./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8be7027f 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_SAX_test9-2.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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 13:05:29,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 13:05:29,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-12 13:05:29,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 13:05:29,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 13:05:29,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 13:05:29,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 13:05:29,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 13:05:29,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 13:05:29,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 13:05:29,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 13:05:29,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 13:05:29,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 13:05:29,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 13:05:29,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 13:05:29,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 13:05:29,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 13:05:29,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 13:05:29,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 13:05:29,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 13:05:29,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 13:05:29,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 13:05:29,353 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 13:05:29,353 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 13:05:29,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 13:05:29,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 13:05:29,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 13:05:29,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 13:05:29,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 13:05:29,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 13:05:29,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 13:05:29,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 13:05:29,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 13:05:29,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 13:05:29,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 13:05:29,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 13:05:29,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:05:29,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 13:05:29,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 13:05:29,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 13:05:29,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 13:05:29,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 13:05:29,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 13:05:29,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 13:05:29,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 13:05:29,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2024-11-12 13:05:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 13:05:29,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 13:05:29,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 13:05:29,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 13:05:29,634 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 13:05:29,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2024-11-12 13:05:31,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 13:05:31,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 13:05:31,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2024-11-12 13:05:31,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e162dc258/232f7fde562b48c59fbe3bab52a23e9b/FLAGfffec69da [2024-11-12 13:05:31,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e162dc258/232f7fde562b48c59fbe3bab52a23e9b [2024-11-12 13:05:31,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 13:05:31,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 13:05:31,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 13:05:31,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 13:05:31,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 13:05:31,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:05:31" (1/1) ... [2024-11-12 13:05:31,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2356df57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:31, skipping insertion in model container [2024-11-12 13:05:31,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:05:31" (1/1) ... [2024-11-12 13:05:31,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:05:32,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,480 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,486 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,502 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,502 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,505 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,506 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:32,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:05:32,521 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) [2024-11-12 13:05:32,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bebef5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:32, skipping insertion in model container [2024-11-12 13:05:32,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 13:05:32,523 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-12 13:05:32,524 INFO L158 Benchmark]: Toolchain (without parser) took 851.63ms. Allocated memory is still 167.8MB. Free memory was 89.7MB in the beginning and 109.2MB in the end (delta: -19.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-12 13:05:32,524 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 122.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 13:05:32,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.65ms. Allocated memory is still 167.8MB. Free memory was 89.5MB in the beginning and 109.2MB in the end (delta: -19.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-12 13:05:32,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 122.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.65ms. Allocated memory is still 167.8MB. Free memory was 89.5MB in the beginning and 109.2MB in the end (delta: -19.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2239]: 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_SAX_test9-2.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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 13:05:34,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 13:05:34,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-12 13:05:34,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 13:05:34,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 13:05:34,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 13:05:34,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 13:05:34,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 13:05:34,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 13:05:34,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 13:05:34,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 13:05:34,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 13:05:34,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 13:05:34,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 13:05:34,476 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 13:05:34,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 13:05:34,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 13:05:34,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 13:05:34,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 13:05:34,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 13:05:34,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 13:05:34,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 13:05:34,479 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 13:05:34,479 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 13:05:34,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 13:05:34,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 13:05:34,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 13:05:34,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 13:05:34,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 13:05:34,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 13:05:34,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 13:05:34,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 13:05:34,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 13:05:34,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 13:05:34,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 13:05:34,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 13:05:34,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 13:05:34,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 13:05:34,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:05:34,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 13:05:34,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 13:05:34,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 13:05:34,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2024-11-12 13:05:34,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 13:05:34,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 13:05:34,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 13:05:34,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 13:05:34,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 13:05:34,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2024-11-12 13:05:36,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 13:05:36,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 13:05:36,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2024-11-12 13:05:36,526 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a411c38de/cc45dbe51f424fcd9d403d59d9b96014/FLAGf268597e5 [2024-11-12 13:05:36,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a411c38de/cc45dbe51f424fcd9d403d59d9b96014 [2024-11-12 13:05:36,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 13:05:36,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 13:05:36,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 13:05:36,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 13:05:36,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 13:05:36,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:05:36" (1/1) ... [2024-11-12 13:05:36,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a21fe1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:36, skipping insertion in model container [2024-11-12 13:05:36,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:05:36" (1/1) ... [2024-11-12 13:05:36,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:05:37,303 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,320 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,323 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,329 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,361 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,361 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,363 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,364 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,365 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,370 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:05:37,384 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-12 13:05:37,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:05:37,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,472 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,474 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,493 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,493 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:05:37,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:05:37,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 13:05:37,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:05:37,654 INFO L204 MainTranslator]: Completed translation [2024-11-12 13:05:37,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37 WrapperNode [2024-11-12 13:05:37,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 13:05:37,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 13:05:37,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 13:05:37,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 13:05:37,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,811 INFO L138 Inliner]: procedures = 180, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3043 [2024-11-12 13:05:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 13:05:37,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 13:05:37,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 13:05:37,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 13:05:37,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,902 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-12 13:05:37,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:37,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:38,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:38,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:38,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 13:05:38,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 13:05:38,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 13:05:38,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 13:05:38,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (1/1) ... [2024-11-12 13:05:38,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:05:38,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 13:05:38,076 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) [2024-11-12 13:05:38,092 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 [2024-11-12 13:05:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-12 13:05:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-12 13:05:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-12 13:05:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 13:05:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 13:05:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 13:05:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 13:05:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 13:05:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 13:05:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 13:05:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 13:05:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 13:05:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-12 13:05:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 13:05:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 13:05:38,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 13:05:38,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 13:05:46,708 INFO L? ?]: Removed 638 outVars from TransFormulas that were not future-live. [2024-11-12 13:05:46,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 13:05:46,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 13:05:46,757 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-12 13:05:46,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:05:46 BoogieIcfgContainer [2024-11-12 13:05:46,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 13:05:46,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 13:05:46,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 13:05:46,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 13:05:46,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:05:36" (1/3) ... [2024-11-12 13:05:46,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bb701d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:05:46, skipping insertion in model container [2024-11-12 13:05:46,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:05:37" (2/3) ... [2024-11-12 13:05:46,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bb701d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:05:46, skipping insertion in model container [2024-11-12 13:05:46,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:05:46" (3/3) ... [2024-11-12 13:05:46,770 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2024-11-12 13:05:46,793 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 13:05:46,794 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 13:05:46,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 13:05:46,894 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;@40c12211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 13:05:46,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 13:05:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 1207 states, 696 states have (on average 1.9022988505747127) internal successors, (1324), 1200 states have internal predecessors, (1324), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-12 13:05:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 13:05:46,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:46,907 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:05:46,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:46,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1758600992, now seen corresponding path program 1 times [2024-11-12 13:05:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:46,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735620009] [2024-11-12 13:05:46,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:46,920 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 [2024-11-12 13:05:46,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:46,923 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) [2024-11-12 13:05:46,956 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 [2024-11-12 13:05:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:47,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 13:05:47,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:05:47,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:47,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:47,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735620009] [2024-11-12 13:05:47,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735620009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:47,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:47,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 13:05:47,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290403760] [2024-11-12 13:05:47,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:47,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 13:05:47,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 13:05:47,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 13:05:47,120 INFO L87 Difference]: Start difference. First operand has 1207 states, 696 states have (on average 1.9022988505747127) internal successors, (1324), 1200 states have internal predecessors, (1324), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) 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) [2024-11-12 13:05:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:47,190 INFO L93 Difference]: Finished difference Result 1205 states and 2262 transitions. [2024-11-12 13:05:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 13:05:47,196 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 [2024-11-12 13:05:47,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:47,223 INFO L225 Difference]: With dead ends: 1205 [2024-11-12 13:05:47,223 INFO L226 Difference]: Without dead ends: 1203 [2024-11-12 13:05:47,225 INFO L434 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 [2024-11-12 13:05:47,228 INFO L435 NwaCegarLoop]: 2262 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, 2262 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 [2024-11-12 13:05:47,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:05:47,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-11-12 13:05:47,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2024-11-12 13:05:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 694 states have (on average 1.8040345821325647) internal successors, (1252), 1196 states have internal predecessors, (1252), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-12 13:05:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 2260 transitions. [2024-11-12 13:05:47,482 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 2260 transitions. Word has length 11 [2024-11-12 13:05:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:47,482 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 2260 transitions. [2024-11-12 13:05:47,483 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) [2024-11-12 13:05:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2260 transitions. [2024-11-12 13:05:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 13:05:47,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:47,483 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:05:47,492 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 [2024-11-12 13:05:47,688 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 [2024-11-12 13:05:47,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:47,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash 527959264, now seen corresponding path program 1 times [2024-11-12 13:05:47,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:47,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778973282] [2024-11-12 13:05:47,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:47,691 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 [2024-11-12 13:05:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:47,693 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) [2024-11-12 13:05:47,694 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 [2024-11-12 13:05:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:47,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 13:05:47,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:05:47,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:47,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:47,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778973282] [2024-11-12 13:05:47,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778973282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:47,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:47,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 13:05:47,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709788211] [2024-11-12 13:05:47,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:47,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 13:05:47,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:47,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 13:05:47,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:05:47,949 INFO L87 Difference]: Start difference. First operand 1203 states and 2260 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-12 13:05:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:48,999 INFO L93 Difference]: Finished difference Result 2325 states and 4418 transitions. [2024-11-12 13:05:49,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 13:05:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-12 13:05:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:49,012 INFO L225 Difference]: With dead ends: 2325 [2024-11-12 13:05:49,012 INFO L226 Difference]: Without dead ends: 2325 [2024-11-12 13:05:49,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:05:49,013 INFO L435 NwaCegarLoop]: 2248 mSDtfsCounter, 1148 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:05:49,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 4482 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 13:05:49,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2024-11-12 13:05:49,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2293. [2024-11-12 13:05:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 1284 states have (on average 1.8450155763239875) internal successors, (2369), 2286 states have internal predecessors, (2369), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-12 13:05:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 4377 transitions. [2024-11-12 13:05:49,542 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 4377 transitions. Word has length 13 [2024-11-12 13:05:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:49,542 INFO L471 AbstractCegarLoop]: Abstraction has 2293 states and 4377 transitions. [2024-11-12 13:05:49,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-12 13:05:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 4377 transitions. [2024-11-12 13:05:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 13:05:49,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:49,543 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:05:49,553 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 [2024-11-12 13:05:49,746 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 [2024-11-12 13:05:49,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:49,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:49,747 INFO L85 PathProgramCache]: Analyzing trace with hash 529806306, now seen corresponding path program 1 times [2024-11-12 13:05:49,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:49,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745258008] [2024-11-12 13:05:49,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:49,747 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 [2024-11-12 13:05:49,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:49,749 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) [2024-11-12 13:05:49,751 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 [2024-11-12 13:05:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:49,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 13:05:49,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:49,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 13:05:49,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 13:05:49,898 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 33 treesize of output 31 [2024-11-12 13:05:49,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 13:05:49,937 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 62 treesize of output 22 [2024-11-12 13:05:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:05:49,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:49,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:49,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745258008] [2024-11-12 13:05:49,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745258008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:49,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:49,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:05:49,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908874618] [2024-11-12 13:05:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:49,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:05:49,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:49,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:05:49,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:05:49,956 INFO L87 Difference]: Start difference. First operand 2293 states and 4377 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-12 13:05:52,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:52,816 INFO L93 Difference]: Finished difference Result 4442 states and 8571 transitions. [2024-11-12 13:05:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 13:05:52,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-12 13:05:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:52,836 INFO L225 Difference]: With dead ends: 4442 [2024-11-12 13:05:52,836 INFO L226 Difference]: Without dead ends: 4442 [2024-11-12 13:05:52,836 INFO L434 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 [2024-11-12 13:05:52,837 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 1231 mSDsluCounter, 4228 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 6723 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 13:05:52,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 6723 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 13:05:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2024-11-12 13:05:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 2292. [2024-11-12 13:05:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1283 states have (on average 1.8448947778643803) internal successors, (2367), 2285 states have internal predecessors, (2367), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-12 13:05:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 4375 transitions. [2024-11-12 13:05:53,218 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 4375 transitions. Word has length 13 [2024-11-12 13:05:53,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:53,219 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 4375 transitions. [2024-11-12 13:05:53,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-12 13:05:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 4375 transitions. [2024-11-12 13:05:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-12 13:05:53,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:53,221 INFO L218 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] [2024-11-12 13:05:53,234 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 [2024-11-12 13:05:53,421 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 [2024-11-12 13:05:53,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash 475331247, now seen corresponding path program 1 times [2024-11-12 13:05:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43358513] [2024-11-12 13:05:53,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:53,424 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 [2024-11-12 13:05:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:53,427 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) [2024-11-12 13:05:53,428 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 [2024-11-12 13:05:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:53,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 13:05:53,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:05:53,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:53,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43358513] [2024-11-12 13:05:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43358513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:53,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:53,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:05:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021094266] [2024-11-12 13:05:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:53,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:05:53,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:05:53,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:05:53,812 INFO L87 Difference]: Start difference. First operand 2292 states and 4375 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:05:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:53,951 INFO L93 Difference]: Finished difference Result 2298 states and 4365 transitions. [2024-11-12 13:05:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:05:53,951 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84 [2024-11-12 13:05:53,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:53,959 INFO L225 Difference]: With dead ends: 2298 [2024-11-12 13:05:53,959 INFO L226 Difference]: Without dead ends: 2298 [2024-11-12 13:05:53,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:05:53,960 INFO L435 NwaCegarLoop]: 2230 mSDtfsCounter, 30 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 6671 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 [2024-11-12 13:05:53,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 6671 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:05:53,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2024-11-12 13:05:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2298. [2024-11-12 13:05:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2298 states, 1289 states have (on average 1.8285492629945694) internal successors, (2357), 2291 states have internal predecessors, (2357), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-12 13:05:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 2298 states and 4365 transitions. [2024-11-12 13:05:54,133 INFO L78 Accepts]: Start accepts. Automaton has 2298 states and 4365 transitions. Word has length 84 [2024-11-12 13:05:54,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:54,133 INFO L471 AbstractCegarLoop]: Abstraction has 2298 states and 4365 transitions. [2024-11-12 13:05:54,133 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:05:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 4365 transitions. [2024-11-12 13:05:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-12 13:05:54,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:54,135 INFO L218 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] [2024-11-12 13:05:54,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-12 13:05:54,339 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 [2024-11-12 13:05:54,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:54,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:54,342 INFO L85 PathProgramCache]: Analyzing trace with hash 458520251, now seen corresponding path program 1 times [2024-11-12 13:05:54,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:54,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128105501] [2024-11-12 13:05:54,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:54,343 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 [2024-11-12 13:05:54,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:54,349 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) [2024-11-12 13:05:54,350 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 [2024-11-12 13:05:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:54,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 13:05:54,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:05:54,738 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:54,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128105501] [2024-11-12 13:05:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128105501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:54,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:54,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:05:54,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410715850] [2024-11-12 13:05:54,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:54,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:05:54,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:54,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:05:54,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:05:54,743 INFO L87 Difference]: Start difference. First operand 2298 states and 4365 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 13:05:54,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:54,821 INFO L93 Difference]: Finished difference Result 2301 states and 4369 transitions. [2024-11-12 13:05:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 13:05:54,822 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-12 13:05:54,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:54,831 INFO L225 Difference]: With dead ends: 2301 [2024-11-12 13:05:54,831 INFO L226 Difference]: Without dead ends: 2301 [2024-11-12 13:05:54,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:05:54,832 INFO L435 NwaCegarLoop]: 2246 mSDtfsCounter, 0 mSDsluCounter, 4488 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6734 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 [2024-11-12 13:05:54,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6734 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:05:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2024-11-12 13:05:55,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2301. [2024-11-12 13:05:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 1291 states have (on average 1.8280402788536019) internal successors, (2360), 2294 states have internal predecessors, (2360), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2024-11-12 13:05:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 4369 transitions. [2024-11-12 13:05:55,185 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 4369 transitions. Word has length 84 [2024-11-12 13:05:55,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:55,186 INFO L471 AbstractCegarLoop]: Abstraction has 2301 states and 4369 transitions. [2024-11-12 13:05:55,187 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 13:05:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 4369 transitions. [2024-11-12 13:05:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 13:05:55,192 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:55,192 INFO L218 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] [2024-11-12 13:05:55,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-12 13:05:55,392 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 [2024-11-12 13:05:55,393 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:55,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1528341063, now seen corresponding path program 1 times [2024-11-12 13:05:55,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:55,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145065140] [2024-11-12 13:05:55,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:05:55,396 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 [2024-11-12 13:05:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:55,398 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) [2024-11-12 13:05:55,399 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 [2024-11-12 13:05:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:05:55,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 13:05:55,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 13:05:55,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:05:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 13:05:55,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:55,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145065140] [2024-11-12 13:05:55,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145065140] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:05:55,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:05:55,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-12 13:05:55,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169303833] [2024-11-12 13:05:55,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:05:55,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 13:05:55,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 13:05:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 13:05:55,880 INFO L87 Difference]: Start difference. First operand 2301 states and 4369 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, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 13:05:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:05:56,076 INFO L93 Difference]: Finished difference Result 2312 states and 4385 transitions. [2024-11-12 13:05:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 13:05:56,077 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, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2024-11-12 13:05:56,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:05:56,087 INFO L225 Difference]: With dead ends: 2312 [2024-11-12 13:05:56,088 INFO L226 Difference]: Without dead ends: 2312 [2024-11-12 13:05:56,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-12 13:05:56,090 INFO L435 NwaCegarLoop]: 2246 mSDtfsCounter, 4 mSDsluCounter, 11214 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13460 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:05:56,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13460 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:05:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2024-11-12 13:05:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2310. [2024-11-12 13:05:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1299 states have (on average 1.8275596612779061) internal successors, (2374), 2302 states have internal predecessors, (2374), 1005 states have call successors, (1005), 4 states have call predecessors, (1005), 4 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2024-11-12 13:05:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 4383 transitions. [2024-11-12 13:05:56,311 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 4383 transitions. Word has length 86 [2024-11-12 13:05:56,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:05:56,311 INFO L471 AbstractCegarLoop]: Abstraction has 2310 states and 4383 transitions. [2024-11-12 13:05:56,311 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, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 13:05:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 4383 transitions. [2024-11-12 13:05:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-12 13:05:56,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:05:56,313 INFO L218 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] [2024-11-12 13:05:56,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-12 13:05:56,515 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 [2024-11-12 13:05:56,515 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:05:56,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:05:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash 732264795, now seen corresponding path program 2 times [2024-11-12 13:05:56,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:05:56,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71957463] [2024-11-12 13:05:56,517 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 13:05:56,517 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 [2024-11-12 13:05:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:05:56,525 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) [2024-11-12 13:05:56,526 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 [2024-11-12 13:05:56,748 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 13:05:56,748 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 13:05:56,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 13:05:56,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:05:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-12 13:05:56,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:05:56,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:05:56,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71957463] [2024-11-12 13:05:56,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71957463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:05:56,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:05:56,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:05:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028608457] [2024-11-12 13:05:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:05:56,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:05:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:05:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:05:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:05:56,794 INFO L87 Difference]: Start difference. First operand 2310 states and 4383 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:06:01,181 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 [] [2024-11-12 13:06:05,191 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 [] [2024-11-12 13:06:11,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:11,858 INFO L93 Difference]: Finished difference Result 3443 states and 6558 transitions. [2024-11-12 13:06:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:06:11,859 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2024-11-12 13:06:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:11,871 INFO L225 Difference]: With dead ends: 3443 [2024-11-12 13:06:11,872 INFO L226 Difference]: Without dead ends: 3443 [2024-11-12 13:06:11,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:06:11,872 INFO L435 NwaCegarLoop]: 2316 mSDtfsCounter, 3545 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 896 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 4530 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:11,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4048 Valid, 4530 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 614 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2024-11-12 13:06:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2024-11-12 13:06:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3418. [2024-11-12 13:06:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3418 states, 1906 states have (on average 1.8426023084994754) internal successors, (3512), 3409 states have internal predecessors, (3512), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 3418 states and 6524 transitions. [2024-11-12 13:06:12,137 INFO L78 Accepts]: Start accepts. Automaton has 3418 states and 6524 transitions. Word has length 90 [2024-11-12 13:06:12,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:12,137 INFO L471 AbstractCegarLoop]: Abstraction has 3418 states and 6524 transitions. [2024-11-12 13:06:12,138 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:06:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 6524 transitions. [2024-11-12 13:06:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 13:06:12,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:12,139 INFO L218 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] [2024-11-12 13:06:12,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-12 13:06:12,339 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 [2024-11-12 13:06:12,340 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:12,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2056873447, now seen corresponding path program 1 times [2024-11-12 13:06:12,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:12,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222992277] [2024-11-12 13:06:12,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:06:12,342 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 [2024-11-12 13:06:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:12,346 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) [2024-11-12 13:06:12,352 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 [2024-11-12 13:06:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:06:12,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 13:06:12,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:06:12,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:06:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 13:06:13,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:13,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222992277] [2024-11-12 13:06:13,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222992277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:06:13,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:06:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-12 13:06:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926242996] [2024-11-12 13:06:13,151 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:06:13,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 13:06:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 13:06:13,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-12 13:06:13,154 INFO L87 Difference]: Start difference. First operand 3418 states and 6524 transitions. Second operand has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 13:06:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:13,946 INFO L93 Difference]: Finished difference Result 3433 states and 6547 transitions. [2024-11-12 13:06:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 13:06:13,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-12 13:06:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:13,968 INFO L225 Difference]: With dead ends: 3433 [2024-11-12 13:06:13,968 INFO L226 Difference]: Without dead ends: 3429 [2024-11-12 13:06:13,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-12 13:06:13,969 INFO L435 NwaCegarLoop]: 2246 mSDtfsCounter, 8 mSDsluCounter, 11223 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13469 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:13,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13469 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 13:06:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2024-11-12 13:06:14,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3427. [2024-11-12 13:06:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3427 states, 1915 states have (on average 1.8402088772845953) internal successors, (3524), 3418 states have internal predecessors, (3524), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 6536 transitions. [2024-11-12 13:06:14,249 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 6536 transitions. Word has length 100 [2024-11-12 13:06:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:14,249 INFO L471 AbstractCegarLoop]: Abstraction has 3427 states and 6536 transitions. [2024-11-12 13:06:14,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 13:06:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 6536 transitions. [2024-11-12 13:06:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-12 13:06:14,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:14,251 INFO L218 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] [2024-11-12 13:06:14,262 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 (9)] Forceful destruction successful, exit code 0 [2024-11-12 13:06:14,454 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 [2024-11-12 13:06:14,455 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:14,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1618968702, now seen corresponding path program 2 times [2024-11-12 13:06:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:14,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560476914] [2024-11-12 13:06:14,458 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 13:06:14,458 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 [2024-11-12 13:06:14,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:14,459 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) [2024-11-12 13:06:14,461 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 [2024-11-12 13:06:14,797 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 13:06:14,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 13:06:14,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 13:06:14,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:14,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 13:06:14,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 13:06:14,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 13:06:14,820 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 [2024-11-12 13:06:14,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 13:06:14,866 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 [2024-11-12 13:06:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-12 13:06:14,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:06:14,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560476914] [2024-11-12 13:06:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560476914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:06:14,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:06:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:06:14,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037574868] [2024-11-12 13:06:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:06:14,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:06:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:06:14,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:06:14,883 INFO L87 Difference]: Start difference. First operand 3427 states and 6536 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:06:16,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:16,686 INFO L93 Difference]: Finished difference Result 6608 states and 12771 transitions. [2024-11-12 13:06:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 13:06:16,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2024-11-12 13:06:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:16,711 INFO L225 Difference]: With dead ends: 6608 [2024-11-12 13:06:16,711 INFO L226 Difference]: Without dead ends: 6608 [2024-11-12 13:06:16,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:06:16,713 INFO L435 NwaCegarLoop]: 2626 mSDtfsCounter, 1177 mSDsluCounter, 4348 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 6974 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:16,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 6974 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 13:06:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2024-11-12 13:06:17,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 3431. [2024-11-12 13:06:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3431 states, 1919 states have (on average 1.8384575299635226) internal successors, (3528), 3422 states have internal predecessors, (3528), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 6540 transitions. [2024-11-12 13:06:17,228 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 6540 transitions. Word has length 109 [2024-11-12 13:06:17,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:17,229 INFO L471 AbstractCegarLoop]: Abstraction has 3431 states and 6540 transitions. [2024-11-12 13:06:17,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:06:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 6540 transitions. [2024-11-12 13:06:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 13:06:17,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:17,230 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-12 13:06:17,235 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 (10)] Forceful destruction successful, exit code 0 [2024-11-12 13:06:17,434 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 [2024-11-12 13:06:17,434 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:17,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:17,435 INFO L85 PathProgramCache]: Analyzing trace with hash 946332540, now seen corresponding path program 1 times [2024-11-12 13:06:17,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:17,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227334681] [2024-11-12 13:06:17,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:06:17,436 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 [2024-11-12 13:06:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:17,440 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) [2024-11-12 13:06:17,442 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 [2024-11-12 13:06:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:06:17,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 13:06:17,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 13:06:18,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:06:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 13:06:18,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:18,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227334681] [2024-11-12 13:06:18,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227334681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:06:18,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:06:18,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-12 13:06:18,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233362500] [2024-11-12 13:06:18,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:06:18,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 13:06:18,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:18,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 13:06:18,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-12 13:06:18,554 INFO L87 Difference]: Start difference. First operand 3431 states and 6540 transitions. Second operand has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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) [2024-11-12 13:06:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:20,671 INFO L93 Difference]: Finished difference Result 3455 states and 6581 transitions. [2024-11-12 13:06:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-12 13:06:20,676 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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 142 [2024-11-12 13:06:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:20,684 INFO L225 Difference]: With dead ends: 3455 [2024-11-12 13:06:20,685 INFO L226 Difference]: Without dead ends: 3451 [2024-11-12 13:06:20,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-12 13:06:20,686 INFO L435 NwaCegarLoop]: 2246 mSDtfsCounter, 14 mSDsluCounter, 26929 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29175 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:20,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 29175 Invalid, 588 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 13:06:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2024-11-12 13:06:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3449. [2024-11-12 13:06:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 1937 states have (on average 1.8337635518843574) internal successors, (3552), 3440 states have internal predecessors, (3552), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 6564 transitions. [2024-11-12 13:06:20,979 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 6564 transitions. Word has length 142 [2024-11-12 13:06:20,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:20,979 INFO L471 AbstractCegarLoop]: Abstraction has 3449 states and 6564 transitions. [2024-11-12 13:06:20,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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) [2024-11-12 13:06:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 6564 transitions. [2024-11-12 13:06:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 13:06:20,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:20,981 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-12 13:06:20,997 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 [2024-11-12 13:06:21,185 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 [2024-11-12 13:06:21,186 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:21,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash 103848796, now seen corresponding path program 2 times [2024-11-12 13:06:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:21,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786324445] [2024-11-12 13:06:21,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 13:06:21,188 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 [2024-11-12 13:06:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:21,189 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) [2024-11-12 13:06:21,190 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 [2024-11-12 13:06:21,479 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 13:06:21,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 13:06:21,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 13:06:21,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-12 13:06:21,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:06:21,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:21,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786324445] [2024-11-12 13:06:21,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786324445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:06:21,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:06:21,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 13:06:21,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955202679] [2024-11-12 13:06:21,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:06:21,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 13:06:21,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:21,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 13:06:21,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:06:21,521 INFO L87 Difference]: Start difference. First operand 3449 states and 6564 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2024-11-12 13:06:21,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:21,624 INFO L93 Difference]: Finished difference Result 3509 states and 6624 transitions. [2024-11-12 13:06:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 13:06:21,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 160 [2024-11-12 13:06:21,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:21,631 INFO L225 Difference]: With dead ends: 3509 [2024-11-12 13:06:21,632 INFO L226 Difference]: Without dead ends: 3509 [2024-11-12 13:06:21,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:06:21,632 INFO L435 NwaCegarLoop]: 2229 mSDtfsCounter, 5 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4443 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:21,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4443 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:06:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2024-11-12 13:06:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3509. [2024-11-12 13:06:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3509 states, 1997 states have (on average 1.8087130696044067) internal successors, (3612), 3500 states have internal predecessors, (3612), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3509 states and 6624 transitions. [2024-11-12 13:06:22,035 INFO L78 Accepts]: Start accepts. Automaton has 3509 states and 6624 transitions. Word has length 160 [2024-11-12 13:06:22,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:22,035 INFO L471 AbstractCegarLoop]: Abstraction has 3509 states and 6624 transitions. [2024-11-12 13:06:22,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2024-11-12 13:06:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 6624 transitions. [2024-11-12 13:06:22,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 13:06:22,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:22,037 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-12 13:06:22,046 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 [2024-11-12 13:06:22,237 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 [2024-11-12 13:06:22,238 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:22,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:22,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1267221600, now seen corresponding path program 1 times [2024-11-12 13:06:22,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:22,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585443169] [2024-11-12 13:06:22,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:06:22,240 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 [2024-11-12 13:06:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:22,242 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) [2024-11-12 13:06:22,243 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 [2024-11-12 13:06:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:06:22,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 13:06:22,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 281 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 13:06:23,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:06:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-12 13:06:25,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:25,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585443169] [2024-11-12 13:06:25,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585443169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:06:25,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:06:25,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-12 13:06:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266999841] [2024-11-12 13:06:25,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:06:25,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-12 13:06:25,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:25,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-12 13:06:25,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-12 13:06:25,103 INFO L87 Difference]: Start difference. First operand 3509 states and 6624 transitions. Second operand has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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) [2024-11-12 13:06:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:32,012 INFO L93 Difference]: Finished difference Result 3549 states and 6697 transitions. [2024-11-12 13:06:32,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-12 13:06:32,013 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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 160 [2024-11-12 13:06:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:32,019 INFO L225 Difference]: With dead ends: 3549 [2024-11-12 13:06:32,020 INFO L226 Difference]: Without dead ends: 3545 [2024-11-12 13:06:32,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-12 13:06:32,022 INFO L435 NwaCegarLoop]: 2246 mSDtfsCounter, 25 mSDsluCounter, 56097 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 58343 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:32,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 58343 Invalid, 1967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-12 13:06:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2024-11-12 13:06:32,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 3543. [2024-11-12 13:06:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3543 states, 2031 states have (on average 1.8010832102412604) internal successors, (3658), 3534 states have internal predecessors, (3658), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 6670 transitions. [2024-11-12 13:06:32,268 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 6670 transitions. Word has length 160 [2024-11-12 13:06:32,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:32,268 INFO L471 AbstractCegarLoop]: Abstraction has 3543 states and 6670 transitions. [2024-11-12 13:06:32,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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) [2024-11-12 13:06:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 6670 transitions. [2024-11-12 13:06:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 13:06:32,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:32,270 INFO L218 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] [2024-11-12 13:06:32,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-12 13:06:32,473 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 [2024-11-12 13:06:32,474 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:32,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:32,475 INFO L85 PathProgramCache]: Analyzing trace with hash 398693504, now seen corresponding path program 2 times [2024-11-12 13:06:32,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:32,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100520591] [2024-11-12 13:06:32,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 13:06:32,476 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 [2024-11-12 13:06:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:32,477 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) [2024-11-12 13:06:32,478 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 [2024-11-12 13:06:32,914 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 13:06:32,914 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 13:06:32,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 13:06:32,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2351 trivial. 0 not checked. [2024-11-12 13:06:32,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 13:06:32,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100520591] [2024-11-12 13:06:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100520591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:06:32,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:06:32,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:06:32,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328920777] [2024-11-12 13:06:32,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:06:32,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:06:32,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:32,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:06:32,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:06:32,951 INFO L87 Difference]: Start difference. First operand 3543 states and 6670 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2024-11-12 13:06:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:33,075 INFO L93 Difference]: Finished difference Result 3492 states and 6586 transitions. [2024-11-12 13:06:33,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:06:33,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 194 [2024-11-12 13:06:33,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:33,086 INFO L225 Difference]: With dead ends: 3492 [2024-11-12 13:06:33,086 INFO L226 Difference]: Without dead ends: 3492 [2024-11-12 13:06:33,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:06:33,087 INFO L435 NwaCegarLoop]: 2216 mSDtfsCounter, 32 mSDsluCounter, 4418 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 6634 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:33,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 6634 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:06:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2024-11-12 13:06:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3492. [2024-11-12 13:06:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 1980 states have (on average 1.805050505050505) internal successors, (3574), 3483 states have internal predecessors, (3574), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 6586 transitions. [2024-11-12 13:06:33,366 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 6586 transitions. Word has length 194 [2024-11-12 13:06:33,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:33,366 INFO L471 AbstractCegarLoop]: Abstraction has 3492 states and 6586 transitions. [2024-11-12 13:06:33,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2024-11-12 13:06:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 6586 transitions. [2024-11-12 13:06:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 13:06:33,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:33,368 INFO L218 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] [2024-11-12 13:06:33,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-12 13:06:33,569 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 [2024-11-12 13:06:33,569 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:33,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1872337614, now seen corresponding path program 1 times [2024-11-12 13:06:33,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:33,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282330755] [2024-11-12 13:06:33,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:06:33,571 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 [2024-11-12 13:06:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:33,573 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) [2024-11-12 13:06:33,574 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 [2024-11-12 13:06:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:06:34,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-12 13:06:34,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-12 13:06:35,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:06:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-12 13:06:37,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:37,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282330755] [2024-11-12 13:06:37,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282330755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:06:37,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:06:37,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-12 13:06:37,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224819038] [2024-11-12 13:06:37,137 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:06:37,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-12 13:06:37,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:37,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-12 13:06:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-12 13:06:37,139 INFO L87 Difference]: Start difference. First operand 3492 states and 6586 transitions. Second operand has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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) [2024-11-12 13:06:44,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:06:44,047 INFO L93 Difference]: Finished difference Result 3521 states and 6642 transitions. [2024-11-12 13:06:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-12 13:06:44,048 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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 194 [2024-11-12 13:06:44,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:06:44,060 INFO L225 Difference]: With dead ends: 3521 [2024-11-12 13:06:44,061 INFO L226 Difference]: Without dead ends: 3521 [2024-11-12 13:06:44,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-12 13:06:44,063 INFO L435 NwaCegarLoop]: 2234 mSDtfsCounter, 27 mSDsluCounter, 55802 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 58036 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 13:06:44,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 58036 Invalid, 1432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 13:06:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2024-11-12 13:06:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3517. [2024-11-12 13:06:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3517 states, 2005 states have (on average 1.8074812967581046) internal successors, (3624), 3508 states have internal predecessors, (3624), 1506 states have call successors, (1506), 4 states have call predecessors, (1506), 4 states have return successors, (1506), 7 states have call predecessors, (1506), 1504 states have call successors, (1506) [2024-11-12 13:06:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3517 states and 6636 transitions. [2024-11-12 13:06:44,312 INFO L78 Accepts]: Start accepts. Automaton has 3517 states and 6636 transitions. Word has length 194 [2024-11-12 13:06:44,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:06:44,313 INFO L471 AbstractCegarLoop]: Abstraction has 3517 states and 6636 transitions. [2024-11-12 13:06:44,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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) [2024-11-12 13:06:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 6636 transitions. [2024-11-12 13:06:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 13:06:44,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:06:44,314 INFO L218 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] [2024-11-12 13:06:44,336 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 [2024-11-12 13:06:44,518 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 [2024-11-12 13:06:44,519 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:06:44,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:06:44,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1464210765, now seen corresponding path program 2 times [2024-11-12 13:06:44,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 13:06:44,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528444763] [2024-11-12 13:06:44,520 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 13:06:44,520 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 [2024-11-12 13:06:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 13:06:44,525 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) [2024-11-12 13:06:44,531 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 [2024-11-12 13:06:46,274 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 13:06:46,274 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 13:06:46,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-12 13:06:46,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:06:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-12 13:06:47,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:06:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-12 13:06:53,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 13:06:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528444763] [2024-11-12 13:06:53,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528444763] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:06:53,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 13:06:53,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-12 13:06:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750135513] [2024-11-12 13:06:53,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 13:06:53,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-12 13:06:53,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 13:06:53,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-12 13:06:53,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-12 13:06:53,607 INFO L87 Difference]: Start difference. First operand 3517 states and 6636 transitions. Second operand has 102 states, 102 states have (on average 2.176470588235294) internal successors, (222), 102 states have internal predecessors, (222), 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)