./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 02:48:26,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 02:48:26,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 02:48:26,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 02:48:26,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 02:48:26,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 02:48:26,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 02:48:26,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 02:48:26,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 02:48:26,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 02:48:26,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 02:48:26,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 02:48:26,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 02:48:26,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 02:48:26,482 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 02:48:26,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 02:48:26,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 02:48:26,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 02:48:26,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 02:48:26,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 02:48:26,484 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 02:48:26,484 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 02:48:26,485 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 02:48:26,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 02:48:26,485 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 02:48:26,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 02:48:26,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 02:48:26,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 02:48:26,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 02:48:26,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 02:48:26,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 02:48:26,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 02:48:26,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 02:48:26,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 02:48:26,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 02:48:26,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 02:48:26,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 02:48:26,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 02:48:26,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 02:48:26,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 02:48:26,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 02:48:26,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 02:48:26,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-11-17 02:48:26,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 02:48:26,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 02:48:26,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 02:48:26,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 02:48:26,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 02:48:26,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-17 02:48:28,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 02:48:28,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 02:48:28,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-17 02:48:28,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61766fa5f/ef02cbee46dc475c875ff87c526b87f7/FLAG8be668f7a [2024-11-17 02:48:28,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61766fa5f/ef02cbee46dc475c875ff87c526b87f7 [2024-11-17 02:48:28,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 02:48:28,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 02:48:28,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 02:48:28,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 02:48:28,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 02:48:28,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:48:28" (1/1) ... [2024-11-17 02:48:28,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467046d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:28, skipping insertion in model container [2024-11-17 02:48:28,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:48:28" (1/1) ... [2024-11-17 02:48:28,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 02:48:29,270 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,314 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,322 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,328 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,336 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,386 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,388 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,392 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,393 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,397 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,399 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,403 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,404 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:29,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:48:29,434 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-17 02:48:29,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2230f20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:29, skipping insertion in model container [2024-11-17 02:48:29,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 02:48:29,436 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-17 02:48:29,438 INFO L158 Benchmark]: Toolchain (without parser) took 640.54ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 78.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 02:48:29,438 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 02:48:29,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.27ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 78.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 02:48:29,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.27ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 78.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: 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_FNV_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 02:48:31,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 02:48:31,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-17 02:48:31,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 02:48:31,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 02:48:31,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 02:48:31,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 02:48:31,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 02:48:31,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 02:48:31,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 02:48:31,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 02:48:31,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 02:48:31,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 02:48:31,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 02:48:31,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 02:48:31,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 02:48:31,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 02:48:31,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 02:48:31,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 02:48:31,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 02:48:31,587 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 02:48:31,588 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 02:48:31,588 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 02:48:31,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 02:48:31,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 02:48:31,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 02:48:31,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 02:48:31,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 02:48:31,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 02:48:31,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 02:48:31,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 02:48:31,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 02:48:31,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 02:48:31,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 02:48:31,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 02:48:31,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 02:48:31,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 02:48:31,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 02:48:31,594 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 02:48:31,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 02:48:31,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 02:48:31,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 02:48:31,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 02:48:31,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 02:48:31,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-11-17 02:48:31,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 02:48:31,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 02:48:31,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 02:48:31,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 02:48:31,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 02:48:31,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-17 02:48:33,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 02:48:33,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 02:48:33,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-17 02:48:33,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb893be26/9a009a8316ee4325adbd382b9bc19686/FLAG6292e3af8 [2024-11-17 02:48:34,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb893be26/9a009a8316ee4325adbd382b9bc19686 [2024-11-17 02:48:34,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 02:48:34,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 02:48:34,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 02:48:34,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 02:48:34,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 02:48:34,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:34,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327a886d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34, skipping insertion in model container [2024-11-17 02:48:34,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:34,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 02:48:34,614 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,651 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,658 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,662 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,667 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,707 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,707 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,714 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,717 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,722 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,723 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,724 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,729 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:48:34,761 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-17 02:48:34,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 02:48:34,791 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,802 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,803 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,805 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,809 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,824 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,825 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,827 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,827 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,829 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,830 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,831 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,831 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:48:34,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:48:34,840 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 02:48:34,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:48:34,988 INFO L204 MainTranslator]: Completed translation [2024-11-17 02:48:34,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34 WrapperNode [2024-11-17 02:48:34,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 02:48:34,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 02:48:34,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 02:48:34,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 02:48:34,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,092 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1003 [2024-11-17 02:48:35,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 02:48:35,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 02:48:35,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 02:48:35,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 02:48:35,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,231 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]. [2024-11-17 02:48:35,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 02:48:35,335 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 02:48:35,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 02:48:35,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 02:48:35,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (1/1) ... [2024-11-17 02:48:35,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 02:48:35,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 02:48:35,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 02:48:35,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 02:48:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-17 02:48:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 02:48:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 02:48:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 02:48:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 02:48:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-17 02:48:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 02:48:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-17 02:48:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 02:48:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-17 02:48:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-17 02:48:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 02:48:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 02:48:35,627 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 02:48:35,629 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 02:48:39,041 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 02:48:39,157 INFO L? ?]: Removed 1099 outVars from TransFormulas that were not future-live. [2024-11-17 02:48:39,158 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 02:48:39,201 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 02:48:39,202 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 02:48:39,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 02:48:39 BoogieIcfgContainer [2024-11-17 02:48:39,202 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 02:48:39,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 02:48:39,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 02:48:39,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 02:48:39,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:48:34" (1/3) ... [2024-11-17 02:48:39,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9b226a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:48:39, skipping insertion in model container [2024-11-17 02:48:39,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:48:34" (2/3) ... [2024-11-17 02:48:39,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9b226a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:48:39, skipping insertion in model container [2024-11-17 02:48:39,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 02:48:39" (3/3) ... [2024-11-17 02:48:39,212 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2024-11-17 02:48:39,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 02:48:39,230 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 529 error locations. [2024-11-17 02:48:39,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 02:48:39,333 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;@3151b26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 02:48:39,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 529 error locations. [2024-11-17 02:48:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 1125 states, 572 states have (on average 2.159090909090909) internal successors, (1235), 1115 states have internal predecessors, (1235), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 02:48:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-17 02:48:39,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:39,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-17 02:48:39,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr526REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:39,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1327608, now seen corresponding path program 1 times [2024-11-17 02:48:39,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:39,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804745651] [2024-11-17 02:48:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:39,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:39,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:39,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 02:48:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:39,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:48:39,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:39,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:48:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:39,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:39,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804745651] [2024-11-17 02:48:39,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804745651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:39,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 02:48:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720272354] [2024-11-17 02:48:39,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:39,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:39,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:39,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:39,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:39,674 INFO L87 Difference]: Start difference. First operand has 1125 states, 572 states have (on average 2.159090909090909) internal successors, (1235), 1115 states have internal predecessors, (1235), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:41,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:41,170 INFO L93 Difference]: Finished difference Result 1128 states and 1215 transitions. [2024-11-17 02:48:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:41,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-17 02:48:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:41,193 INFO L225 Difference]: With dead ends: 1128 [2024-11-17 02:48:41,194 INFO L226 Difference]: Without dead ends: 1125 [2024-11-17 02:48:41,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:41,198 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 982 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:41,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 858 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 02:48:41,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-17 02:48:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1112. [2024-11-17 02:48:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 575 states have (on average 2.0156521739130433) internal successors, (1159), 1101 states have internal predecessors, (1159), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 02:48:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1203 transitions. [2024-11-17 02:48:41,294 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1203 transitions. Word has length 3 [2024-11-17 02:48:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:41,295 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1203 transitions. [2024-11-17 02:48:41,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:41,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1203 transitions. [2024-11-17 02:48:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-17 02:48:41,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:41,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-17 02:48:41,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 02:48:41,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:41,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr527REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:41,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:41,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1327609, now seen corresponding path program 1 times [2024-11-17 02:48:41,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:41,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242967973] [2024-11-17 02:48:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:41,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:41,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:41,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:41,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-17 02:48:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:41,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 02:48:41,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:41,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:48:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:41,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:41,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:41,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242967973] [2024-11-17 02:48:41,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242967973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:41,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:41,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 02:48:41,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969352571] [2024-11-17 02:48:41,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:41,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:41,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:41,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:41,631 INFO L87 Difference]: Start difference. First operand 1112 states and 1203 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:43,783 INFO L93 Difference]: Finished difference Result 1527 states and 1650 transitions. [2024-11-17 02:48:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:43,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-17 02:48:43,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:43,789 INFO L225 Difference]: With dead ends: 1527 [2024-11-17 02:48:43,789 INFO L226 Difference]: Without dead ends: 1527 [2024-11-17 02:48:43,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:43,791 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 443 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:43,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 1658 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 02:48:43,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2024-11-17 02:48:43,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1338. [2024-11-17 02:48:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 801 states have (on average 2.0) internal successors, (1602), 1326 states have internal predecessors, (1602), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 02:48:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1648 transitions. [2024-11-17 02:48:43,822 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1648 transitions. Word has length 3 [2024-11-17 02:48:43,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:43,823 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1648 transitions. [2024-11-17 02:48:43,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1648 transitions. [2024-11-17 02:48:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 02:48:43,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:43,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:43,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 02:48:44,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:44,027 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr523REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:44,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:44,028 INFO L85 PathProgramCache]: Analyzing trace with hash -957840613, now seen corresponding path program 1 times [2024-11-17 02:48:44,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:44,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237631171] [2024-11-17 02:48:44,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:44,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:44,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-17 02:48:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:44,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 02:48:44,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:44,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:48:44,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:48:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 02:48:44,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-17 02:48:44,318 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-17 02:48:44,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-17 02:48:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:44,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:44,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237631171] [2024-11-17 02:48:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237631171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93167591] [2024-11-17 02:48:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:44,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:44,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:44,349 INFO L87 Difference]: Start difference. First operand 1338 states and 1648 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:46,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:46,491 INFO L93 Difference]: Finished difference Result 1346 states and 1654 transitions. [2024-11-17 02:48:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:48:46,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 02:48:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:46,497 INFO L225 Difference]: With dead ends: 1346 [2024-11-17 02:48:46,497 INFO L226 Difference]: Without dead ends: 1346 [2024-11-17 02:48:46,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:46,499 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 2066 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:46,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 556 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 02:48:46,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-11-17 02:48:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1100. [2024-11-17 02:48:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 575 states have (on average 1.9930434782608695) internal successors, (1146), 1089 states have internal predecessors, (1146), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 02:48:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1190 transitions. [2024-11-17 02:48:46,534 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1190 transitions. Word has length 8 [2024-11-17 02:48:46,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:46,534 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1190 transitions. [2024-11-17 02:48:46,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1190 transitions. [2024-11-17 02:48:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 02:48:46,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:46,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:46,542 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 (4)] Forceful destruction successful, exit code 0 [2024-11-17 02:48:46,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:46,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr520REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:46,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:46,737 INFO L85 PathProgramCache]: Analyzing trace with hash 371713294, now seen corresponding path program 1 times [2024-11-17 02:48:46,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:46,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144874745] [2024-11-17 02:48:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:46,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:46,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-17 02:48:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:46,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:48:46,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:46,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:48:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:46,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:46,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:46,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144874745] [2024-11-17 02:48:46,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144874745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:46,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:46,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 02:48:46,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808334562] [2024-11-17 02:48:46,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:46,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:46,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:46,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:46,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:46,874 INFO L87 Difference]: Start difference. First operand 1100 states and 1190 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:48,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:48,195 INFO L93 Difference]: Finished difference Result 1447 states and 1566 transitions. [2024-11-17 02:48:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:48,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-17 02:48:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:48,201 INFO L225 Difference]: With dead ends: 1447 [2024-11-17 02:48:48,201 INFO L226 Difference]: Without dead ends: 1447 [2024-11-17 02:48:48,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:48,202 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 960 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:48,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1364 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 02:48:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2024-11-17 02:48:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1052. [2024-11-17 02:48:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 575 states have (on average 1.9078260869565218) internal successors, (1097), 1041 states have internal predecessors, (1097), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 02:48:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1141 transitions. [2024-11-17 02:48:48,227 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1141 transitions. Word has length 9 [2024-11-17 02:48:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:48,227 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1141 transitions. [2024-11-17 02:48:48,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1141 transitions. [2024-11-17 02:48:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 02:48:48,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:48,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:48,233 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 [2024-11-17 02:48:48,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:48,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr521REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:48,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:48,430 INFO L85 PathProgramCache]: Analyzing trace with hash 371713295, now seen corresponding path program 1 times [2024-11-17 02:48:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382908321] [2024-11-17 02:48:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:48,431 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:48,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:48,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-17 02:48:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:48,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 02:48:48,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:48,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:48:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:48,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:48,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:48,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382908321] [2024-11-17 02:48:48,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382908321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:48,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:48,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 02:48:48,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699307951] [2024-11-17 02:48:48,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:48,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:48,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:48,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:48,569 INFO L87 Difference]: Start difference. First operand 1052 states and 1141 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:50,432 INFO L93 Difference]: Finished difference Result 1554 states and 1678 transitions. [2024-11-17 02:48:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:50,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-17 02:48:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:50,438 INFO L225 Difference]: With dead ends: 1554 [2024-11-17 02:48:50,438 INFO L226 Difference]: Without dead ends: 1554 [2024-11-17 02:48:50,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:50,439 INFO L432 NwaCegarLoop]: 1251 mSDtfsCounter, 723 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:50,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1763 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 02:48:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2024-11-17 02:48:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1323. [2024-11-17 02:48:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 854 states have (on average 1.899297423887588) internal successors, (1622), 1310 states have internal predecessors, (1622), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1670 transitions. [2024-11-17 02:48:50,471 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1670 transitions. Word has length 9 [2024-11-17 02:48:50,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:50,471 INFO L471 AbstractCegarLoop]: Abstraction has 1323 states and 1670 transitions. [2024-11-17 02:48:50,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1670 transitions. [2024-11-17 02:48:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 02:48:50,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:50,472 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:50,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-17 02:48:50,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:50,676 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:50,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:50,676 INFO L85 PathProgramCache]: Analyzing trace with hash 368166269, now seen corresponding path program 1 times [2024-11-17 02:48:50,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:50,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130023955] [2024-11-17 02:48:50,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:50,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:50,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:50,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:50,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-17 02:48:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:50,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 02:48:50,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:50,831 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 02:48:50,832 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 02:48:50,832 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 02:48:50,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-17 02:48:50,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 02:48:50,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-17 02:48:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:50,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:50,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:50,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130023955] [2024-11-17 02:48:50,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130023955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:50,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:50,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:48:50,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296407773] [2024-11-17 02:48:50,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:50,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:50,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:50,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:50,930 INFO L87 Difference]: Start difference. First operand 1323 states and 1670 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) [2024-11-17 02:48:51,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:51,333 INFO L93 Difference]: Finished difference Result 2582 states and 3249 transitions. [2024-11-17 02:48:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:48:51,334 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 [2024-11-17 02:48:51,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:51,344 INFO L225 Difference]: With dead ends: 2582 [2024-11-17 02:48:51,344 INFO L226 Difference]: Without dead ends: 2582 [2024-11-17 02:48:51,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:48:51,346 INFO L432 NwaCegarLoop]: 1076 mSDtfsCounter, 1014 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:51,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3218 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 02:48:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2024-11-17 02:48:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 1326. [2024-11-17 02:48:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 857 states have (on average 1.896149358226371) internal successors, (1625), 1313 states have internal predecessors, (1625), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1673 transitions. [2024-11-17 02:48:51,387 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1673 transitions. Word has length 13 [2024-11-17 02:48:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:51,388 INFO L471 AbstractCegarLoop]: Abstraction has 1326 states and 1673 transitions. [2024-11-17 02:48:51,388 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) [2024-11-17 02:48:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1673 transitions. [2024-11-17 02:48:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 02:48:51,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:51,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:51,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-17 02:48:51,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:51,593 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr513REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:51,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:51,593 INFO L85 PathProgramCache]: Analyzing trace with hash 598304910, now seen corresponding path program 1 times [2024-11-17 02:48:51,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:51,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177190543] [2024-11-17 02:48:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:51,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:51,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:51,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-17 02:48:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:51,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 02:48:51,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:51,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:51,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:51,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177190543] [2024-11-17 02:48:51,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177190543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:51,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:51,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:51,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085546302] [2024-11-17 02:48:51,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:51,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:51,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:51,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:51,749 INFO L87 Difference]: Start difference. First operand 1326 states and 1673 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:51,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:51,780 INFO L93 Difference]: Finished difference Result 1284 states and 1630 transitions. [2024-11-17 02:48:51,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:51,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-11-17 02:48:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:51,785 INFO L225 Difference]: With dead ends: 1284 [2024-11-17 02:48:51,785 INFO L226 Difference]: Without dead ends: 1284 [2024-11-17 02:48:51,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:51,786 INFO L432 NwaCegarLoop]: 1060 mSDtfsCounter, 71 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:51,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 02:48:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2024-11-17 02:48:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2024-11-17 02:48:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 839 states have (on average 1.8855780691299167) internal successors, (1582), 1271 states have internal predecessors, (1582), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1630 transitions. [2024-11-17 02:48:51,824 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1630 transitions. Word has length 20 [2024-11-17 02:48:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:51,825 INFO L471 AbstractCegarLoop]: Abstraction has 1284 states and 1630 transitions. [2024-11-17 02:48:51,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1630 transitions. [2024-11-17 02:48:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 02:48:51,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:51,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:51,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-17 02:48:52,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:52,027 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr488REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:52,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash -554632255, now seen corresponding path program 1 times [2024-11-17 02:48:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797654124] [2024-11-17 02:48:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:52,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:52,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:52,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-17 02:48:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:52,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:48:52,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:52,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:52,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:52,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797654124] [2024-11-17 02:48:52,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797654124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:52,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:52,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:48:52,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431706115] [2024-11-17 02:48:52,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:52,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:52,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:52,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:52,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:52,206 INFO L87 Difference]: Start difference. First operand 1284 states and 1630 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:52,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:52,279 INFO L93 Difference]: Finished difference Result 1262 states and 1601 transitions. [2024-11-17 02:48:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 02:48:52,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2024-11-17 02:48:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:52,283 INFO L225 Difference]: With dead ends: 1262 [2024-11-17 02:48:52,284 INFO L226 Difference]: Without dead ends: 1262 [2024-11-17 02:48:52,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:48:52,285 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 48 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:52,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3018 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 02:48:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2024-11-17 02:48:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1262. [2024-11-17 02:48:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 831 states have (on average 1.8688327316486162) internal successors, (1553), 1249 states have internal predecessors, (1553), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1601 transitions. [2024-11-17 02:48:52,307 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1601 transitions. Word has length 22 [2024-11-17 02:48:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:52,307 INFO L471 AbstractCegarLoop]: Abstraction has 1262 states and 1601 transitions. [2024-11-17 02:48:52,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1601 transitions. [2024-11-17 02:48:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 02:48:52,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:52,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:52,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-17 02:48:52,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:52,513 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr475REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:52,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:52,514 INFO L85 PathProgramCache]: Analyzing trace with hash 271537784, now seen corresponding path program 1 times [2024-11-17 02:48:52,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:52,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175717221] [2024-11-17 02:48:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:52,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:52,518 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:52,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-17 02:48:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:52,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 02:48:52,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:52,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:48:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:52,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:52,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:52,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175717221] [2024-11-17 02:48:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175717221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:52,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:52,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:52,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754909684] [2024-11-17 02:48:52,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:52,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:52,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:52,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:52,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:52,889 INFO L87 Difference]: Start difference. First operand 1262 states and 1601 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:54,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:54,919 INFO L93 Difference]: Finished difference Result 1493 states and 1609 transitions. [2024-11-17 02:48:54,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:48:54,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2024-11-17 02:48:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:54,925 INFO L225 Difference]: With dead ends: 1493 [2024-11-17 02:48:54,925 INFO L226 Difference]: Without dead ends: 1493 [2024-11-17 02:48:54,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:48:54,926 INFO L432 NwaCegarLoop]: 761 mSDtfsCounter, 656 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:54,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1811 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-17 02:48:54,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2024-11-17 02:48:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1258. [2024-11-17 02:48:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 831 states have (on average 1.8640192539109506) internal successors, (1549), 1245 states have internal predecessors, (1549), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1597 transitions. [2024-11-17 02:48:54,957 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1597 transitions. Word has length 36 [2024-11-17 02:48:54,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:54,957 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1597 transitions. [2024-11-17 02:48:54,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1597 transitions. [2024-11-17 02:48:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 02:48:54,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:54,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:54,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-17 02:48:55,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:55,159 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr474REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:55,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:55,160 INFO L85 PathProgramCache]: Analyzing trace with hash 271537783, now seen corresponding path program 1 times [2024-11-17 02:48:55,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:55,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404361733] [2024-11-17 02:48:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:55,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:55,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:55,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:55,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-17 02:48:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:55,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 02:48:55,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:55,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:48:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:55,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:55,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:55,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404361733] [2024-11-17 02:48:55,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404361733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:55,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:55,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:55,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828058057] [2024-11-17 02:48:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:55,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:55,403 INFO L87 Difference]: Start difference. First operand 1258 states and 1597 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:56,636 INFO L93 Difference]: Finished difference Result 1273 states and 1615 transitions. [2024-11-17 02:48:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:48:56,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2024-11-17 02:48:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:56,640 INFO L225 Difference]: With dead ends: 1273 [2024-11-17 02:48:56,640 INFO L226 Difference]: Without dead ends: 1273 [2024-11-17 02:48:56,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:48:56,641 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 889 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1197 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 02:48:56,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2024-11-17 02:48:56,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1254. [2024-11-17 02:48:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 831 states have (on average 1.8592057761732852) internal successors, (1545), 1241 states have internal predecessors, (1545), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1593 transitions. [2024-11-17 02:48:56,673 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1593 transitions. Word has length 36 [2024-11-17 02:48:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:56,674 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1593 transitions. [2024-11-17 02:48:56,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1593 transitions. [2024-11-17 02:48:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 02:48:56,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:56,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:56,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-17 02:48:56,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:56,878 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr461REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:56,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash 871830761, now seen corresponding path program 1 times [2024-11-17 02:48:56,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:56,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128504653] [2024-11-17 02:48:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:56,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:56,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:56,883 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:56,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-17 02:48:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:57,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:48:57,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:57,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:57,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:57,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128504653] [2024-11-17 02:48:57,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128504653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:57,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:57,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:48:57,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688629730] [2024-11-17 02:48:57,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:57,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:57,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:57,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:57,116 INFO L87 Difference]: Start difference. First operand 1254 states and 1593 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:57,170 INFO L93 Difference]: Finished difference Result 1248 states and 1583 transitions. [2024-11-17 02:48:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 02:48:57,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2024-11-17 02:48:57,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:57,173 INFO L225 Difference]: With dead ends: 1248 [2024-11-17 02:48:57,174 INFO L226 Difference]: Without dead ends: 1248 [2024-11-17 02:48:57,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:48:57,174 INFO L432 NwaCegarLoop]: 1009 mSDtfsCounter, 21 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:57,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2995 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 02:48:57,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-17 02:48:57,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2024-11-17 02:48:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 825 states have (on average 1.8606060606060606) internal successors, (1535), 1235 states have internal predecessors, (1535), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 02:48:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1583 transitions. [2024-11-17 02:48:57,193 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1583 transitions. Word has length 53 [2024-11-17 02:48:57,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:57,194 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1583 transitions. [2024-11-17 02:48:57,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1583 transitions. [2024-11-17 02:48:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 02:48:57,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:57,195 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:57,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-17 02:48:57,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:57,396 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr461REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:57,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1617151455, now seen corresponding path program 1 times [2024-11-17 02:48:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:57,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555348108] [2024-11-17 02:48:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:57,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:57,398 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:57,399 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 (13)] Waiting until timeout for monitored process [2024-11-17 02:48:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:57,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:48:57,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:57,908 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:57,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:57,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555348108] [2024-11-17 02:48:57,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555348108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:57,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:57,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:57,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085131034] [2024-11-17 02:48:57,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:57,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 02:48:57,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:57,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 02:48:57,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:57,910 INFO L87 Difference]: Start difference. First operand 1248 states and 1583 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:48:58,083 INFO L93 Difference]: Finished difference Result 1786 states and 2334 transitions. [2024-11-17 02:48:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 02:48:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2024-11-17 02:48:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:48:58,088 INFO L225 Difference]: With dead ends: 1786 [2024-11-17 02:48:58,088 INFO L226 Difference]: Without dead ends: 1786 [2024-11-17 02:48:58,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 02:48:58,089 INFO L432 NwaCegarLoop]: 1237 mSDtfsCounter, 325 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 02:48:58,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 2184 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 02:48:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2024-11-17 02:48:58,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1632. [2024-11-17 02:48:58,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1207 states have (on average 1.8525269262634632) internal successors, (2236), 1617 states have internal predecessors, (2236), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 02:48:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2288 transitions. [2024-11-17 02:48:58,116 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2288 transitions. Word has length 61 [2024-11-17 02:48:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:48:58,116 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2288 transitions. [2024-11-17 02:48:58,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:48:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2288 transitions. [2024-11-17 02:48:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 02:48:58,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:48:58,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:48:58,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-17 02:48:58,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:58,322 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr431REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:48:58,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:48:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash 87840506, now seen corresponding path program 1 times [2024-11-17 02:48:58,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:48:58,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204187633] [2024-11-17 02:48:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:48:58,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:48:58,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:48:58,324 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:48:58,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-17 02:48:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:48:58,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 02:48:58,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:48:58,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:48:58,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:48:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 02:48:59,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-17 02:48:59,123 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-17 02:48:59,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-17 02:48:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:48:59,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:48:59,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:48:59,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204187633] [2024-11-17 02:48:59,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204187633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:48:59,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:48:59,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 02:48:59,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744784530] [2024-11-17 02:48:59,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:48:59,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:48:59,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:48:59,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:48:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:48:59,137 INFO L87 Difference]: Start difference. First operand 1632 states and 2288 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:00,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:00,310 INFO L93 Difference]: Finished difference Result 1607 states and 2264 transitions. [2024-11-17 02:49:00,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:49:00,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-17 02:49:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:00,315 INFO L225 Difference]: With dead ends: 1607 [2024-11-17 02:49:00,315 INFO L226 Difference]: Without dead ends: 1607 [2024-11-17 02:49:00,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:49:00,316 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 840 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:00,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 564 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 02:49:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2024-11-17 02:49:00,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1146. [2024-11-17 02:49:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 764 states have (on average 1.7486910994764397) internal successors, (1336), 1134 states have internal predecessors, (1336), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 02:49:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1382 transitions. [2024-11-17 02:49:00,339 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1382 transitions. Word has length 64 [2024-11-17 02:49:00,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:00,340 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1382 transitions. [2024-11-17 02:49:00,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1382 transitions. [2024-11-17 02:49:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 02:49:00,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:00,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:00,354 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 [2024-11-17 02:49:00,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:00,545 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr424REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:00,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:00,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2069745237, now seen corresponding path program 1 times [2024-11-17 02:49:00,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:00,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981298274] [2024-11-17 02:49:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:49:00,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:00,551 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:00,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-17 02:49:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:49:00,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 02:49:00,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:00,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:49:00,819 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 19 treesize of output 1 [2024-11-17 02:49:00,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 02:49:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:00,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:49:00,850 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:00,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981298274] [2024-11-17 02:49:00,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981298274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:49:00,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:49:00,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:49:00,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069835505] [2024-11-17 02:49:00,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:49:00,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 02:49:00,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:00,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 02:49:00,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:49:00,852 INFO L87 Difference]: Start difference. First operand 1146 states and 1382 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:02,274 INFO L93 Difference]: Finished difference Result 1145 states and 1381 transitions. [2024-11-17 02:49:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 02:49:02,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 69 [2024-11-17 02:49:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:02,278 INFO L225 Difference]: With dead ends: 1145 [2024-11-17 02:49:02,278 INFO L226 Difference]: Without dead ends: 1145 [2024-11-17 02:49:02,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 02:49:02,278 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 2 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:02,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2634 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 02:49:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-17 02:49:02,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1145. [2024-11-17 02:49:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 764 states have (on average 1.7473821989528795) internal successors, (1335), 1133 states have internal predecessors, (1335), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 02:49:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1381 transitions. [2024-11-17 02:49:02,295 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1381 transitions. Word has length 69 [2024-11-17 02:49:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:02,295 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1381 transitions. [2024-11-17 02:49:02,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1381 transitions. [2024-11-17 02:49:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 02:49:02,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:02,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:02,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-17 02:49:02,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:02,497 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr425REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2069745236, now seen corresponding path program 1 times [2024-11-17 02:49:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972768979] [2024-11-17 02:49:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:49:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:02,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:02,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-17 02:49:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:49:02,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 02:49:02,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:02,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 02:49:02,764 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 13 treesize of output 9 [2024-11-17 02:49:02,769 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 19 treesize of output 1 [2024-11-17 02:49:02,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-17 02:49:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:02,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:49:02,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:02,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972768979] [2024-11-17 02:49:02,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972768979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:49:02,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:49:02,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:49:02,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196737452] [2024-11-17 02:49:02,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:49:02,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 02:49:02,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:02,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 02:49:02,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 02:49:02,818 INFO L87 Difference]: Start difference. First operand 1145 states and 1381 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:04,503 INFO L93 Difference]: Finished difference Result 1144 states and 1380 transitions. [2024-11-17 02:49:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 02:49:04,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 69 [2024-11-17 02:49:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:04,509 INFO L225 Difference]: With dead ends: 1144 [2024-11-17 02:49:04,509 INFO L226 Difference]: Without dead ends: 1144 [2024-11-17 02:49:04,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 02:49:04,512 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 1 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:04,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2686 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 02:49:04,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2024-11-17 02:49:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2024-11-17 02:49:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 763 states have (on average 1.7483617300131062) internal successors, (1334), 1132 states have internal predecessors, (1334), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 02:49:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1380 transitions. [2024-11-17 02:49:04,530 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1380 transitions. Word has length 69 [2024-11-17 02:49:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:04,530 INFO L471 AbstractCegarLoop]: Abstraction has 1144 states and 1380 transitions. [2024-11-17 02:49:04,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 02:49:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1380 transitions. [2024-11-17 02:49:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 02:49:04,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:04,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:04,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-17 02:49:04,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:04,733 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:04,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:04,734 INFO L85 PathProgramCache]: Analyzing trace with hash -124344568, now seen corresponding path program 1 times [2024-11-17 02:49:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383544678] [2024-11-17 02:49:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:49:04,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:04,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:04,735 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:04,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-17 02:49:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:49:04,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 02:49:05,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:05,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 02:49:05,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:05,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383544678] [2024-11-17 02:49:05,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383544678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:49:05,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:49:05,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 02:49:05,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508988477] [2024-11-17 02:49:05,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:49:05,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 02:49:05,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 02:49:05,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:49:05,035 INFO L87 Difference]: Start difference. First operand 1144 states and 1380 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 02:49:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:05,068 INFO L93 Difference]: Finished difference Result 1147 states and 1384 transitions. [2024-11-17 02:49:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 02:49:05,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2024-11-17 02:49:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:05,073 INFO L225 Difference]: With dead ends: 1147 [2024-11-17 02:49:05,073 INFO L226 Difference]: Without dead ends: 1147 [2024-11-17 02:49:05,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 02:49:05,074 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 0 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:05,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2935 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 02:49:05,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-11-17 02:49:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2024-11-17 02:49:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 765 states have (on average 1.7477124183006536) internal successors, (1337), 1135 states have internal predecessors, (1337), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-17 02:49:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1384 transitions. [2024-11-17 02:49:05,091 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1384 transitions. Word has length 77 [2024-11-17 02:49:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:05,092 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1384 transitions. [2024-11-17 02:49:05,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 02:49:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1384 transitions. [2024-11-17 02:49:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 02:49:05,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:05,093 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:05,103 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 (17)] Ended with exit code 0 [2024-11-17 02:49:05,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:05,294 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:05,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:05,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1767104257, now seen corresponding path program 1 times [2024-11-17 02:49:05,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:05,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138490779] [2024-11-17 02:49:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:49:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:05,298 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:05,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-17 02:49:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:49:05,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 02:49:05,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:05,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 02:49:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:05,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:05,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138490779] [2024-11-17 02:49:05,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138490779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 02:49:05,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 02:49:05,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 02:49:05,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125506583] [2024-11-17 02:49:05,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 02:49:05,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 02:49:05,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:05,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 02:49:05,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 02:49:05,662 INFO L87 Difference]: Start difference. First operand 1147 states and 1384 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:05,774 INFO L93 Difference]: Finished difference Result 1159 states and 1401 transitions. [2024-11-17 02:49:05,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 02:49:05,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78 [2024-11-17 02:49:05,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:05,784 INFO L225 Difference]: With dead ends: 1159 [2024-11-17 02:49:05,784 INFO L226 Difference]: Without dead ends: 1159 [2024-11-17 02:49:05,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-17 02:49:05,785 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 5 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:05,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4886 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 02:49:05,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-11-17 02:49:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1157. [2024-11-17 02:49:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 774 states have (on average 1.7467700258397933) internal successors, (1352), 1144 states have internal predecessors, (1352), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-17 02:49:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1399 transitions. [2024-11-17 02:49:05,805 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1399 transitions. Word has length 78 [2024-11-17 02:49:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:05,806 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1399 transitions. [2024-11-17 02:49:05,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1399 transitions. [2024-11-17 02:49:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-17 02:49:05,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:05,807 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:05,815 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 (18)] Ended with exit code 0 [2024-11-17 02:49:06,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:06,008 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:06,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1893667640, now seen corresponding path program 2 times [2024-11-17 02:49:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174128192] [2024-11-17 02:49:06,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 02:49:06,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:06,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:06,013 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:06,014 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 (19)] Waiting until timeout for monitored process [2024-11-17 02:49:06,484 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 02:49:06,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 02:49:06,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 02:49:06,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:06,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 02:49:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:06,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:06,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174128192] [2024-11-17 02:49:06,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174128192] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 02:49:06,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 02:49:06,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-17 02:49:06,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505153221] [2024-11-17 02:49:06,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 02:49:06,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 02:49:06,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 02:49:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-17 02:49:06,659 INFO L87 Difference]: Start difference. First operand 1157 states and 1399 transitions. Second operand has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:06,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:06,977 INFO L93 Difference]: Finished difference Result 1172 states and 1421 transitions. [2024-11-17 02:49:06,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 02:49:06,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-17 02:49:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:06,982 INFO L225 Difference]: With dead ends: 1172 [2024-11-17 02:49:06,982 INFO L226 Difference]: Without dead ends: 1168 [2024-11-17 02:49:06,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-17 02:49:06,983 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 13 mSDsluCounter, 5863 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6843 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:06,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6843 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 02:49:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-17 02:49:07,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1166. [2024-11-17 02:49:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 783 states have (on average 1.7420178799489143) internal successors, (1364), 1153 states have internal predecessors, (1364), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-17 02:49:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1411 transitions. [2024-11-17 02:49:07,004 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1411 transitions. Word has length 81 [2024-11-17 02:49:07,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:07,005 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1411 transitions. [2024-11-17 02:49:07,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1411 transitions. [2024-11-17 02:49:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 02:49:07,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:07,006 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:07,018 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 (19)] Ended with exit code 0 [2024-11-17 02:49:07,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:07,208 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:07,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1710968472, now seen corresponding path program 3 times [2024-11-17 02:49:07,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:07,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622556942] [2024-11-17 02:49:07,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 02:49:07,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:07,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:07,214 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 (20)] Waiting until timeout for monitored process [2024-11-17 02:49:07,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 02:49:07,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 02:49:07,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 02:49:07,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:07,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 02:49:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:08,402 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:08,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622556942] [2024-11-17 02:49:08,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622556942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 02:49:08,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 02:49:08,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-17 02:49:08,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721210233] [2024-11-17 02:49:08,403 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 02:49:08,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 02:49:08,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:08,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 02:49:08,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-17 02:49:08,404 INFO L87 Difference]: Start difference. First operand 1166 states and 1411 transitions. Second operand has 26 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:09,762 INFO L93 Difference]: Finished difference Result 1190 states and 1450 transitions. [2024-11-17 02:49:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 02:49:09,763 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 87 [2024-11-17 02:49:09,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:09,767 INFO L225 Difference]: With dead ends: 1190 [2024-11-17 02:49:09,767 INFO L226 Difference]: Without dead ends: 1184 [2024-11-17 02:49:09,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 02:49:09,768 INFO L432 NwaCegarLoop]: 981 mSDtfsCounter, 24 mSDsluCounter, 10760 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 11741 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:09,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 11741 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 02:49:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-17 02:49:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-11-17 02:49:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 801 states have (on average 1.731585518102372) internal successors, (1387), 1171 states have internal predecessors, (1387), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-17 02:49:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1434 transitions. [2024-11-17 02:49:09,786 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1434 transitions. Word has length 87 [2024-11-17 02:49:09,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:09,786 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1434 transitions. [2024-11-17 02:49:09,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1434 transitions. [2024-11-17 02:49:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 02:49:09,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:09,787 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:09,801 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 (20)] Forceful destruction successful, exit code 0 [2024-11-17 02:49:09,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:09,988 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:09,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:09,988 INFO L85 PathProgramCache]: Analyzing trace with hash 892097192, now seen corresponding path program 4 times [2024-11-17 02:49:09,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:09,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300421587] [2024-11-17 02:49:09,989 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 02:49:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:09,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:09,990 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:09,992 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 (21)] Waiting until timeout for monitored process [2024-11-17 02:49:10,422 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 02:49:10,423 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 02:49:10,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 02:49:10,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:10,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 02:49:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:49:11,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:11,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300421587] [2024-11-17 02:49:11,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300421587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 02:49:11,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 02:49:11,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-17 02:49:11,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818962819] [2024-11-17 02:49:11,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 02:49:11,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-17 02:49:11,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 02:49:11,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-17 02:49:11,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 02:49:11,997 INFO L87 Difference]: Start difference. First operand 1184 states and 1434 transitions. Second operand has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:16,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:49:16,454 INFO L93 Difference]: Finished difference Result 1224 states and 1506 transitions. [2024-11-17 02:49:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-17 02:49:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-11-17 02:49:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:49:16,462 INFO L225 Difference]: With dead ends: 1224 [2024-11-17 02:49:16,462 INFO L226 Difference]: Without dead ends: 1220 [2024-11-17 02:49:16,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-17 02:49:16,465 INFO L432 NwaCegarLoop]: 980 mSDtfsCounter, 29 mSDsluCounter, 22474 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 23454 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 02:49:16,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 23454 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 02:49:16,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-17 02:49:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1218. [2024-11-17 02:49:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 835 states have (on average 1.7161676646706587) internal successors, (1433), 1205 states have internal predecessors, (1433), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-17 02:49:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1480 transitions. [2024-11-17 02:49:16,490 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1480 transitions. Word has length 99 [2024-11-17 02:49:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:49:16,490 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1480 transitions. [2024-11-17 02:49:16,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 02:49:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1480 transitions. [2024-11-17 02:49:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 02:49:16,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:49:16,491 INFO L215 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:49:16,510 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 (21)] Forceful destruction successful, exit code 0 [2024-11-17 02:49:16,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:16,696 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr420REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 526 more)] === [2024-11-17 02:49:16,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:49:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 610240072, now seen corresponding path program 5 times [2024-11-17 02:49:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 02:49:16,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882160219] [2024-11-17 02:49:16,698 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 02:49:16,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 02:49:16,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 02:49:16,701 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 02:49:16,702 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 (22)] Waiting until timeout for monitored process [2024-11-17 02:49:17,810 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-17 02:49:17,810 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 02:49:17,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-17 02:49:17,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 02:49:17,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-17 02:49:17,933 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-17 02:49:17,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-17 02:49:17,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-17 02:49:18,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-17 02:49:18,866 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 02:49:18,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2024-11-17 02:49:18,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-17 02:49:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-17 02:49:18,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 02:49:19,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 02:49:19,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882160219] [2024-11-17 02:49:19,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882160219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 02:49:19,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [46412202] [2024-11-17 02:49:19,252 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 02:49:19,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-17 02:49:19,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-17 02:49:19,255 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-17 02:49:19,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process