./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:25:40,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:25:40,141 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-11 17:25:40,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:25:40,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:25:40,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:25:40,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:25:40,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:25:40,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 17:25:40,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 17:25:40,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:25:40,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:25:40,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:25:40,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:25:40,187 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:25:40,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:25:40,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:25:40,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:25:40,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:25:40,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:25:40,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:25:40,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:25:40,190 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 17:25:40,190 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 17:25:40,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:25:40,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:25:40,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 17:25:40,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:25:40,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:25:40,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:25:40,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:25:40,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:25:40,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:25:40,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:25:40,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 17:25:40,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:25:40,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:25:40,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:25:40,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:25:40,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:25:40,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:25:40,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:25:40,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:25:40,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:25:40,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:25:40,205 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2024-10-11 17:25:40,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:25:40,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:25:40,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:25:40,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:25:40,418 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:25:40,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-10-11 17:25:41,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:25:41,898 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:25:41,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-10-11 17:25:41,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/935c73b45/3727177f034d45dfbb14d6a95d37b4f5/FLAG0420d0d1b [2024-10-11 17:25:41,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/935c73b45/3727177f034d45dfbb14d6a95d37b4f5 [2024-10-11 17:25:41,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:25:41,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:25:41,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:25:41,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:25:41,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:25:41,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:25:41" (1/1) ... [2024-10-11 17:25:41,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3179d677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:41, skipping insertion in model container [2024-10-11 17:25:41,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:25:41" (1/1) ... [2024-10-11 17:25:41,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:25:42,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:25:42,398 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) [2024-10-11 17:25:42,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f8b2278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:42, skipping insertion in model container [2024-10-11 17:25:42,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:25:42,399 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 17:25:42,401 INFO L158 Benchmark]: Toolchain (without parser) took 471.11ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 81.1MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 17:25:42,402 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:25:42,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.60ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 81.1MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 17:25:42,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.60ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 81.1MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 815]: 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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:25:43,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:25:43,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-11 17:25:43,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:25:43,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:25:43,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:25:43,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:25:43,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:25:43,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 17:25:43,987 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 17:25:43,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:25:43,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:25:43,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:25:43,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:25:43,991 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:25:43,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:25:43,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:25:43,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:25:43,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 17:25:43,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:25:43,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:25:43,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:25:43,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:25:43,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 17:25:44,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:25:44,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:25:44,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:25:44,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:25:44,001 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 17:25:44,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 17:25:44,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:25:44,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:25:44,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:25:44,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:25:44,002 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 17:25:44,002 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2024-10-11 17:25:44,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:25:44,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:25:44,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:25:44,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:25:44,243 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:25:44,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-10-11 17:25:45,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:25:45,692 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:25:45,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-10-11 17:25:45,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b72c430b8/b17c89dad4b34324913c532b4d7f9716/FLAG005b3bc9d [2024-10-11 17:25:45,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b72c430b8/b17c89dad4b34324913c532b4d7f9716 [2024-10-11 17:25:45,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:25:46,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:25:46,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:25:46,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:25:46,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:25:46,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:25:45" (1/1) ... [2024-10-11 17:25:46,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575aa16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46, skipping insertion in model container [2024-10-11 17:25:46,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:25:45" (1/1) ... [2024-10-11 17:25:46,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:25:46,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:25:46,485 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-11 17:25:46,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:25:46,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:25:46,585 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:25:46,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:25:46,710 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:25:46,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46 WrapperNode [2024-10-11 17:25:46,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:25:46,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:25:46,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:25:46,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:25:46,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,782 INFO L138 Inliner]: procedures = 211, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 905 [2024-10-11 17:25:46,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:25:46,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:25:46,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:25:46,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:25:46,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,856 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-10-11 17:25:46,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:25:46,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:25:46,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:25:46,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:25:46,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (1/1) ... [2024-10-11 17:25:46,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:25:46,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:25:46,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:25:46,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:25:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 17:25:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 17:25:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 17:25:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 17:25:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 17:25:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 17:25:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 17:25:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 17:25:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 17:25:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 17:25:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 17:25:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 17:25:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:25:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:25:47,157 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:25:47,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:25:53,375 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-10-11 17:25:53,375 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:25:53,402 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:25:53,403 INFO L314 CfgBuilder]: Removed 54 assume(true) statements. [2024-10-11 17:25:53,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:25:53 BoogieIcfgContainer [2024-10-11 17:25:53,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:25:53,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:25:53,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:25:53,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:25:53,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:25:45" (1/3) ... [2024-10-11 17:25:53,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df3cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:25:53, skipping insertion in model container [2024-10-11 17:25:53,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:25:46" (2/3) ... [2024-10-11 17:25:53,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df3cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:25:53, skipping insertion in model container [2024-10-11 17:25:53,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:25:53" (3/3) ... [2024-10-11 17:25:53,410 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2024-10-11 17:25:53,422 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:25:53,422 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 17:25:53,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:25:53,468 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;@1a2e5b04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:25:53,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 17:25:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 166 states have (on average 1.680722891566265) internal successors, (279), 175 states have internal predecessors, (279), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 17:25:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 17:25:53,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:53,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 17:25:53,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:53,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:53,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1644530680, now seen corresponding path program 1 times [2024-10-11 17:25:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:53,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87400073] [2024-10-11 17:25:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:53,491 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 [2024-10-11 17:25:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:53,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:53,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:53,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 17:25:53,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:25:53,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:53,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:53,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87400073] [2024-10-11 17:25:53,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87400073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:53,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:53,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:25:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696546468] [2024-10-11 17:25:53,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:53,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 17:25:53,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:53,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 17:25:53,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 17:25:53,670 INFO L87 Difference]: Start difference. First operand has 182 states, 166 states have (on average 1.680722891566265) internal successors, (279), 175 states have internal predecessors, (279), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:25:53,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:53,725 INFO L93 Difference]: Finished difference Result 180 states and 236 transitions. [2024-10-11 17:25:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 17:25:53,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 17:25:53,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:53,734 INFO L225 Difference]: With dead ends: 180 [2024-10-11 17:25:53,734 INFO L226 Difference]: Without dead ends: 179 [2024-10-11 17:25:53,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 17:25:53,737 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:53,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 17:25:53,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-11 17:25:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-10-11 17:25:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 165 states have (on average 1.3151515151515152) internal successors, (217), 172 states have internal predecessors, (217), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 17:25:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 235 transitions. [2024-10-11 17:25:53,807 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 235 transitions. Word has length 6 [2024-10-11 17:25:53,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:53,807 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 235 transitions. [2024-10-11 17:25:53,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:25:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 235 transitions. [2024-10-11 17:25:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 17:25:53,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:53,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:25:53,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:54,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:54,010 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:54,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1638208640, now seen corresponding path program 1 times [2024-10-11 17:25:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492118871] [2024-10-11 17:25:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:54,012 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 [2024-10-11 17:25:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:54,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:54,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:54,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 17:25:54,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:54,166 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:54,167 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:54,167 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:54,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-10-11 17:25:54,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:25:54,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-10-11 17:25:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:25:54,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:54,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:54,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492118871] [2024-10-11 17:25:54,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492118871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:54,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:54,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:25:54,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944523937] [2024-10-11 17:25:54,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:54,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:25:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:25:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:25:54,255 INFO L87 Difference]: Start difference. First operand 179 states and 235 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:25:54,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:54,707 INFO L93 Difference]: Finished difference Result 343 states and 456 transitions. [2024-10-11 17:25:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 17:25:54,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 17:25:54,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:54,709 INFO L225 Difference]: With dead ends: 343 [2024-10-11 17:25:54,710 INFO L226 Difference]: Without dead ends: 343 [2024-10-11 17:25:54,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:25:54,710 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 201 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:54,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 684 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 17:25:54,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-11 17:25:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 181. [2024-10-11 17:25:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 167 states have (on average 1.311377245508982) internal successors, (219), 174 states have internal predecessors, (219), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 17:25:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 237 transitions. [2024-10-11 17:25:54,723 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 237 transitions. Word has length 8 [2024-10-11 17:25:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:54,724 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 237 transitions. [2024-10-11 17:25:54,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:25:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 237 transitions. [2024-10-11 17:25:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 17:25:54,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:54,725 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 17:25:54,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:54,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:54,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:54,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash 988580530, now seen corresponding path program 1 times [2024-10-11 17:25:54,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:54,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742355920] [2024-10-11 17:25:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:54,928 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 [2024-10-11 17:25:54,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:54,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:54,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:55,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 17:25:55,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:25:55,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:55,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:55,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742355920] [2024-10-11 17:25:55,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742355920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:55,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:55,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:25:55,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645728640] [2024-10-11 17:25:55,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:55,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:25:55,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:55,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:25:55,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:25:55,257 INFO L87 Difference]: Start difference. First operand 181 states and 237 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-10-11 17:25:55,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:55,369 INFO L93 Difference]: Finished difference Result 184 states and 232 transitions. [2024-10-11 17:25:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:25:55,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-10-11 17:25:55,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:55,371 INFO L225 Difference]: With dead ends: 184 [2024-10-11 17:25:55,371 INFO L226 Difference]: Without dead ends: 184 [2024-10-11 17:25:55,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:25:55,372 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 30 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:55,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 589 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 17:25:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-11 17:25:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-10-11 17:25:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 170 states have (on average 1.2588235294117647) internal successors, (214), 177 states have internal predecessors, (214), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 17:25:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 232 transitions. [2024-10-11 17:25:55,383 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 232 transitions. Word has length 64 [2024-10-11 17:25:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:55,383 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 232 transitions. [2024-10-11 17:25:55,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-10-11 17:25:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 232 transitions. [2024-10-11 17:25:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 17:25:55,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:55,388 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 17:25:55,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:55,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:55,589 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:55,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:55,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1552494042, now seen corresponding path program 1 times [2024-10-11 17:25:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:55,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88570616] [2024-10-11 17:25:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:55,594 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 [2024-10-11 17:25:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:55,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:55,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:55,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 17:25:55,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:25:56,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:56,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88570616] [2024-10-11 17:25:56,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88570616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:56,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:56,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:25:56,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591109713] [2024-10-11 17:25:56,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:56,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:25:56,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:56,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:25:56,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:25:56,098 INFO L87 Difference]: Start difference. First operand 184 states and 232 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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) [2024-10-11 17:25:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:56,408 INFO L93 Difference]: Finished difference Result 285 states and 360 transitions. [2024-10-11 17:25:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:25:56,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 64 [2024-10-11 17:25:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:56,409 INFO L225 Difference]: With dead ends: 285 [2024-10-11 17:25:56,409 INFO L226 Difference]: Without dead ends: 285 [2024-10-11 17:25:56,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:25:56,410 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 74 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:56,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 482 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 17:25:56,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-10-11 17:25:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 281. [2024-10-11 17:25:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 262 states have (on average 1.2557251908396947) internal successors, (329), 274 states have internal predecessors, (329), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 17:25:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 357 transitions. [2024-10-11 17:25:56,420 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 357 transitions. Word has length 64 [2024-10-11 17:25:56,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:56,420 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 357 transitions. [2024-10-11 17:25:56,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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) [2024-10-11 17:25:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 357 transitions. [2024-10-11 17:25:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 17:25:56,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:56,422 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] [2024-10-11 17:25:56,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:56,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:56,623 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:56,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:56,623 INFO L85 PathProgramCache]: Analyzing trace with hash -996994381, now seen corresponding path program 1 times [2024-10-11 17:25:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:56,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052601976] [2024-10-11 17:25:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:56,624 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 [2024-10-11 17:25:56,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:56,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:56,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:56,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 17:25:56,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:25:56,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:56,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:56,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052601976] [2024-10-11 17:25:56,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052601976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:56,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:56,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:25:56,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624648654] [2024-10-11 17:25:56,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:56,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:25:56,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:56,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:25:56,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:25:56,998 INFO L87 Difference]: Start difference. First operand 281 states and 357 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 17:25:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:57,050 INFO L93 Difference]: Finished difference Result 283 states and 360 transitions. [2024-10-11 17:25:57,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 17:25:57,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-10-11 17:25:57,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:57,053 INFO L225 Difference]: With dead ends: 283 [2024-10-11 17:25:57,053 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 17:25:57,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:25:57,054 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:57,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 653 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 17:25:57,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 17:25:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-10-11 17:25:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 263 states have (on average 1.258555133079848) internal successors, (331), 276 states have internal predecessors, (331), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:25:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 360 transitions. [2024-10-11 17:25:57,067 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 360 transitions. Word has length 77 [2024-10-11 17:25:57,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:57,068 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 360 transitions. [2024-10-11 17:25:57,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 17:25:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 360 transitions. [2024-10-11 17:25:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 17:25:57,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:57,073 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:25:57,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-11 17:25:57,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:57,273 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:57,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1117997847, now seen corresponding path program 1 times [2024-10-11 17:25:57,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:57,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546299693] [2024-10-11 17:25:57,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:57,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 17:25:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:57,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:57,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:57,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 17:25:57,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 17:25:57,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:25:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 17:25:57,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:57,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546299693] [2024-10-11 17:25:57,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546299693] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:25:57,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:25:57,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-11 17:25:57,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018161241] [2024-10-11 17:25:57,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:25:57,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 17:25:57,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:57,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 17:25:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 17:25:57,730 INFO L87 Difference]: Start difference. First operand 283 states and 360 transitions. Second operand has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 17:25:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:57,881 INFO L93 Difference]: Finished difference Result 292 states and 374 transitions. [2024-10-11 17:25:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 17:25:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 79 [2024-10-11 17:25:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:57,884 INFO L225 Difference]: With dead ends: 292 [2024-10-11 17:25:57,884 INFO L226 Difference]: Without dead ends: 292 [2024-10-11 17:25:57,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 17:25:57,886 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 4 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:57,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 654 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 17:25:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-11 17:25:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 291. [2024-10-11 17:25:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 270 states have (on average 1.2740740740740741) internal successors, (344), 283 states have internal predecessors, (344), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:25:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 373 transitions. [2024-10-11 17:25:57,896 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 373 transitions. Word has length 79 [2024-10-11 17:25:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:57,897 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 373 transitions. [2024-10-11 17:25:57,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.5) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 17:25:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 373 transitions. [2024-10-11 17:25:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 17:25:57,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:57,901 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:25:57,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:58,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:58,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2090033363, now seen corresponding path program 2 times [2024-10-11 17:25:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:58,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441919080] [2024-10-11 17:25:58,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:25:58,103 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 [2024-10-11 17:25:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:58,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:58,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:58,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 17:25:58,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:25:58,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 17:25:58,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:58,333 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:58,334 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:58,334 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 17:25:58,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-10-11 17:25:58,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:25:58,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-10-11 17:25:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 17:25:58,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:25:58,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:58,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441919080] [2024-10-11 17:25:58,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441919080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:25:58,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:25:58,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:25:58,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080525785] [2024-10-11 17:25:58,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:25:58,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:25:58,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:58,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:25:58,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:25:58,383 INFO L87 Difference]: Start difference. First operand 291 states and 373 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 17:25:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:58,704 INFO L93 Difference]: Finished difference Result 427 states and 564 transitions. [2024-10-11 17:25:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 17:25:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-10-11 17:25:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:58,706 INFO L225 Difference]: With dead ends: 427 [2024-10-11 17:25:58,706 INFO L226 Difference]: Without dead ends: 427 [2024-10-11 17:25:58,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:25:58,707 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 186 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:58,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 597 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 17:25:58,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-11 17:25:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 293. [2024-10-11 17:25:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 272 states have (on average 1.2720588235294117) internal successors, (346), 285 states have internal predecessors, (346), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:25:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 375 transitions. [2024-10-11 17:25:58,714 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 375 transitions. Word has length 83 [2024-10-11 17:25:58,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:58,714 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 375 transitions. [2024-10-11 17:25:58,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 17:25:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 375 transitions. [2024-10-11 17:25:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 17:25:58,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:58,716 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:25:58,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:58,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-clean/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 [2024-10-11 17:25:58,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:25:58,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:25:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash 912389037, now seen corresponding path program 1 times [2024-10-11 17:25:58,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:25:58,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871834922] [2024-10-11 17:25:58,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:25:58,918 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 [2024-10-11 17:25:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:25:58,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/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) [2024-10-11 17:25:58,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:25:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:25:59,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 17:25:59,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:25:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 17:25:59,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:25:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 17:25:59,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:25:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871834922] [2024-10-11 17:25:59,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871834922] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:25:59,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:25:59,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-11 17:25:59,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071601927] [2024-10-11 17:25:59,507 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:25:59,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 17:25:59,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:25:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 17:25:59,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-11 17:25:59,508 INFO L87 Difference]: Start difference. First operand 293 states and 375 transitions. Second operand has 14 states, 12 states have (on average 10.416666666666666) internal successors, (125), 14 states have internal predecessors, (125), 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) [2024-10-11 17:25:59,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:25:59,935 INFO L93 Difference]: Finished difference Result 305 states and 394 transitions. [2024-10-11 17:25:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 17:25:59,936 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 10.416666666666666) internal successors, (125), 14 states have internal predecessors, (125), 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 122 [2024-10-11 17:25:59,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:25:59,937 INFO L225 Difference]: With dead ends: 305 [2024-10-11 17:25:59,937 INFO L226 Difference]: Without dead ends: 303 [2024-10-11 17:25:59,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-11 17:25:59,938 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 8 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 17:25:59,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1301 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 17:25:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-11 17:25:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2024-10-11 17:25:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 281 states have (on average 1.2740213523131672) internal successors, (358), 294 states have internal predecessors, (358), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:25:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 387 transitions. [2024-10-11 17:25:59,944 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 387 transitions. Word has length 122 [2024-10-11 17:25:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:25:59,945 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 387 transitions. [2024-10-11 17:25:59,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 10.416666666666666) internal successors, (125), 14 states have internal predecessors, (125), 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) [2024-10-11 17:25:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 387 transitions. [2024-10-11 17:25:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 17:25:59,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:25:59,946 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:25:59,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:00,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:00,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:00,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -413171410, now seen corresponding path program 2 times [2024-10-11 17:26:00,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:00,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823830768] [2024-10-11 17:26:00,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:26:00,149 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 [2024-10-11 17:26:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:00,150 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:00,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:00,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 17:26:00,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:26:00,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 17:26:00,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-11 17:26:00,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:26:00,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:00,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823830768] [2024-10-11 17:26:00,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823830768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:26:00,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:26:00,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:26:00,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893859582] [2024-10-11 17:26:00,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:26:00,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:26:00,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:00,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:26:00,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:26:00,425 INFO L87 Difference]: Start difference. First operand 302 states and 387 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-10-11 17:26:00,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:00,528 INFO L93 Difference]: Finished difference Result 308 states and 377 transitions. [2024-10-11 17:26:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:26:00,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 131 [2024-10-11 17:26:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:00,530 INFO L225 Difference]: With dead ends: 308 [2024-10-11 17:26:00,530 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 17:26:00,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:26:00,530 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 30 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:00,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 556 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 17:26:00,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 17:26:00,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-10-11 17:26:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 287 states have (on average 1.2125435540069687) internal successors, (348), 300 states have internal predecessors, (348), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:26:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 377 transitions. [2024-10-11 17:26:00,539 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 377 transitions. Word has length 131 [2024-10-11 17:26:00,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:00,540 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 377 transitions. [2024-10-11 17:26:00,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-10-11 17:26:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 377 transitions. [2024-10-11 17:26:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 17:26:00,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:00,542 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:26:00,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:00,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:00,744 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:00,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash 936758434, now seen corresponding path program 1 times [2024-10-11 17:26:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990487746] [2024-10-11 17:26:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:26:00,745 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 [2024-10-11 17:26:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:00,746 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:00,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:26:01,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 17:26:01,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 70 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 17:26:01,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:26:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 122 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 17:26:01,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990487746] [2024-10-11 17:26:01,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990487746] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:26:01,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:26:01,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-11 17:26:01,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154831860] [2024-10-11 17:26:01,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:26:01,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 17:26:01,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:01,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 17:26:01,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-11 17:26:01,669 INFO L87 Difference]: Start difference. First operand 308 states and 377 transitions. Second operand has 26 states, 24 states have (on average 5.708333333333333) internal successors, (137), 26 states have internal predecessors, (137), 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) [2024-10-11 17:26:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:02,979 INFO L93 Difference]: Finished difference Result 329 states and 414 transitions. [2024-10-11 17:26:02,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-11 17:26:02,982 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 5.708333333333333) internal successors, (137), 26 states have internal predecessors, (137), 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 131 [2024-10-11 17:26:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:02,983 INFO L225 Difference]: With dead ends: 329 [2024-10-11 17:26:02,983 INFO L226 Difference]: Without dead ends: 327 [2024-10-11 17:26:02,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 17:26:02,984 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 14 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:02,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2669 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 17:26:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-11 17:26:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 326. [2024-10-11 17:26:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 305 states have (on average 1.219672131147541) internal successors, (372), 318 states have internal predecessors, (372), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:26:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 401 transitions. [2024-10-11 17:26:02,992 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 401 transitions. Word has length 131 [2024-10-11 17:26:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:02,992 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 401 transitions. [2024-10-11 17:26:02,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 5.708333333333333) internal successors, (137), 26 states have internal predecessors, (137), 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) [2024-10-11 17:26:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 401 transitions. [2024-10-11 17:26:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 17:26:02,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:02,994 INFO L215 NwaCegarLoop]: trace histogram [33, 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] [2024-10-11 17:26:03,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:03,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:03,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1041148158, now seen corresponding path program 2 times [2024-10-11 17:26:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:03,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817930239] [2024-10-11 17:26:03,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:26:03,196 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 [2024-10-11 17:26:03,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:03,197 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:03,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:03,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 17:26:03,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:26:03,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 17:26:03,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-10-11 17:26:03,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:26:03,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:03,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817930239] [2024-10-11 17:26:03,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817930239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:26:03,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:26:03,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:26:03,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142005569] [2024-10-11 17:26:03,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:26:03,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:26:03,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:03,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:26:03,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:26:03,499 INFO L87 Difference]: Start difference. First operand 326 states and 401 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2024-10-11 17:26:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:03,555 INFO L93 Difference]: Finished difference Result 326 states and 395 transitions. [2024-10-11 17:26:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:26:03,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 149 [2024-10-11 17:26:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:03,556 INFO L225 Difference]: With dead ends: 326 [2024-10-11 17:26:03,557 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 17:26:03,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:26:03,557 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 0 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:03,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 387 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 17:26:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 17:26:03,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-10-11 17:26:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 305 states have (on average 1.2) internal successors, (366), 318 states have internal predecessors, (366), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:26:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 395 transitions. [2024-10-11 17:26:03,562 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 395 transitions. Word has length 149 [2024-10-11 17:26:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:03,563 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 395 transitions. [2024-10-11 17:26:03,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2024-10-11 17:26:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 395 transitions. [2024-10-11 17:26:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 17:26:03,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:03,564 INFO L215 NwaCegarLoop]: trace histogram [33, 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] [2024-10-11 17:26:03,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:03,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:03,765 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:03,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:03,765 INFO L85 PathProgramCache]: Analyzing trace with hash -20079804, now seen corresponding path program 1 times [2024-10-11 17:26:03,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:03,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436121909] [2024-10-11 17:26:03,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:26:03,766 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 [2024-10-11 17:26:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:03,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:03,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:26:04,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 17:26:04,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 280 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 17:26:04,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:26:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 2 proven. 530 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-11 17:26:05,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:05,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436121909] [2024-10-11 17:26:05,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436121909] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:26:05,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:26:05,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-11 17:26:05,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388282602] [2024-10-11 17:26:05,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:26:05,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-11 17:26:05,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:05,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-11 17:26:05,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-11 17:26:05,858 INFO L87 Difference]: Start difference. First operand 326 states and 395 transitions. Second operand has 50 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 50 states have internal predecessors, (161), 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) [2024-10-11 17:26:10,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:10,636 INFO L93 Difference]: Finished difference Result 363 states and 464 transitions. [2024-10-11 17:26:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-11 17:26:10,636 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 50 states have internal predecessors, (161), 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 149 [2024-10-11 17:26:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:10,638 INFO L225 Difference]: With dead ends: 363 [2024-10-11 17:26:10,638 INFO L226 Difference]: Without dead ends: 361 [2024-10-11 17:26:10,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-10-11 17:26:10,640 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 26 mSDsluCounter, 4922 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:10,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 5130 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 17:26:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-10-11 17:26:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 360. [2024-10-11 17:26:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 339 states have (on average 1.2153392330383481) internal successors, (412), 352 states have internal predecessors, (412), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:26:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 441 transitions. [2024-10-11 17:26:10,649 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 441 transitions. Word has length 149 [2024-10-11 17:26:10,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:10,650 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 441 transitions. [2024-10-11 17:26:10,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 50 states have internal predecessors, (161), 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) [2024-10-11 17:26:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 441 transitions. [2024-10-11 17:26:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 17:26:10,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:10,651 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:26:10,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:10,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:10,853 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:10,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 336867044, now seen corresponding path program 2 times [2024-10-11 17:26:10,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:10,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597383343] [2024-10-11 17:26:10,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:26:10,854 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 [2024-10-11 17:26:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:10,857 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:10,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:11,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 17:26:11,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:26:11,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 17:26:11,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 1083 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-11 17:26:12,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:26:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 1083 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-11 17:26:13,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:13,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597383343] [2024-10-11 17:26:13,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597383343] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:26:13,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:26:13,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-10-11 17:26:13,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945227353] [2024-10-11 17:26:13,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:26:13,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-11 17:26:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-11 17:26:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-10-11 17:26:13,484 INFO L87 Difference]: Start difference. First operand 360 states and 441 transitions. Second operand has 52 states, 50 states have (on average 3.2) internal successors, (160), 52 states have internal predecessors, (160), 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) [2024-10-11 17:26:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:18,211 INFO L93 Difference]: Finished difference Result 387 states and 493 transitions. [2024-10-11 17:26:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-11 17:26:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 3.2) internal successors, (160), 52 states have internal predecessors, (160), 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 183 [2024-10-11 17:26:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:18,213 INFO L225 Difference]: With dead ends: 387 [2024-10-11 17:26:18,213 INFO L226 Difference]: Without dead ends: 387 [2024-10-11 17:26:18,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-10-11 17:26:18,216 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 27 mSDsluCounter, 5103 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 5310 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:18,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 5310 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 17:26:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-10-11 17:26:18,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2024-10-11 17:26:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 364 states have (on average 1.2692307692307692) internal successors, (462), 377 states have internal predecessors, (462), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 17:26:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 491 transitions. [2024-10-11 17:26:18,223 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 491 transitions. Word has length 183 [2024-10-11 17:26:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:18,223 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 491 transitions. [2024-10-11 17:26:18,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 50 states have (on average 3.2) internal successors, (160), 52 states have internal predecessors, (160), 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) [2024-10-11 17:26:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 491 transitions. [2024-10-11 17:26:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 17:26:18,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:18,225 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:26:18,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:18,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:18,426 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:18,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:18,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1664704451, now seen corresponding path program 3 times [2024-10-11 17:26:18,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:18,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107735362] [2024-10-11 17:26:18,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 17:26:18,427 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 [2024-10-11 17:26:18,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:18,428 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:18,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:18,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 17:26:18,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:26:18,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 17:26:18,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4375 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4373 trivial. 0 not checked. [2024-10-11 17:26:19,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:26:19,101 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:19,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107735362] [2024-10-11 17:26:19,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107735362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:26:19,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:26:19,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 17:26:19,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629922704] [2024-10-11 17:26:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:26:19,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 17:26:19,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 17:26:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 17:26:19,102 INFO L87 Difference]: Start difference. First operand 385 states and 491 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2024-10-11 17:26:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 17:26:27,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 17:26:28,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:26:28,350 INFO L93 Difference]: Finished difference Result 327 states and 418 transitions. [2024-10-11 17:26:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 17:26:28,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 208 [2024-10-11 17:26:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:26:28,352 INFO L225 Difference]: With dead ends: 327 [2024-10-11 17:26:28,352 INFO L226 Difference]: Without dead ends: 327 [2024-10-11 17:26:28,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:26:28,352 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 263 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-10-11 17:26:28,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 289 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-10-11 17:26:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-11 17:26:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-10-11 17:26:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 311 states have (on average 1.2829581993569132) internal successors, (399), 319 states have internal predecessors, (399), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 17:26:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 418 transitions. [2024-10-11 17:26:28,357 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 418 transitions. Word has length 208 [2024-10-11 17:26:28,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:26:28,357 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 418 transitions. [2024-10-11 17:26:28,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2024-10-11 17:26:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 418 transitions. [2024-10-11 17:26:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-11 17:26:28,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:26:28,359 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:26:28,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Ended with exit code 0 [2024-10-11 17:26:28,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/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 [2024-10-11 17:26:28,559 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:26:28,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:26:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1660407181, now seen corresponding path program 1 times [2024-10-11 17:26:28,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:26:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310828776] [2024-10-11 17:26:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:26:28,561 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 [2024-10-11 17:26:28,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:26:28,562 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/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) [2024-10-11 17:26:28,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:26:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:26:29,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-11 17:26:29,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:26:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4375 backedges. 2208 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-11 17:26:31,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:26:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4375 backedges. 2208 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-11 17:26:35,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 17:26:35,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310828776] [2024-10-11 17:26:35,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310828776] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:26:35,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 17:26:35,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-10-11 17:26:35,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423457838] [2024-10-11 17:26:35,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 17:26:35,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-10-11 17:26:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 17:26:35,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-10-11 17:26:35,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-10-11 17:26:35,966 INFO L87 Difference]: Start difference. First operand 327 states and 418 transitions. Second operand has 102 states, 100 states have (on average 2.18) internal successors, (218), 102 states have internal predecessors, (218), 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) [2024-10-11 17:27:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 17:27:01,513 INFO L93 Difference]: Finished difference Result 383 states and 527 transitions. [2024-10-11 17:27:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-10-11 17:27:01,514 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 100 states have (on average 2.18) internal successors, (218), 102 states have internal predecessors, (218), 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 216 [2024-10-11 17:27:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 17:27:01,516 INFO L225 Difference]: With dead ends: 383 [2024-10-11 17:27:01,517 INFO L226 Difference]: Without dead ends: 383 [2024-10-11 17:27:01,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7008 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=12595, Invalid=26807, Unknown=0, NotChecked=0, Total=39402 [2024-10-11 17:27:01,525 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 106 mSDsluCounter, 10152 mSDsCounter, 0 mSdLazyCounter, 5350 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 10358 SdHoareTripleChecker+Invalid, 5415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 5350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-11 17:27:01,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 10358 Invalid, 5415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 5350 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-11 17:27:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-11 17:27:01,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2024-10-11 17:27:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 365 states have (on average 1.3863013698630138) internal successors, (506), 373 states have internal predecessors, (506), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 17:27:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 525 transitions. [2024-10-11 17:27:01,532 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 525 transitions. Word has length 216 [2024-10-11 17:27:01,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 17:27:01,532 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 525 transitions. [2024-10-11 17:27:01,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 100 states have (on average 2.18) internal successors, (218), 102 states have internal predecessors, (218), 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) [2024-10-11 17:27:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 525 transitions. [2024-10-11 17:27:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-11 17:27:01,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 17:27:01,548 INFO L215 NwaCegarLoop]: trace histogram [142, 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] [2024-10-11 17:27:01,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-11 17:27:01,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/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 [2024-10-11 17:27:01,749 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-11 17:27:01,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:27:01,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1267400877, now seen corresponding path program 2 times [2024-10-11 17:27:01,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 17:27:01,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521733847] [2024-10-11 17:27:01,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:27:01,751 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 [2024-10-11 17:27:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 17:27:01,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/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) [2024-10-11 17:27:01,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 17:27:03,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 17:27:03,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:27:03,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-10-11 17:27:03,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:27:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10300 backedges. 4458 proven. 4851 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-11 17:27:08,625 INFO L311 TraceCheckSpWp]: Computing backward predicates...