./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:07:27,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:07:27,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-17 00:07:27,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:07:27,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:07:27,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:07:27,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:07:27,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:07:27,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:07:27,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:07:27,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:07:27,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:07:27,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:07:27,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:07:27,290 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:07:27,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:07:27,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:07:27,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:07:27,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:07:27,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:07:27,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:07:27,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:07:27,295 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:07:27,295 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:07:27,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:07:27,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:07:27,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:07:27,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:07:27,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:07:27,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:07:27,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:07:27,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:07:27,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:07:27,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:07:27,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:07:27,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:07:27,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:07:27,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:07:27,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:07:27,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:07:27,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:07:27,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:07:27,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:07:27,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:07:27,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:07:27,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2024-11-17 00:07:27,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:07:27,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:07:27,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:07:27,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:07:27,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:07:27,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-17 00:07:29,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:07:29,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:07:29,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-17 00:07:29,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420d56b81/44a9a6ae8a0a414398e104e55e7e62cb/FLAG1fae38844 [2024-11-17 00:07:29,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420d56b81/44a9a6ae8a0a414398e104e55e7e62cb [2024-11-17 00:07:29,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:07:29,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:07:29,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:07:29,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:07:29,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:07:29,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:29" (1/1) ... [2024-11-17 00:07:29,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2282b581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:29, skipping insertion in model container [2024-11-17 00:07:29,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:29" (1/1) ... [2024-11-17 00:07:29,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:07:29,934 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:29,979 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:29,986 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:29,990 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,000 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,042 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,043 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,047 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,048 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,050 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,053 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,053 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,057 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,060 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,060 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,065 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,066 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,066 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,067 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,073 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:30,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:07:30,107 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) [2024-11-17 00:07:30,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fc5c2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:30, skipping insertion in model container [2024-11-17 00:07:30,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:07:30,109 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-17 00:07:30,111 INFO L158 Benchmark]: Toolchain (without parser) took 636.68ms. Allocated memory is still 197.1MB. Free memory was 122.7MB in the beginning and 98.4MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 00:07:30,112 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 00:07:30,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.89ms. Allocated memory is still 197.1MB. Free memory was 122.4MB in the beginning and 98.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 00:07:30,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.89ms. Allocated memory is still 197.1MB. Free memory was 122.4MB in the beginning and 98.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 727]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:07:32,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:07:32,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-17 00:07:32,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:07:32,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:07:32,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:07:32,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:07:32,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:07:32,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:07:32,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:07:32,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:07:32,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:07:32,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:07:32,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:07:32,256 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:07:32,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:07:32,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:07:32,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:07:32,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:07:32,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:07:32,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:07:32,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:07:32,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 00:07:32,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:07:32,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 00:07:32,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:07:32,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:07:32,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:07:32,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:07:32,263 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:07:32,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:07:32,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:07:32,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:07:32,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:07:32,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:07:32,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:07:32,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 00:07:32,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 00:07:32,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:07:32,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:07:32,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:07:32,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:07:32,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2024-11-17 00:07:32,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:07:32,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:07:32,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:07:32,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:07:32,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:07:32,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-17 00:07:34,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:07:34,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:07:34,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-17 00:07:34,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e4ce4e1/42740ef059594fde8b33f9250f73f547/FLAG078afbec9 [2024-11-17 00:07:34,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e4ce4e1/42740ef059594fde8b33f9250f73f547 [2024-11-17 00:07:34,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:07:34,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:07:34,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:07:34,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:07:34,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:07:34,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:34" (1/1) ... [2024-11-17 00:07:34,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e357d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:34, skipping insertion in model container [2024-11-17 00:07:34,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:07:34" (1/1) ... [2024-11-17 00:07:34,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:07:35,145 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,184 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,191 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,196 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,205 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,244 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,245 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,249 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,250 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,253 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,256 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,259 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,259 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,263 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,267 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,268 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,269 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,274 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,274 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,277 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:07:35,307 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-17 00:07:35,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:07:35,340 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,349 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,351 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,352 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,355 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,367 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,368 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,369 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,369 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,371 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,371 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,372 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,372 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,374 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,375 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,376 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,376 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,377 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,377 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,388 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:07:35,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:07:35,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:07:35,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:07:35,516 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:07:35,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35 WrapperNode [2024-11-17 00:07:35,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:07:35,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:07:35,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:07:35,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:07:35,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,614 INFO L138 Inliner]: procedures = 179, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1136 [2024-11-17 00:07:35,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:07:35,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:07:35,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:07:35,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:07:35,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,750 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-17 00:07:35,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,786 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:07:35,819 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:07:35,819 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:07:35,819 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:07:35,820 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (1/1) ... [2024-11-17 00:07:35,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:07:35,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:07:35,852 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) [2024-11-17 00:07:35,863 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 [2024-11-17 00:07:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 00:07:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 00:07:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-17 00:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 00:07:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 00:07:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 00:07:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 00:07:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 00:07:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 00:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 00:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 00:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-17 00:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:07:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:07:36,103 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:07:36,105 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:07:43,564 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 00:07:43,691 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-17 00:07:43,695 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:07:43,723 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:07:43,727 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 00:07:43,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:07:43 BoogieIcfgContainer [2024-11-17 00:07:43,728 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:07:43,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:07:43,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:07:43,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:07:43,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:07:34" (1/3) ... [2024-11-17 00:07:43,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37674e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:07:43, skipping insertion in model container [2024-11-17 00:07:43,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:07:35" (2/3) ... [2024-11-17 00:07:43,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37674e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:07:43, skipping insertion in model container [2024-11-17 00:07:43,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:07:43" (3/3) ... [2024-11-17 00:07:43,744 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2024-11-17 00:07:43,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:07:43,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 00:07:43,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:07:43,878 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;@27e585ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:07:43,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 00:07:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 225 states have (on average 1.6444444444444444) internal successors, (370), 228 states have internal predecessors, (370), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 00:07:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 00:07:43,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:43,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:43,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:43,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:43,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1957966037, now seen corresponding path program 1 times [2024-11-17 00:07:43,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:43,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433360562] [2024-11-17 00:07:43,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:43,929 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 [2024-11-17 00:07:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:43,931 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) [2024-11-17 00:07:43,932 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 [2024-11-17 00:07:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:44,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 00:07:44,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:07:44,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:44,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:44,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433360562] [2024-11-17 00:07:44,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433360562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:44,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:07:44,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197499503] [2024-11-17 00:07:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:44,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 00:07:44,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:44,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 00:07:44,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 00:07:44,179 INFO L87 Difference]: Start difference. First operand has 235 states, 225 states have (on average 1.6444444444444444) internal successors, (370), 228 states have internal predecessors, (370), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-17 00:07:44,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:44,236 INFO L93 Difference]: Finished difference Result 232 states and 298 transitions. [2024-11-17 00:07:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 00:07:44,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2024-11-17 00:07:44,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:44,253 INFO L225 Difference]: With dead ends: 232 [2024-11-17 00:07:44,257 INFO L226 Difference]: Without dead ends: 229 [2024-11-17 00:07:44,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 00:07:44,261 INFO L432 NwaCegarLoop]: 298 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, 298 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 [2024-11-17 00:07:44,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:07:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-17 00:07:44,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-17 00:07:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 221 states have (on average 1.2986425339366516) internal successors, (287), 223 states have internal predecessors, (287), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:07:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 295 transitions. [2024-11-17 00:07:44,335 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 295 transitions. Word has length 11 [2024-11-17 00:07:44,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:44,335 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 295 transitions. [2024-11-17 00:07:44,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-17 00:07:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 295 transitions. [2024-11-17 00:07:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 00:07:44,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:44,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:44,341 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 [2024-11-17 00:07:44,537 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 [2024-11-17 00:07:44,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:44,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash -528860729, now seen corresponding path program 1 times [2024-11-17 00:07:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:44,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275687881] [2024-11-17 00:07:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:44,543 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 [2024-11-17 00:07:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:44,546 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) [2024-11-17 00:07:44,547 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 [2024-11-17 00:07:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:44,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 00:07:44,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:07:44,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:44,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:44,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275687881] [2024-11-17 00:07:44,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275687881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:44,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:44,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806438032] [2024-11-17 00:07:44,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:44,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:44,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:44,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:44,815 INFO L87 Difference]: Start difference. First operand 229 states and 295 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 00:07:49,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:07:52,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:07:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:52,610 INFO L93 Difference]: Finished difference Result 381 states and 491 transitions. [2024-11-17 00:07:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:07:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13 [2024-11-17 00:07:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:52,614 INFO L225 Difference]: With dead ends: 381 [2024-11-17 00:07:52,614 INFO L226 Difference]: Without dead ends: 381 [2024-11-17 00:07:52,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:52,615 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 188 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:52,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 829 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2024-11-17 00:07:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-17 00:07:52,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 347. [2024-11-17 00:07:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 339 states have (on average 1.2979351032448379) internal successors, (440), 341 states have internal predecessors, (440), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:07:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 448 transitions. [2024-11-17 00:07:52,633 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 448 transitions. Word has length 13 [2024-11-17 00:07:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:52,633 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 448 transitions. [2024-11-17 00:07:52,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 00:07:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 448 transitions. [2024-11-17 00:07:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 00:07:52,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:52,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:52,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 00:07:52,834 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 [2024-11-17 00:07:52,835 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:52,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1082675443, now seen corresponding path program 1 times [2024-11-17 00:07:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132238699] [2024-11-17 00:07:52,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:52,837 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 [2024-11-17 00:07:52,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:52,840 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) [2024-11-17 00:07:52,841 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 [2024-11-17 00:07:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:52,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 00:07:53,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:53,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:53,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:53,028 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:53,036 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 [2024-11-17 00:07:53,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:07:53,099 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 [2024-11-17 00:07:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:07:53,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:53,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:53,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132238699] [2024-11-17 00:07:53,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132238699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:53,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:53,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873043518] [2024-11-17 00:07:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:53,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:53,122 INFO L87 Difference]: Start difference. First operand 347 states and 448 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:07:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:53,578 INFO L93 Difference]: Finished difference Result 545 states and 708 transitions. [2024-11-17 00:07:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:07:53,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-17 00:07:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:53,581 INFO L225 Difference]: With dead ends: 545 [2024-11-17 00:07:53,581 INFO L226 Difference]: Without dead ends: 545 [2024-11-17 00:07:53,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:53,582 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 269 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:53,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 873 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:07:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-17 00:07:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 346. [2024-11-17 00:07:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 338 states have (on average 1.2958579881656804) internal successors, (438), 340 states have internal predecessors, (438), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:07:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 446 transitions. [2024-11-17 00:07:53,598 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 446 transitions. Word has length 18 [2024-11-17 00:07:53,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:53,599 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 446 transitions. [2024-11-17 00:07:53,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:07:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 446 transitions. [2024-11-17 00:07:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 00:07:53,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:53,601 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:53,607 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 [2024-11-17 00:07:53,804 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 [2024-11-17 00:07:53,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:53,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:53,806 INFO L85 PathProgramCache]: Analyzing trace with hash 281935288, now seen corresponding path program 1 times [2024-11-17 00:07:53,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:53,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327679083] [2024-11-17 00:07:53,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:53,807 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 [2024-11-17 00:07:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:53,810 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) [2024-11-17 00:07:53,811 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 (5)] Waiting until timeout for monitored process [2024-11-17 00:07:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:54,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:07:54,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:07:54,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:54,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:54,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327679083] [2024-11-17 00:07:54,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327679083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:54,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:54,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:54,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140747067] [2024-11-17 00:07:54,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:54,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:54,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:54,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:54,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:54,214 INFO L87 Difference]: Start difference. First operand 346 states and 446 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:54,320 INFO L93 Difference]: Finished difference Result 352 states and 436 transitions. [2024-11-17 00:07:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:07:54,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-17 00:07:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:54,322 INFO L225 Difference]: With dead ends: 352 [2024-11-17 00:07:54,322 INFO L226 Difference]: Without dead ends: 352 [2024-11-17 00:07:54,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:54,323 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 30 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 775 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 [2024-11-17 00:07:54,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 775 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:07:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-17 00:07:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-17 00:07:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 344 states have (on average 1.244186046511628) internal successors, (428), 346 states have internal predecessors, (428), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:07:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 436 transitions. [2024-11-17 00:07:54,332 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 436 transitions. Word has length 85 [2024-11-17 00:07:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:54,332 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 436 transitions. [2024-11-17 00:07:54,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 436 transitions. [2024-11-17 00:07:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 00:07:54,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:54,335 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:54,344 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 (5)] Forceful destruction successful, exit code 0 [2024-11-17 00:07:54,538 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 [2024-11-17 00:07:54,539 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:54,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:54,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2082652161, now seen corresponding path program 1 times [2024-11-17 00:07:54,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:54,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644487586] [2024-11-17 00:07:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:54,541 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 [2024-11-17 00:07:54,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:54,543 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) [2024-11-17 00:07:54,544 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 [2024-11-17 00:07:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:54,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 00:07:54,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:07:55,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:55,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:55,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644487586] [2024-11-17 00:07:55,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644487586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:55,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:55,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:07:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477742924] [2024-11-17 00:07:55,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:55,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:07:55,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:55,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:07:55,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:55,027 INFO L87 Difference]: Start difference. First operand 352 states and 436 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:55,099 INFO L93 Difference]: Finished difference Result 340 states and 416 transitions. [2024-11-17 00:07:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:07:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-17 00:07:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:55,100 INFO L225 Difference]: With dead ends: 340 [2024-11-17 00:07:55,100 INFO L226 Difference]: Without dead ends: 340 [2024-11-17 00:07:55,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:55,101 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 0 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:55,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 772 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:07:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-17 00:07:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-17 00:07:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 332 states have (on average 1.2289156626506024) internal successors, (408), 334 states have internal predecessors, (408), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:07:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 416 transitions. [2024-11-17 00:07:55,115 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 416 transitions. Word has length 85 [2024-11-17 00:07:55,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:55,115 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 416 transitions. [2024-11-17 00:07:55,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 416 transitions. [2024-11-17 00:07:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 00:07:55,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:55,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:55,136 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 [2024-11-17 00:07:55,321 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 [2024-11-17 00:07:55,321 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:55,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:55,322 INFO L85 PathProgramCache]: Analyzing trace with hash -157118850, now seen corresponding path program 1 times [2024-11-17 00:07:55,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:55,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355358929] [2024-11-17 00:07:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:55,323 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 [2024-11-17 00:07:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:55,324 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) [2024-11-17 00:07:55,326 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 [2024-11-17 00:07:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:55,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:07:55,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:07:55,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:55,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355358929] [2024-11-17 00:07:55,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355358929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:55,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:55,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:55,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292103079] [2024-11-17 00:07:55,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:55,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:55,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:55,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:55,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:55,730 INFO L87 Difference]: Start difference. First operand 340 states and 416 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 00:07:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:55,757 INFO L93 Difference]: Finished difference Result 343 states and 420 transitions. [2024-11-17 00:07:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:07:55,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 85 [2024-11-17 00:07:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:55,760 INFO L225 Difference]: With dead ends: 343 [2024-11-17 00:07:55,760 INFO L226 Difference]: Without dead ends: 343 [2024-11-17 00:07:55,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:55,761 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:55,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 827 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:07:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-17 00:07:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-17 00:07:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 334 states have (on average 1.2305389221556886) internal successors, (411), 337 states have internal predecessors, (411), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:07:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 420 transitions. [2024-11-17 00:07:55,767 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 420 transitions. Word has length 85 [2024-11-17 00:07:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:55,768 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 420 transitions. [2024-11-17 00:07:55,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 00:07:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 420 transitions. [2024-11-17 00:07:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 00:07:55,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:55,769 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 00:07:55,782 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 [2024-11-17 00:07:55,969 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 [2024-11-17 00:07:55,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:55,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:55,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1771144350, now seen corresponding path program 1 times [2024-11-17 00:07:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:55,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100954112] [2024-11-17 00:07:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:55,972 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 [2024-11-17 00:07:55,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:55,975 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) [2024-11-17 00:07:55,988 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 [2024-11-17 00:07:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:56,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 00:07:56,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 00:07:56,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:07:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 00:07:56,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:56,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100954112] [2024-11-17 00:07:56,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100954112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:07:56,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:07:56,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 00:07:56,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578143560] [2024-11-17 00:07:56,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:07:56,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:07:56,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:56,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:07:56,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:07:56,472 INFO L87 Difference]: Start difference. First operand 343 states and 420 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:07:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:56,607 INFO L93 Difference]: Finished difference Result 354 states and 436 transitions. [2024-11-17 00:07:56,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 00:07:56,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2024-11-17 00:07:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:56,610 INFO L225 Difference]: With dead ends: 354 [2024-11-17 00:07:56,610 INFO L226 Difference]: Without dead ends: 354 [2024-11-17 00:07:56,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:07:56,611 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 4 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:56,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1102 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:07:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-17 00:07:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2024-11-17 00:07:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.2426900584795322) internal successors, (425), 345 states have internal predecessors, (425), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:07:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 434 transitions. [2024-11-17 00:07:56,617 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 434 transitions. Word has length 87 [2024-11-17 00:07:56,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:56,617 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 434 transitions. [2024-11-17 00:07:56,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:07:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 434 transitions. [2024-11-17 00:07:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 00:07:56,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:56,618 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-11-17 00:07:56,630 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 [2024-11-17 00:07:56,819 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 [2024-11-17 00:07:56,820 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:56,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1306617378, now seen corresponding path program 2 times [2024-11-17 00:07:56,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:56,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713010892] [2024-11-17 00:07:56,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:07:56,821 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 [2024-11-17 00:07:56,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:56,823 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) [2024-11-17 00:07:56,824 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 [2024-11-17 00:07:57,069 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 00:07:57,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:07:57,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 00:07:57,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:57,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:57,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:57,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:07:57,088 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 [2024-11-17 00:07:57,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:07:57,123 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 [2024-11-17 00:07:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-17 00:07:57,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:57,134 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:57,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713010892] [2024-11-17 00:07:57,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713010892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:57,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:57,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:57,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245095927] [2024-11-17 00:07:57,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:57,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:57,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:57,136 INFO L87 Difference]: Start difference. First operand 352 states and 434 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:57,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:57,489 INFO L93 Difference]: Finished difference Result 515 states and 648 transitions. [2024-11-17 00:07:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:07:57,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 91 [2024-11-17 00:07:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:57,495 INFO L225 Difference]: With dead ends: 515 [2024-11-17 00:07:57,495 INFO L226 Difference]: Without dead ends: 515 [2024-11-17 00:07:57,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:57,495 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 207 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:57,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 831 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 00:07:57,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-17 00:07:57,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 354. [2024-11-17 00:07:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 344 states have (on average 1.2412790697674418) internal successors, (427), 347 states have internal predecessors, (427), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:07:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 436 transitions. [2024-11-17 00:07:57,512 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 436 transitions. Word has length 91 [2024-11-17 00:07:57,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:57,512 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 436 transitions. [2024-11-17 00:07:57,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 436 transitions. [2024-11-17 00:07:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 00:07:57,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:57,514 INFO L215 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:57,522 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 [2024-11-17 00:07:57,714 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 [2024-11-17 00:07:57,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:57,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash 348349103, now seen corresponding path program 1 times [2024-11-17 00:07:57,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:57,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135377630] [2024-11-17 00:07:57,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:57,716 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 [2024-11-17 00:07:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:57,718 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) [2024-11-17 00:07:57,720 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 [2024-11-17 00:07:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:07:58,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 00:07:58,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:07:58,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:07:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:07:58,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:58,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135377630] [2024-11-17 00:07:58,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135377630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:07:58,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:07:58,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-17 00:07:58,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057195715] [2024-11-17 00:07:58,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:07:58,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 00:07:58,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:58,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 00:07:58,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:07:58,390 INFO L87 Difference]: Start difference. First operand 354 states and 436 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:07:58,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:58,804 INFO L93 Difference]: Finished difference Result 369 states and 458 transitions. [2024-11-17 00:07:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 00:07:58,805 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 127 [2024-11-17 00:07:58,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:58,806 INFO L225 Difference]: With dead ends: 369 [2024-11-17 00:07:58,807 INFO L226 Difference]: Without dead ends: 365 [2024-11-17 00:07:58,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-17 00:07:58,808 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 8 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:07:58,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2471 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:07:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-17 00:07:58,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 363. [2024-11-17 00:07:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 353 states have (on average 1.2436260623229463) internal successors, (439), 356 states have internal predecessors, (439), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:07:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 448 transitions. [2024-11-17 00:07:58,821 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 448 transitions. Word has length 127 [2024-11-17 00:07:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:58,822 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 448 transitions. [2024-11-17 00:07:58,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:07:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 448 transitions. [2024-11-17 00:07:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-17 00:07:58,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:58,823 INFO L215 NwaCegarLoop]: trace histogram [15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:58,838 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 [2024-11-17 00:07:59,027 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 [2024-11-17 00:07:59,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:59,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash -479464624, now seen corresponding path program 2 times [2024-11-17 00:07:59,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:59,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440258903] [2024-11-17 00:07:59,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:07:59,028 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 [2024-11-17 00:07:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:59,030 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) [2024-11-17 00:07:59,032 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 [2024-11-17 00:07:59,316 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 00:07:59,316 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:07:59,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:07:59,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:07:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-17 00:07:59,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:07:59,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:07:59,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440258903] [2024-11-17 00:07:59,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440258903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:07:59,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:07:59,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:07:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632755716] [2024-11-17 00:07:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:07:59,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:07:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:07:59,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:07:59,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:07:59,341 INFO L87 Difference]: Start difference. First operand 363 states and 448 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:07:59,423 INFO L93 Difference]: Finished difference Result 369 states and 438 transitions. [2024-11-17 00:07:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:07:59,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 136 [2024-11-17 00:07:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:07:59,425 INFO L225 Difference]: With dead ends: 369 [2024-11-17 00:07:59,425 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 00:07:59,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:07:59,426 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 30 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 730 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 [2024-11-17 00:07:59,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 730 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:07:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 00:07:59,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-11-17 00:07:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 359 states have (on average 1.1949860724233983) internal successors, (429), 362 states have internal predecessors, (429), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:07:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 438 transitions. [2024-11-17 00:07:59,431 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 438 transitions. Word has length 136 [2024-11-17 00:07:59,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:07:59,431 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 438 transitions. [2024-11-17 00:07:59,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:07:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 438 transitions. [2024-11-17 00:07:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-17 00:07:59,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:07:59,433 INFO L215 NwaCegarLoop]: trace histogram [15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:07:59,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-17 00:07:59,633 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 [2024-11-17 00:07:59,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:07:59,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:07:59,634 INFO L85 PathProgramCache]: Analyzing trace with hash 206816425, now seen corresponding path program 1 times [2024-11-17 00:07:59,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:07:59,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053650263] [2024-11-17 00:07:59,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:07:59,635 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 [2024-11-17 00:07:59,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:07:59,637 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) [2024-11-17 00:07:59,643 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 [2024-11-17 00:08:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:00,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 00:08:00,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:08:00,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:08:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 00:08:00,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:08:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053650263] [2024-11-17 00:08:00,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053650263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:08:00,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:08:00,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-17 00:08:00,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437136299] [2024-11-17 00:08:00,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:08:00,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 00:08:00,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:08:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 00:08:00,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-17 00:08:00,755 INFO L87 Difference]: Start difference. First operand 369 states and 438 transitions. Second operand has 26 states, 26 states have (on average 5.538461538461538) internal successors, (144), 26 states have internal predecessors, (144), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:02,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:02,663 INFO L93 Difference]: Finished difference Result 393 states and 478 transitions. [2024-11-17 00:08:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 00:08:02,667 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.538461538461538) internal successors, (144), 26 states have internal predecessors, (144), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 136 [2024-11-17 00:08:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:02,668 INFO L225 Difference]: With dead ends: 393 [2024-11-17 00:08:02,668 INFO L226 Difference]: Without dead ends: 389 [2024-11-17 00:08:02,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 00:08:02,669 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 13 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:02,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3434 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 00:08:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-17 00:08:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2024-11-17 00:08:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 377 states have (on average 1.2015915119363396) internal successors, (453), 380 states have internal predecessors, (453), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:08:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 462 transitions. [2024-11-17 00:08:02,677 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 462 transitions. Word has length 136 [2024-11-17 00:08:02,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:02,678 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 462 transitions. [2024-11-17 00:08:02,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.538461538461538) internal successors, (144), 26 states have internal predecessors, (144), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 462 transitions. [2024-11-17 00:08:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-17 00:08:02,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:02,680 INFO L215 NwaCegarLoop]: trace histogram [33, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:02,692 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 [2024-11-17 00:08:02,880 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 [2024-11-17 00:08:02,881 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:02,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2017974647, now seen corresponding path program 2 times [2024-11-17 00:08:02,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:08:02,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881190686] [2024-11-17 00:08:02,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:08:02,882 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 [2024-11-17 00:08:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:08:02,883 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) [2024-11-17 00:08:02,885 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 [2024-11-17 00:08:03,558 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 00:08:03,559 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:08:03,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 00:08:03,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 281 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-17 00:08:04,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:08:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 00:08:05,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:08:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881190686] [2024-11-17 00:08:05,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881190686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:08:05,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:08:05,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-17 00:08:05,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238443461] [2024-11-17 00:08:05,619 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:08:05,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-17 00:08:05,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:08:05,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-17 00:08:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 00:08:05,621 INFO L87 Difference]: Start difference. First operand 387 states and 462 transitions. Second operand has 50 states, 50 states have (on average 3.36) internal successors, (168), 50 states have internal predecessors, (168), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:10,939 INFO L93 Difference]: Finished difference Result 427 states and 534 transitions. [2024-11-17 00:08:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-17 00:08:10,940 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.36) internal successors, (168), 50 states have internal predecessors, (168), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 154 [2024-11-17 00:08:10,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:10,942 INFO L225 Difference]: With dead ends: 427 [2024-11-17 00:08:10,942 INFO L226 Difference]: Without dead ends: 423 [2024-11-17 00:08:10,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-17 00:08:10,944 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 26 mSDsluCounter, 6075 mSDsCounter, 0 mSdLazyCounter, 1912 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6341 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:10,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6341 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1912 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 00:08:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-17 00:08:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 421. [2024-11-17 00:08:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 411 states have (on average 1.2141119221411192) internal successors, (499), 414 states have internal predecessors, (499), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:08:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 508 transitions. [2024-11-17 00:08:10,951 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 508 transitions. Word has length 154 [2024-11-17 00:08:10,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:10,951 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 508 transitions. [2024-11-17 00:08:10,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.36) internal successors, (168), 50 states have internal predecessors, (168), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 508 transitions. [2024-11-17 00:08:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-17 00:08:10,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:10,953 INFO L215 NwaCegarLoop]: trace histogram [67, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:10,971 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 [2024-11-17 00:08:11,153 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 [2024-11-17 00:08:11,153 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:11,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -427652631, now seen corresponding path program 3 times [2024-11-17 00:08:11,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:08:11,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697436739] [2024-11-17 00:08:11,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 00:08:11,155 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 [2024-11-17 00:08:11,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:08:11,158 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) [2024-11-17 00:08:11,159 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 [2024-11-17 00:08:11,692 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 00:08:11,693 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:08:11,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:08:11,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2024-11-17 00:08:11,912 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:08:11,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:08:11,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697436739] [2024-11-17 00:08:11,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697436739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:11,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:11,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:08:11,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807967841] [2024-11-17 00:08:11,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:11,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:08:11,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:08:11,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:08:11,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:11,913 INFO L87 Difference]: Start difference. First operand 421 states and 508 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:08:16,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:08:20,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:08:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:21,564 INFO L93 Difference]: Finished difference Result 515 states and 621 transitions. [2024-11-17 00:08:21,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:08:21,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 188 [2024-11-17 00:08:21,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:21,571 INFO L225 Difference]: With dead ends: 515 [2024-11-17 00:08:21,571 INFO L226 Difference]: Without dead ends: 515 [2024-11-17 00:08:21,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:08:21,572 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 400 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:21,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 495 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-17 00:08:21,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-17 00:08:21,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 512. [2024-11-17 00:08:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 502 states have (on average 1.2131474103585658) internal successors, (609), 505 states have internal predecessors, (609), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:08:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 618 transitions. [2024-11-17 00:08:21,588 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 618 transitions. Word has length 188 [2024-11-17 00:08:21,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:21,592 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 618 transitions. [2024-11-17 00:08:21,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:08:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 618 transitions. [2024-11-17 00:08:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 00:08:21,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:21,594 INFO L215 NwaCegarLoop]: trace histogram [67, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:21,621 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 [2024-11-17 00:08:21,794 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 [2024-11-17 00:08:21,794 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:21,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:21,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1895436342, now seen corresponding path program 1 times [2024-11-17 00:08:21,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:08:21,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932324031] [2024-11-17 00:08:21,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:21,795 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 [2024-11-17 00:08:21,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:08:21,799 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) [2024-11-17 00:08:21,800 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 [2024-11-17 00:08:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:23,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-17 00:08:23,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:08:23,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:08:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:08:26,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:08:26,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932324031] [2024-11-17 00:08:26,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932324031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:08:26,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:08:26,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-17 00:08:26,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421523616] [2024-11-17 00:08:26,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:08:26,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-17 00:08:26,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:08:26,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-17 00:08:26,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-17 00:08:26,144 INFO L87 Difference]: Start difference. First operand 512 states and 618 transitions. Second operand has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 00:08:33,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:33,362 INFO L93 Difference]: Finished difference Result 541 states and 672 transitions. [2024-11-17 00:08:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-17 00:08:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 197 [2024-11-17 00:08:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:33,366 INFO L225 Difference]: With dead ends: 541 [2024-11-17 00:08:33,367 INFO L226 Difference]: Without dead ends: 541 [2024-11-17 00:08:33,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 00:08:33,369 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 26 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7104 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:33,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7104 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 00:08:33,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-17 00:08:33,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2024-11-17 00:08:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 527 states have (on average 1.2504743833017078) internal successors, (659), 530 states have internal predecessors, (659), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 00:08:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 668 transitions. [2024-11-17 00:08:33,376 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 668 transitions. Word has length 197 [2024-11-17 00:08:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:33,376 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 668 transitions. [2024-11-17 00:08:33,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 00:08:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 668 transitions. [2024-11-17 00:08:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-17 00:08:33,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:33,378 INFO L215 NwaCegarLoop]: trace histogram [92, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:33,398 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 (15)] Ended with exit code 0 [2024-11-17 00:08:33,582 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 [2024-11-17 00:08:33,583 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:33,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -868760169, now seen corresponding path program 2 times [2024-11-17 00:08:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:08:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564099052] [2024-11-17 00:08:33,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:08:33,585 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 [2024-11-17 00:08:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:08:33,587 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) [2024-11-17 00:08:33,588 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 [2024-11-17 00:08:35,265 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 00:08:35,265 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:08:35,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-17 00:08:35,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:08:37,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:08:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:08:42,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:08:42,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564099052] [2024-11-17 00:08:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564099052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:08:42,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:08:42,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-17 00:08:42,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281384482] [2024-11-17 00:08:42,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:08:42,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-17 00:08:42,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:08:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-17 00:08:42,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-17 00:08:42,639 INFO L87 Difference]: Start difference. First operand 537 states and 668 transitions. Second operand has 102 states, 102 states have (on average 2.2058823529411766) internal successors, (225), 102 states have internal predecessors, (225), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)