24 16:01:52,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 50 states have (on average 4.16) internal successors, (208), 52 states have internal predecessors, (208), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 16:01:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 588 transitions. [2024-10-24 16:01:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-24 16:01:52,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:01:52,909 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:52,930 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 (14)] Ended with exit code 0 [2024-10-24 16:01:53,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /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 16:01:53,110 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:01:53,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:01:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1516613260, now seen corresponding path program 2 times [2024-10-24 16:01:53,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:01:53,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633173846] [2024-10-24 16:01:53,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:01:53,112 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 16:01:53,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:01:53,113 INFO L229 MonitoredProcess]: Starting monitored process 15 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 16:01:53,114 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 (15)] Waiting until timeout for monitored process [2024-10-24 16:01:54,899 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 16:01:54,899 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:01:54,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 1729 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-24 16:01:54,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:01:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 16:01:56,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:02:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 16:02:01,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:02:01,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633173846] [2024-10-24 16:02:01,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633173846] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:02:01,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:02:01,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-10-24 16:02:01,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472763504] [2024-10-24 16:02:01,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:02:01,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-10-24 16:02:01,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:02:01,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-10-24 16:02:01,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-10-24 16:02:01,086 INFO L87 Difference]: Start difference. First operand 458 states and 588 transitions. Second operand has 102 states, 100 states have (on average 2.58) internal successors, (258), 102 states have internal predecessors, (258), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 16:02:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:02:27,376 INFO L93 Difference]: Finished difference Result 514 states and 699 transitions. [2024-10-24 16:02:27,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-10-24 16:02:27,377 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 100 states have (on average 2.58) internal successors, (258), 102 states have internal predecessors, (258), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 256 [2024-10-24 16:02:27,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:02:27,379 INFO L225 Difference]: With dead ends: 514 [2024-10-24 16:02:27,379 INFO L226 Difference]: Without dead ends: 514 [2024-10-24 16:02:27,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7008 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=12595, Invalid=26807, Unknown=0, NotChecked=0, Total=39402 [2024-10-24 16:02:27,385 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 57 mSDsluCounter, 18621 mSDsCounter, 0 mSdLazyCounter, 5657 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 18991 SdHoareTripleChecker+Invalid, 5805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 5657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-24 16:02:27,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 18991 Invalid, 5805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 5657 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-24 16:02:27,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-10-24 16:02:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 512. [2024-10-24 16:02:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 493 states have (on average 1.356997971602434) internal successors, (669), 501 states have internal predecessors, (669), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 16:02:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 695 transitions. [2024-10-24 16:02:27,394 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 695 transitions. Word has length 256 [2024-10-24 16:02:27,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:02:27,394 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 695 transitions. [2024-10-24 16:02:27,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 100 states have (on average 2.58) internal successors, (258), 102 states have internal predecessors, (258), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 16:02:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 695 transitions. [2024-10-24 16:02:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-10-24 16:02:27,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:02:27,396 INFO L215 NwaCegarLoop]: trace histogram [142, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:27,419 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 (15)] Forceful destruction successful, exit code 0 [2024-10-24 16:02:27,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /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 16:02:27,597 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:02:27,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:02:27,597 INFO L85 PathProgramCache]: Analyzing trace with hash 261017196, now seen corresponding path program 3 times [2024-10-24 16:02:27,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:02:27,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253949578] [2024-10-24 16:02:27,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 16:02:27,598 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 16:02:27,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:02:27,599 INFO L229 MonitoredProcess]: Starting monitored process 16 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 16:02:27,600 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 (16)] Waiting until timeout for monitored process [2024-10-24 16:02:28,282 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 16:02:28,282 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:02:28,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:02:28,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:02:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10298 trivial. 0 not checked. [2024-10-24 16:02:28,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:02:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10298 trivial. 0 not checked. [2024-10-24 16:02:28,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:02:28,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253949578] [2024-10-24 16:02:28,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253949578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:02:28,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:02:28,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-10-24 16:02:28,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150881474] [2024-10-24 16:02:28,613 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:02:28,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 16:02:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:02:28,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 16:02:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 16:02:28,614 INFO L87 Difference]: Start difference. First operand 512 states and 695 transitions. Second operand has 6 states, 6 states have (on average 45.166666666666664) internal successors, (271), 6 states have internal predecessors, (271), 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 16:02:29,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:02:29,065 INFO L93 Difference]: Finished difference Result 1145 states and 1473 transitions. [2024-10-24 16:02:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 16:02:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.166666666666664) internal successors, (271), 6 states have internal predecessors, (271), 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 306 [2024-10-24 16:02:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:02:29,069 INFO L225 Difference]: With dead ends: 1145 [2024-10-24 16:02:29,069 INFO L226 Difference]: Without dead ends: 1145 [2024-10-24 16:02:29,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 16:02:29,071 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 1031 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 16:02:29,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1806 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 16:02:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-10-24 16:02:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1076. [2024-10-24 16:02:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1034 states have (on average 1.264990328820116) internal successors, (1308), 1047 states have internal predecessors, (1308), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (42), 26 states have call predecessors, (42), 34 states have call successors, (42) [2024-10-24 16:02:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1386 transitions. [2024-10-24 16:02:29,087 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1386 transitions. Word has length 306 [2024-10-24 16:02:29,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:02:29,088 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1386 transitions. [2024-10-24 16:02:29,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.166666666666664) internal successors, (271), 6 states have internal predecessors, (271), 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 16:02:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1386 transitions. [2024-10-24 16:02:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2024-10-24 16:02:29,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:02:29,093 INFO L215 NwaCegarLoop]: trace histogram [142, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:29,105 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 (16)] Ended with exit code 0 [2024-10-24 16:02:29,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 16:02:29,294 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 16:02:29,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:02:29,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1752095684, now seen corresponding path program 1 times [2024-10-24 16:02:29,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:02:29,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225897256] [2024-10-24 16:02:29,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:02:29,296 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 16:02:29,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:02:29,298 INFO L229 MonitoredProcess]: Starting monitored process 17 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 16:02:29,299 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 (17)] Waiting until timeout for monitored process [2024-10-24 16:02:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:02:32,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 3716 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-10-24 16:02:32,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:02:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10932 backedges. 4568 proven. 4851 refuted. 0 times theorem prover too weak. 1513 trivial. 0 not checked. [2024-10-24 16:02:37,333 INFO L311 TraceCheckSpWp]: Computing backward predicates...