./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:17:33,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:17:34,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-22 18:17:34,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:17:34,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:17:34,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:17:34,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:17:34,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:17:34,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:17:34,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:17:34,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:17:34,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:17:34,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:17:34,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:17:34,038 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:17:34,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:17:34,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:17:34,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:17:34,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:17:34,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:17:34,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:17:34,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:17:34,040 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:17:34,040 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:17:34,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:17:34,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:17:34,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:17:34,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:17:34,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:17:34,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:17:34,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:17:34,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:17:34,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:17:34,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:17:34,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 18:17:34,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 18:17:34,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:17:34,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:17:34,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:17:34,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:17:34,046 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-11-22 18:17:34,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:17:34,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:17:34,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:17:34,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:17:34,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:17:34,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-22 18:17:35,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:17:35,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:17:35,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-22 18:17:35,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35240285/7ca3cfb23da44563974517a40f3f1da8/FLAG50cc261b6 [2024-11-22 18:17:36,222 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35240285/7ca3cfb23da44563974517a40f3f1da8 [2024-11-22 18:17:36,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:17:36,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:17:36,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:17:36,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:17:36,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:17:36,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:17:36" (1/1) ... [2024-11-22 18:17:36,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae709aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:36, skipping insertion in model container [2024-11-22 18:17:36,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:17:36" (1/1) ... [2024-11-22 18:17:36,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:17:36,792 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,825 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,840 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,905 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,917 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,918 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:36,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:17:36,962 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-22 18:17:36,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@90fb318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:36, skipping insertion in model container [2024-11-22 18:17:36,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:17:36,963 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-22 18:17:36,968 INFO L158 Benchmark]: Toolchain (without parser) took 741.46ms. Allocated memory is still 186.6MB. Free memory was 111.3MB in the beginning and 151.2MB in the end (delta: -39.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-22 18:17:36,969 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 18:17:36,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.73ms. Allocated memory is still 186.6MB. Free memory was 111.0MB in the beginning and 151.2MB in the end (delta: -40.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-22 18:17:36,970 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 186.6MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.73ms. Allocated memory is still 186.6MB. Free memory was 111.0MB in the beginning and 151.2MB in the end (delta: -40.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:17:38,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:17:39,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-22 18:17:39,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:17:39,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:17:39,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:17:39,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:17:39,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:17:39,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:17:39,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:17:39,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:17:39,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:17:39,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:17:39,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:17:39,047 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:17:39,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:17:39,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:17:39,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:17:39,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:17:39,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:17:39,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:17:39,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:17:39,053 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:17:39,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 18:17:39,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:17:39,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:17:39,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:17:39,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:17:39,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:17:39,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:17:39,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:17:39,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:17:39,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:17:39,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:17:39,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:17:39,058 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 18:17:39,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 18:17:39,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:17:39,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:17:39,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:17:39,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:17:39,060 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-11-22 18:17:39,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:17:39,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:17:39,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:17:39,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:17:39,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:17:39,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-22 18:17:40,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:17:41,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:17:41,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-22 18:17:41,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbcff8fbf/e120bd7bd4354b6d83342dfd42be49ca/FLAGfb1ad6573 [2024-11-22 18:17:41,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbcff8fbf/e120bd7bd4354b6d83342dfd42be49ca [2024-11-22 18:17:41,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:17:41,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:17:41,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:17:41,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:17:41,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:17:41,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:17:41" (1/1) ... [2024-11-22 18:17:41,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe6d0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:41, skipping insertion in model container [2024-11-22 18:17:41,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:17:41" (1/1) ... [2024-11-22 18:17:41,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:17:41,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,713 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,717 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,721 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,725 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,760 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:17:41,816 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-22 18:17:41,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:17:41,865 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,880 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,908 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,908 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,909 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,909 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:17:41,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:17:41,925 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 18:17:42,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:17:42,058 INFO L204 MainTranslator]: Completed translation [2024-11-22 18:17:42,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42 WrapperNode [2024-11-22 18:17:42,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:17:42,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 18:17:42,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 18:17:42,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 18:17:42,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,161 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1071 [2024-11-22 18:17:42,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 18:17:42,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 18:17:42,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 18:17:42,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 18:17:42,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,273 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 34, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 4, 49]. [2024-11-22 18:17:42,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 18:17:42,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 18:17:42,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 18:17:42,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 18:17:42,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (1/1) ... [2024-11-22 18:17:42,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:17:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:17:42,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 18:17:42,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 18:17:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-22 18:17:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-22 18:17:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 18:17:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 18:17:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-22 18:17:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-22 18:17:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-22 18:17:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-22 18:17:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-22 18:17:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-22 18:17:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-22 18:17:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 18:17:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-22 18:17:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-22 18:17:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-22 18:17:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 18:17:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 18:17:42,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 18:17:42,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 18:17:49,118 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-22 18:17:49,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 18:17:49,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 18:17:49,133 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-22 18:17:49,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:17:49 BoogieIcfgContainer [2024-11-22 18:17:49,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 18:17:49,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 18:17:49,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 18:17:49,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 18:17:49,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:17:41" (1/3) ... [2024-11-22 18:17:49,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc3360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:17:49, skipping insertion in model container [2024-11-22 18:17:49,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:17:42" (2/3) ... [2024-11-22 18:17:49,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc3360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:17:49, skipping insertion in model container [2024-11-22 18:17:49,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:17:49" (3/3) ... [2024-11-22 18:17:49,140 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2024-11-22 18:17:49,154 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 18:17:49,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 18:17:49,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 18:17:49,212 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;@1f661704, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 18:17:49,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 18:17:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 209 states have (on average 1.6076555023923444) internal successors, (336), 214 states have internal predecessors, (336), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 18:17:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 18:17:49,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:49,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:17:49,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:49,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1647619846, now seen corresponding path program 1 times [2024-11-22 18:17:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:49,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116345978] [2024-11-22 18:17:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:49,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:49,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:49,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:49,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 18:17:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:49,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 18:17:49,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:49,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:49,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116345978] [2024-11-22 18:17:49,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116345978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:49,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:49,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 18:17:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897168532] [2024-11-22 18:17:49,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:49,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 18:17:49,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 18:17:49,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 18:17:49,515 INFO L87 Difference]: Start difference. First operand has 234 states, 209 states have (on average 1.6076555023923444) internal successors, (336), 214 states have internal predecessors, (336), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:49,542 INFO L93 Difference]: Finished difference Result 229 states and 294 transitions. [2024-11-22 18:17:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 18:17:49,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-22 18:17:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:49,555 INFO L225 Difference]: With dead ends: 229 [2024-11-22 18:17:49,556 INFO L226 Difference]: Without dead ends: 227 [2024-11-22 18:17:49,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 18:17:49,560 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:49,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 18:17:49,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-22 18:17:49,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-22 18:17:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 204 states have (on average 1.2843137254901962) internal successors, (262), 209 states have internal predecessors, (262), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:17:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 292 transitions. [2024-11-22 18:17:49,603 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 292 transitions. Word has length 10 [2024-11-22 18:17:49,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:49,603 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 292 transitions. [2024-11-22 18:17:49,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 292 transitions. [2024-11-22 18:17:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 18:17:49,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:49,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:17:49,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 18:17:49,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:49,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:49,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash -617467811, now seen corresponding path program 1 times [2024-11-22 18:17:49,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:49,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225237902] [2024-11-22 18:17:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:49,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:49,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:49,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 18:17:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:49,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:17:49,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:50,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:50,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:50,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225237902] [2024-11-22 18:17:50,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225237902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:50,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:50,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:17:50,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736899332] [2024-11-22 18:17:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:50,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:17:50,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:50,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:17:50,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:17:50,063 INFO L87 Difference]: Start difference. First operand 227 states and 292 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:52,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:17:55,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:55,471 INFO L93 Difference]: Finished difference Result 343 states and 444 transitions. [2024-11-22 18:17:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:17:55,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 18:17:55,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:55,476 INFO L225 Difference]: With dead ends: 343 [2024-11-22 18:17:55,476 INFO L226 Difference]: Without dead ends: 343 [2024-11-22 18:17:55,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:17:55,478 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 139 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:55,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 791 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-22 18:17:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-22 18:17:55,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 339. [2024-11-22 18:17:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 316 states have (on average 1.2943037974683544) internal successors, (409), 321 states have internal predecessors, (409), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:17:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 439 transitions. [2024-11-22 18:17:55,495 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 439 transitions. Word has length 12 [2024-11-22 18:17:55,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:55,496 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-22 18:17:55,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 439 transitions. [2024-11-22 18:17:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 18:17:55,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:55,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:17:55,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 18:17:55,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:55,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:55,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:55,701 INFO L85 PathProgramCache]: Analyzing trace with hash -559454960, now seen corresponding path program 1 times [2024-11-22 18:17:55,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:55,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379946908] [2024-11-22 18:17:55,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:55,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:55,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:55,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:55,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 18:17:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:55,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:17:55,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:55,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:17:55,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:17:55,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:17:55,903 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 [2024-11-22 18:17:56,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:17:56,009 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 [2024-11-22 18:17:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:56,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:56,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:56,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379946908] [2024-11-22 18:17:56,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379946908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:56,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:56,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:17:56,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369124328] [2024-11-22 18:17:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:56,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:17:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:17:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:17:56,045 INFO L87 Difference]: Start difference. First operand 339 states and 439 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:57,027 INFO L93 Difference]: Finished difference Result 519 states and 679 transitions. [2024-11-22 18:17:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:17:57,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-22 18:17:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:57,030 INFO L225 Difference]: With dead ends: 519 [2024-11-22 18:17:57,030 INFO L226 Difference]: Without dead ends: 519 [2024-11-22 18:17:57,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:17:57,031 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 230 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:57,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 824 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 18:17:57,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-22 18:17:57,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 338. [2024-11-22 18:17:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 315 states have (on average 1.2920634920634921) internal successors, (407), 320 states have internal predecessors, (407), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:17:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 437 transitions. [2024-11-22 18:17:57,046 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 437 transitions. Word has length 15 [2024-11-22 18:17:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:57,046 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 437 transitions. [2024-11-22 18:17:57,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 437 transitions. [2024-11-22 18:17:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 18:17:57,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:57,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:17:57,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-22 18:17:57,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:57,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:57,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1940751512, now seen corresponding path program 1 times [2024-11-22 18:17:57,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:57,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609712574] [2024-11-22 18:17:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:57,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:57,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 18:17:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:57,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 18:17:57,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:57,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:57,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:57,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609712574] [2024-11-22 18:17:57,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609712574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:57,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:57,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:17:57,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558072802] [2024-11-22 18:17:57,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:57,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:17:57,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:57,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:17:57,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:17:57,518 INFO L87 Difference]: Start difference. First operand 338 states and 437 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:57,629 INFO L93 Difference]: Finished difference Result 344 states and 427 transitions. [2024-11-22 18:17:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 18:17:57,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-22 18:17:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:57,631 INFO L225 Difference]: With dead ends: 344 [2024-11-22 18:17:57,631 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 18:17:57,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:17:57,632 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 30 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:57,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 767 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:17:57,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 18:17:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-22 18:17:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 321 states have (on average 1.236760124610592) internal successors, (397), 326 states have internal predecessors, (397), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:17:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 427 transitions. [2024-11-22 18:17:57,653 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 427 transitions. Word has length 50 [2024-11-22 18:17:57,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:57,653 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 427 transitions. [2024-11-22 18:17:57,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 427 transitions. [2024-11-22 18:17:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 18:17:57,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:57,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:17:57,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-22 18:17:57,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:57,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:57,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1486167460, now seen corresponding path program 1 times [2024-11-22 18:17:57,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:57,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649830778] [2024-11-22 18:17:57,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:57,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:57,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:57,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:57,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 18:17:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:58,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:17:58,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:58,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:58,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649830778] [2024-11-22 18:17:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649830778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:58,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:58,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 18:17:58,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247789] [2024-11-22 18:17:58,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:58,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:17:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:58,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:17:58,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:17:58,233 INFO L87 Difference]: Start difference. First operand 344 states and 427 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:58,369 INFO L93 Difference]: Finished difference Result 354 states and 437 transitions. [2024-11-22 18:17:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:17:58,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-22 18:17:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:58,371 INFO L225 Difference]: With dead ends: 354 [2024-11-22 18:17:58,372 INFO L226 Difference]: Without dead ends: 354 [2024-11-22 18:17:58,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:17:58,372 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 9 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:58,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1371 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:17:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-22 18:17:58,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-22 18:17:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 328 states have (on average 1.2347560975609757) internal successors, (405), 334 states have internal predecessors, (405), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 18:17:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 437 transitions. [2024-11-22 18:17:58,383 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 437 transitions. Word has length 50 [2024-11-22 18:17:58,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:58,383 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 437 transitions. [2024-11-22 18:17:58,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:17:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 437 transitions. [2024-11-22 18:17:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 18:17:58,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:58,385 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, 1] [2024-11-22 18:17:58,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-22 18:17:58,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:58,590 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:58,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:58,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1102378676, now seen corresponding path program 1 times [2024-11-22 18:17:58,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:58,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066345248] [2024-11-22 18:17:58,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:58,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:58,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:58,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:58,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 18:17:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:58,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:17:58,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:17:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:17:59,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:17:59,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:17:59,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066345248] [2024-11-22 18:17:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066345248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:17:59,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:17:59,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:17:59,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643913903] [2024-11-22 18:17:59,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:17:59,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:17:59,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:17:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:17:59,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:17:59,212 INFO L87 Difference]: Start difference. First operand 354 states and 437 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 18:17:59,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:17:59,435 INFO L93 Difference]: Finished difference Result 362 states and 447 transitions. [2024-11-22 18:17:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 18:17:59,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2024-11-22 18:17:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:17:59,439 INFO L225 Difference]: With dead ends: 362 [2024-11-22 18:17:59,439 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 18:17:59,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 18:17:59,440 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 20 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 18:17:59,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 990 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 18:17:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 18:17:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2024-11-22 18:17:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 330 states have (on average 1.2333333333333334) internal successors, (407), 337 states have internal predecessors, (407), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-22 18:17:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 442 transitions. [2024-11-22 18:17:59,447 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 442 transitions. Word has length 65 [2024-11-22 18:17:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:17:59,448 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 442 transitions. [2024-11-22 18:17:59,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 18:17:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 442 transitions. [2024-11-22 18:17:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 18:17:59,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:17:59,449 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] [2024-11-22 18:17:59,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-22 18:17:59,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:59,654 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:17:59,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:17:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1344249161, now seen corresponding path program 1 times [2024-11-22 18:17:59,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:17:59,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22447148] [2024-11-22 18:17:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:17:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:17:59,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:17:59,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:17:59,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 18:17:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:17:59,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:17:59,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:18:00,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:18:00,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22447148] [2024-11-22 18:18:00,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22447148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:18:00,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:18:00,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:18:00,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887486101] [2024-11-22 18:18:00,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:18:00,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:18:00,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:00,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:18:00,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:18:00,038 INFO L87 Difference]: Start difference. First operand 358 states and 442 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 18:18:00,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:00,076 INFO L93 Difference]: Finished difference Result 362 states and 447 transitions. [2024-11-22 18:18:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:18:00,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 70 [2024-11-22 18:18:00,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:00,078 INFO L225 Difference]: With dead ends: 362 [2024-11-22 18:18:00,078 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 18:18:00,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:18:00,079 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 0 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:00,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 826 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 18:18:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 18:18:00,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-22 18:18:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 333 states have (on average 1.2342342342342343) internal successors, (411), 341 states have internal predecessors, (411), 19 states have call successors, (19), 7 states have call predecessors, (19), 8 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-22 18:18:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 447 transitions. [2024-11-22 18:18:00,086 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 447 transitions. Word has length 70 [2024-11-22 18:18:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:00,086 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 447 transitions. [2024-11-22 18:18:00,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 18:18:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 447 transitions. [2024-11-22 18:18:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 18:18:00,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:00,090 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] [2024-11-22 18:18:00,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-22 18:18:00,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:00,291 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:00,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:00,291 INFO L85 PathProgramCache]: Analyzing trace with hash 198026384, now seen corresponding path program 1 times [2024-11-22 18:18:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463927774] [2024-11-22 18:18:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:18:00,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:00,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:00,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:00,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 18:18:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:18:00,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 18:18:00,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:18:00,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:18:00,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:00,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463927774] [2024-11-22 18:18:00,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463927774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:00,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:00,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 18:18:00,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413732525] [2024-11-22 18:18:00,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:00,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 18:18:00,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:00,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 18:18:00,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:18:00,815 INFO L87 Difference]: Start difference. First operand 362 states and 447 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:18:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:01,085 INFO L93 Difference]: Finished difference Result 375 states and 465 transitions. [2024-11-22 18:18:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 18:18:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 71 [2024-11-22 18:18:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:01,091 INFO L225 Difference]: With dead ends: 375 [2024-11-22 18:18:01,091 INFO L226 Difference]: Without dead ends: 375 [2024-11-22 18:18:01,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-22 18:18:01,091 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 4 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:01,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1642 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 18:18:01,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-22 18:18:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 372. [2024-11-22 18:18:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 342 states have (on average 1.2456140350877194) internal successors, (426), 350 states have internal predecessors, (426), 19 states have call successors, (19), 8 states have call predecessors, (19), 9 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-22 18:18:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 462 transitions. [2024-11-22 18:18:01,103 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 462 transitions. Word has length 71 [2024-11-22 18:18:01,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:01,103 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 462 transitions. [2024-11-22 18:18:01,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:18:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 462 transitions. [2024-11-22 18:18:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 18:18:01,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:01,105 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-22 18:18:01,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 18:18:01,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:01,306 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:01,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash -502361865, now seen corresponding path program 2 times [2024-11-22 18:18:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595682890] [2024-11-22 18:18:01,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:18:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:01,312 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:01,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 18:18:01,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:18:01,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:01,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 18:18:01,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 18:18:02,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 18:18:02,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595682890] [2024-11-22 18:18:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595682890] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:02,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:02,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-22 18:18:02,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769391416] [2024-11-22 18:18:02,366 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:02,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 18:18:02,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:02,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 18:18:02,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-22 18:18:02,367 INFO L87 Difference]: Start difference. First operand 372 states and 462 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:18:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:04,061 INFO L93 Difference]: Finished difference Result 2726 states and 3450 transitions. [2024-11-22 18:18:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 18:18:04,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2024-11-22 18:18:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:04,074 INFO L225 Difference]: With dead ends: 2726 [2024-11-22 18:18:04,074 INFO L226 Difference]: Without dead ends: 2726 [2024-11-22 18:18:04,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2024-11-22 18:18:04,076 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 2331 mSDsluCounter, 4913 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 5669 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:04,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 5669 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 18:18:04,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2024-11-22 18:18:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 1887. [2024-11-22 18:18:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1793 states have (on average 1.2576687116564418) internal successors, (2255), 1807 states have internal predecessors, (2255), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:18:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2375 transitions. [2024-11-22 18:18:04,149 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2375 transitions. Word has length 74 [2024-11-22 18:18:04,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:04,150 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2375 transitions. [2024-11-22 18:18:04,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:18:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2375 transitions. [2024-11-22 18:18:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 18:18:04,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:04,153 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:18:04,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-22 18:18:04,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:04,354 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:04,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:04,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1616929423, now seen corresponding path program 1 times [2024-11-22 18:18:04,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:04,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530035207] [2024-11-22 18:18:04,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:18:04,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:04,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:04,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:04,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-22 18:18:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:18:04,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 18:18:04,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 18:18:04,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 18:18:05,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:05,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530035207] [2024-11-22 18:18:05,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530035207] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:05,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:05,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 18:18:05,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476465275] [2024-11-22 18:18:05,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:05,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 18:18:05,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:05,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 18:18:05,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-22 18:18:05,360 INFO L87 Difference]: Start difference. First operand 1887 states and 2375 transitions. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:18:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:06,186 INFO L93 Difference]: Finished difference Result 1977 states and 2500 transitions. [2024-11-22 18:18:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 18:18:06,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 110 [2024-11-22 18:18:06,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:06,195 INFO L225 Difference]: With dead ends: 1977 [2024-11-22 18:18:06,195 INFO L226 Difference]: Without dead ends: 1947 [2024-11-22 18:18:06,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-22 18:18:06,196 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 7 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:06,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2732 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 18:18:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-22 18:18:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1932. [2024-11-22 18:18:06,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1838 states have (on average 1.2595212187159956) internal successors, (2315), 1852 states have internal predecessors, (2315), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:18:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2435 transitions. [2024-11-22 18:18:06,249 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2435 transitions. Word has length 110 [2024-11-22 18:18:06,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:06,249 INFO L471 AbstractCegarLoop]: Abstraction has 1932 states and 2435 transitions. [2024-11-22 18:18:06,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:18:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2435 transitions. [2024-11-22 18:18:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-22 18:18:06,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:06,252 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:18:06,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-22 18:18:06,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:06,453 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1059147878, now seen corresponding path program 2 times [2024-11-22 18:18:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:06,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259638539] [2024-11-22 18:18:06,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:18:06,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:06,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:06,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:06,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-22 18:18:06,746 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 18:18:06,746 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:06,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:18:06,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:06,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:18:06,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:18:06,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:18:06,789 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 [2024-11-22 18:18:06,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:18:06,836 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 [2024-11-22 18:18:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-22 18:18:06,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:18:06,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259638539] [2024-11-22 18:18:06,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259638539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:18:06,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:18:06,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:18:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219526385] [2024-11-22 18:18:06,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:18:06,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:18:06,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:06,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:18:06,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:18:06,853 INFO L87 Difference]: Start difference. First operand 1932 states and 2435 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:18:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:07,352 INFO L93 Difference]: Finished difference Result 2702 states and 3455 transitions. [2024-11-22 18:18:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:18:07,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 119 [2024-11-22 18:18:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:07,360 INFO L225 Difference]: With dead ends: 2702 [2024-11-22 18:18:07,360 INFO L226 Difference]: Without dead ends: 2702 [2024-11-22 18:18:07,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:18:07,361 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 215 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:07,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 769 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 18:18:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2024-11-22 18:18:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 1944. [2024-11-22 18:18:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1850 states have (on average 1.2578378378378379) internal successors, (2327), 1864 states have internal predecessors, (2327), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:18:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2447 transitions. [2024-11-22 18:18:07,398 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2447 transitions. Word has length 119 [2024-11-22 18:18:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:07,398 INFO L471 AbstractCegarLoop]: Abstraction has 1944 states and 2447 transitions. [2024-11-22 18:18:07,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:18:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2447 transitions. [2024-11-22 18:18:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 18:18:07,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:07,399 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 18:18:07,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-22 18:18:07,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:07,605 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:07,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:07,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1325047018, now seen corresponding path program 1 times [2024-11-22 18:18:07,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:07,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877076651] [2024-11-22 18:18:07,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:18:07,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:07,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:07,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:07,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-22 18:18:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:18:08,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 18:18:08,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 95 proven. 55 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 18:18:08,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-22 18:18:09,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877076651] [2024-11-22 18:18:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877076651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:09,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:09,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-22 18:18:09,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968442981] [2024-11-22 18:18:09,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:09,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-22 18:18:09,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:09,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-22 18:18:09,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-22 18:18:09,312 INFO L87 Difference]: Start difference. First operand 1944 states and 2447 transitions. Second operand has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:18:12,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:12,317 INFO L93 Difference]: Finished difference Result 2079 states and 2662 transitions. [2024-11-22 18:18:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-22 18:18:12,319 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-22 18:18:12,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:12,330 INFO L225 Difference]: With dead ends: 2079 [2024-11-22 18:18:12,330 INFO L226 Difference]: Without dead ends: 2049 [2024-11-22 18:18:12,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-22 18:18:12,334 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 14 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:12,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3283 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 18:18:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2024-11-22 18:18:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2034. [2024-11-22 18:18:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1940 states have (on average 1.261340206185567) internal successors, (2447), 1954 states have internal predecessors, (2447), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:18:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2567 transitions. [2024-11-22 18:18:12,398 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2567 transitions. Word has length 126 [2024-11-22 18:18:12,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:12,398 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2567 transitions. [2024-11-22 18:18:12,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:18:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2567 transitions. [2024-11-22 18:18:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 18:18:12,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:12,400 INFO L215 NwaCegarLoop]: trace histogram [33, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 18:18:12,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-22 18:18:12,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:12,604 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:12,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:12,605 INFO L85 PathProgramCache]: Analyzing trace with hash -951160330, now seen corresponding path program 2 times [2024-11-22 18:18:12,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562481052] [2024-11-22 18:18:12,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:18:12,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:12,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:12,610 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:12,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-22 18:18:13,852 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:18:13,852 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:13,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 18:18:13,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 317 proven. 253 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-22 18:18:14,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-22 18:18:16,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:16,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562481052] [2024-11-22 18:18:16,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562481052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:16,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:16,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-22 18:18:16,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824685749] [2024-11-22 18:18:16,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:16,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-22 18:18:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:16,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-22 18:18:16,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 18:18:16,460 INFO L87 Difference]: Start difference. First operand 2034 states and 2567 transitions. Second operand has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:18:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:29,294 INFO L93 Difference]: Finished difference Result 2249 states and 2942 transitions. [2024-11-22 18:18:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-22 18:18:29,295 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 144 [2024-11-22 18:18:29,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:29,301 INFO L225 Difference]: With dead ends: 2249 [2024-11-22 18:18:29,301 INFO L226 Difference]: Without dead ends: 2219 [2024-11-22 18:18:29,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-22 18:18:29,304 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 26 mSDsluCounter, 7366 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7643 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:29,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7643 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-22 18:18:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2024-11-22 18:18:29,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2204. [2024-11-22 18:18:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 2110 states have (on average 1.2687203791469195) internal successors, (2677), 2124 states have internal predecessors, (2677), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:18:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 2797 transitions. [2024-11-22 18:18:29,349 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 2797 transitions. Word has length 144 [2024-11-22 18:18:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:29,350 INFO L471 AbstractCegarLoop]: Abstraction has 2204 states and 2797 transitions. [2024-11-22 18:18:29,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:18:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2797 transitions. [2024-11-22 18:18:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 18:18:29,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:29,351 INFO L215 NwaCegarLoop]: trace histogram [67, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 18:18:29,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-22 18:18:29,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:29,556 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:29,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1179384982, now seen corresponding path program 3 times [2024-11-22 18:18:29,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:29,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216023489] [2024-11-22 18:18:29,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:18:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:29,561 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:29,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-22 18:18:30,641 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 18:18:30,641 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:30,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-22 18:18:30,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:30,725 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 44 treesize of output 53 [2024-11-22 18:18:31,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 334 [2024-11-22 18:18:31,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 214 [2024-11-22 18:18:31,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:18:31,033 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 214 treesize of output 94 [2024-11-22 18:18:32,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 116 [2024-11-22 18:18:32,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 68 [2024-11-22 18:18:33,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:18:33,003 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 68 treesize of output 20 [2024-11-22 18:18:33,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:18:33,446 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 214 treesize of output 106 [2024-11-22 18:18:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-11-22 18:18:33,653 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:18:33,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216023489] [2024-11-22 18:18:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216023489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:18:33,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:18:33,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 18:18:33,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537009931] [2024-11-22 18:18:33,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:18:33,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 18:18:33,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 18:18:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 18:18:33,654 INFO L87 Difference]: Start difference. First operand 2204 states and 2797 transitions. Second operand has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 18:18:37,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:18:40,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-22 18:18:42,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-22 18:18:45,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:18:47,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:47,134 INFO L93 Difference]: Finished difference Result 2788 states and 3549 transitions. [2024-11-22 18:18:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 18:18:47,136 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 178 [2024-11-22 18:18:47,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:47,142 INFO L225 Difference]: With dead ends: 2788 [2024-11-22 18:18:47,142 INFO L226 Difference]: Without dead ends: 2773 [2024-11-22 18:18:47,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-22 18:18:47,143 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 276 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 3171 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:47,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 3171 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-22 18:18:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2024-11-22 18:18:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2467. [2024-11-22 18:18:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2364 states have (on average 1.2584602368866329) internal successors, (2975), 2379 states have internal predecessors, (2975), 62 states have call successors, (62), 36 states have call predecessors, (62), 39 states have return successors, (71), 51 states have call predecessors, (71), 58 states have call successors, (71) [2024-11-22 18:18:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3108 transitions. [2024-11-22 18:18:47,171 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3108 transitions. Word has length 178 [2024-11-22 18:18:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:47,171 INFO L471 AbstractCegarLoop]: Abstraction has 2467 states and 3108 transitions. [2024-11-22 18:18:47,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 18:18:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3108 transitions. [2024-11-22 18:18:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-22 18:18:47,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:47,172 INFO L215 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 18:18:47,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-22 18:18:47,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:47,373 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:47,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:47,374 INFO L85 PathProgramCache]: Analyzing trace with hash 389438833, now seen corresponding path program 4 times [2024-11-22 18:18:47,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:47,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123872629] [2024-11-22 18:18:47,375 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 18:18:47,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:47,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:47,378 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:47,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-22 18:18:49,386 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 18:18:49,386 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:49,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:18:49,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2512 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2024-11-22 18:18:49,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:18:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2512 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2024-11-22 18:18:49,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:18:49,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123872629] [2024-11-22 18:18:49,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123872629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:18:49,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:18:49,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 18:18:49,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683595417] [2024-11-22 18:18:49,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:18:49,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 18:18:49,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:18:49,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 18:18:49,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:18:49,640 INFO L87 Difference]: Start difference. First operand 2467 states and 3108 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-22 18:18:49,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:18:49,864 INFO L93 Difference]: Finished difference Result 2497 states and 3128 transitions. [2024-11-22 18:18:49,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 18:18:49,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 179 [2024-11-22 18:18:49,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:18:49,874 INFO L225 Difference]: With dead ends: 2497 [2024-11-22 18:18:49,874 INFO L226 Difference]: Without dead ends: 2467 [2024-11-22 18:18:49,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-22 18:18:49,875 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 4 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:18:49,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1107 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:18:49,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2024-11-22 18:18:49,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2467. [2024-11-22 18:18:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2364 states have (on average 1.252115059221658) internal successors, (2960), 2379 states have internal predecessors, (2960), 62 states have call successors, (62), 36 states have call predecessors, (62), 39 states have return successors, (71), 51 states have call predecessors, (71), 58 states have call successors, (71) [2024-11-22 18:18:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3093 transitions. [2024-11-22 18:18:49,927 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3093 transitions. Word has length 179 [2024-11-22 18:18:49,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:18:49,928 INFO L471 AbstractCegarLoop]: Abstraction has 2467 states and 3093 transitions. [2024-11-22 18:18:49,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-22 18:18:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3093 transitions. [2024-11-22 18:18:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 18:18:49,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:18:49,929 INFO L215 NwaCegarLoop]: trace histogram [71, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 18:18:49,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-22 18:18:50,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:50,130 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:18:50,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:18:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1581964118, now seen corresponding path program 5 times [2024-11-22 18:18:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:18:50,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400928570] [2024-11-22 18:18:50,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 18:18:50,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:18:50,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:18:50,134 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:18:50,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-22 18:18:58,456 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-11-22 18:18:58,457 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:18:58,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-22 18:18:58,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:18:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 1446 proven. 276 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2024-11-22 18:18:59,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:19:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 1083 proven. 399 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2024-11-22 18:19:01,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:19:01,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400928570] [2024-11-22 18:19:01,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400928570] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:19:01,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:19:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-22 18:19:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038730700] [2024-11-22 18:19:01,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:19:01,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-22 18:19:01,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:19:01,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-22 18:19:01,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-22 18:19:01,429 INFO L87 Difference]: Start difference. First operand 2467 states and 3093 transitions. Second operand has 52 states, 52 states have (on average 2.769230769230769) internal successors, (144), 52 states have internal predecessors, (144), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)