./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:14:21,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:14:21,424 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-22 18:14:21,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:14:21,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:14:21,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:14:21,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:14:21,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:14:21,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:14:21,454 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:14:21,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:14:21,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:14:21,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:14:21,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:14:21,457 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:14:21,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:14:21,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:14:21,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:14:21,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:14:21,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:14:21,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:14:21,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:14:21,463 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:14:21,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:14:21,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:14:21,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:14:21,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:14:21,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:14:21,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:14:21,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:14:21,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:14:21,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:14:21,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:14:21,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:14:21,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 18:14:21,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 18:14:21,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:14:21,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:14:21,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:14:21,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:14:21,468 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-11-22 18:14:21,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:14:21,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:14:21,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:14:21,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:14:21,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:14:21,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-22 18:14:23,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:14:23,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:14:23,529 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-22 18:14:23,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b1bcf0f/e422310d5768411aa27ed968c0992a79/FLAGf231ce263 [2024-11-22 18:14:23,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b1bcf0f/e422310d5768411aa27ed968c0992a79 [2024-11-22 18:14:23,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:14:23,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:14:23,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:14:23,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:14:23,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:14:23,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:14:23" (1/1) ... [2024-11-22 18:14:23,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759e23b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:23, skipping insertion in model container [2024-11-22 18:14:23,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:14:23" (1/1) ... [2024-11-22 18:14:23,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:14:24,468 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,566 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,569 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:24,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:14:24,599 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-22 18:14:24,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16daddf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:24, skipping insertion in model container [2024-11-22 18:14:24,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:14:24,604 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-22 18:14:24,605 INFO L158 Benchmark]: Toolchain (without parser) took 806.01ms. Allocated memory is still 203.4MB. Free memory was 167.9MB in the beginning and 142.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 18:14:24,606 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 18:14:24,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.55ms. Allocated memory is still 203.4MB. Free memory was 167.9MB in the beginning and 142.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 18:14:24,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.55ms. Allocated memory is still 203.4MB. Free memory was 167.9MB in the beginning and 142.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:14:26,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:14:26,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-22 18:14:26,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:14:26,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:14:26,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:14:26,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:14:26,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:14:26,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:14:26,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:14:26,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:14:26,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:14:26,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:14:26,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:14:26,750 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:14:26,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:14:26,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:14:26,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:14:26,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:14:26,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:14:26,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:14:26,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:14:26,757 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:14:26,757 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:14:26,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:14:26,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:14:26,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:14:26,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 18:14:26,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:14:26,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 18:14:26,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:14:26,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:14:26,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:14:26,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:14:26,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:14:26,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:14:26,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:14:26,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:14:26,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:14:26,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:14:26,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:14:26,765 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 18:14:26,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 18:14:26,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:14:26,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:14:26,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:14:26,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:14:26,766 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-11-22 18:14:27,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:14:27,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:14:27,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:14:27,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:14:27,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:14:27,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-22 18:14:28,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:14:29,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:14:29,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-22 18:14:29,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0279a1d5e/c7724d6c0c7c48c29695b4ab08fcf460/FLAG7874e4af8 [2024-11-22 18:14:29,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0279a1d5e/c7724d6c0c7c48c29695b4ab08fcf460 [2024-11-22 18:14:29,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:14:29,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:14:29,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:14:29,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:14:29,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:14:29,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:14:29" (1/1) ... [2024-11-22 18:14:29,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b7791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:29, skipping insertion in model container [2024-11-22 18:14:29,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:14:29" (1/1) ... [2024-11-22 18:14:29,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:14:29,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,730 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,748 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,777 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,783 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,784 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,788 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:14:29,815 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-22 18:14:29,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:14:29,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,878 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,884 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,921 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,922 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,924 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,926 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,936 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:14:29,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:14:29,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 18:14:30,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:14:30,102 INFO L204 MainTranslator]: Completed translation [2024-11-22 18:14:30,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30 WrapperNode [2024-11-22 18:14:30,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:14:30,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 18:14:30,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 18:14:30,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 18:14:30,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,226 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1071 [2024-11-22 18:14:30,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 18:14:30,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 18:14:30,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 18:14:30,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 18:14:30,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,363 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-22 18:14:30,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 18:14:30,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 18:14:30,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 18:14:30,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 18:14:30,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (1/1) ... [2024-11-22 18:14:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:14:30,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:14:30,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 18:14:30,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 18:14:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-22 18:14:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 18:14:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 18:14:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-22 18:14:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-22 18:14:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 18:14:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-22 18:14:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 18:14:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-22 18:14:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-22 18:14:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 18:14:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 18:14:30,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 18:14:30,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 18:14:38,952 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-22 18:14:38,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 18:14:38,976 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 18:14:38,977 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-22 18:14:38,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:14:38 BoogieIcfgContainer [2024-11-22 18:14:38,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 18:14:38,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 18:14:38,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 18:14:38,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 18:14:38,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:14:29" (1/3) ... [2024-11-22 18:14:38,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2e892c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:14:38, skipping insertion in model container [2024-11-22 18:14:38,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:14:30" (2/3) ... [2024-11-22 18:14:38,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2e892c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:14:38, skipping insertion in model container [2024-11-22 18:14:38,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:14:38" (3/3) ... [2024-11-22 18:14:38,986 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-1.i [2024-11-22 18:14:39,001 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 18:14:39,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 18:14:39,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 18:14:39,057 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;@15f32349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 18:14:39,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 18:14:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 209 states have (on average 1.6076555023923444) internal successors, (336), 214 states have internal predecessors, (336), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 18:14:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 18:14:39,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:39,075 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:39,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:39,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1647619846, now seen corresponding path program 1 times [2024-11-22 18:14:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:39,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634021249] [2024-11-22 18:14:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:39,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:39,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:39,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:39,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 18:14:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:39,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 18:14:39,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:39,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:39,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:39,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634021249] [2024-11-22 18:14:39,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634021249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:39,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:39,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 18:14:39,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409211476] [2024-11-22 18:14:39,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:39,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 18:14:39,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 18:14:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 18:14:39,392 INFO L87 Difference]: Start difference. First operand has 234 states, 209 states have (on average 1.6076555023923444) internal successors, (336), 214 states have internal predecessors, (336), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:39,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:39,433 INFO L93 Difference]: Finished difference Result 229 states and 294 transitions. [2024-11-22 18:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 18:14:39,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-22 18:14:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:39,445 INFO L225 Difference]: With dead ends: 229 [2024-11-22 18:14:39,445 INFO L226 Difference]: Without dead ends: 227 [2024-11-22 18:14:39,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 18:14:39,451 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:39,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 18:14:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-22 18:14:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-22 18:14:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 204 states have (on average 1.2843137254901962) internal successors, (262), 209 states have internal predecessors, (262), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:14:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 292 transitions. [2024-11-22 18:14:39,551 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 292 transitions. Word has length 10 [2024-11-22 18:14:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:39,551 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 292 transitions. [2024-11-22 18:14:39,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 292 transitions. [2024-11-22 18:14:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 18:14:39,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:39,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:39,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 18:14:39,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:39,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:39,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash -617467811, now seen corresponding path program 1 times [2024-11-22 18:14:39,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:39,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895110784] [2024-11-22 18:14:39,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:39,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:39,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:39,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:39,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 18:14:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:39,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:14:39,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:40,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:40,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895110784] [2024-11-22 18:14:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895110784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:40,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:40,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:14:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865930278] [2024-11-22 18:14:40,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:40,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:14:40,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:40,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:14:40,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:40,099 INFO L87 Difference]: Start difference. First operand 227 states and 292 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:14:45,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:45,773 INFO L93 Difference]: Finished difference Result 343 states and 444 transitions. [2024-11-22 18:14:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:14:45,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 18:14:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:45,777 INFO L225 Difference]: With dead ends: 343 [2024-11-22 18:14:45,777 INFO L226 Difference]: Without dead ends: 343 [2024-11-22 18:14:45,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:45,781 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 139 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:45,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 791 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-22 18:14:45,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-22 18:14:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 339. [2024-11-22 18:14:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 316 states have (on average 1.2943037974683544) internal successors, (409), 321 states have internal predecessors, (409), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:14:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 439 transitions. [2024-11-22 18:14:45,816 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 439 transitions. Word has length 12 [2024-11-22 18:14:45,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:45,817 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-22 18:14:45,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 439 transitions. [2024-11-22 18:14:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 18:14:45,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:45,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:45,824 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 [2024-11-22 18:14:46,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:46,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:46,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:46,021 INFO L85 PathProgramCache]: Analyzing trace with hash -559454960, now seen corresponding path program 1 times [2024-11-22 18:14:46,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28577058] [2024-11-22 18:14:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:46,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:46,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:46,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:46,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 18:14:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:46,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 18:14:46,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:46,250 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:46,251 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:46,252 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:46,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-22 18:14:46,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:14:46,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-22 18:14:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:46,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:46,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28577058] [2024-11-22 18:14:46,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28577058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:46,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:46,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:14:46,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061146628] [2024-11-22 18:14:46,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:46,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:14:46,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:46,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:14:46,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:46,336 INFO L87 Difference]: Start difference. First operand 339 states and 439 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:46,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:46,823 INFO L93 Difference]: Finished difference Result 519 states and 679 transitions. [2024-11-22 18:14:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:14:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-22 18:14:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:46,829 INFO L225 Difference]: With dead ends: 519 [2024-11-22 18:14:46,829 INFO L226 Difference]: Without dead ends: 519 [2024-11-22 18:14:46,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:14:46,830 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 230 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:46,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 824 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 18:14:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-22 18:14:46,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 338. [2024-11-22 18:14:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 315 states have (on average 1.2920634920634921) internal successors, (407), 320 states have internal predecessors, (407), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:14:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 437 transitions. [2024-11-22 18:14:46,851 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 437 transitions. Word has length 15 [2024-11-22 18:14:46,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:46,851 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 437 transitions. [2024-11-22 18:14:46,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 437 transitions. [2024-11-22 18:14:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 18:14:46,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:46,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:46,860 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 [2024-11-22 18:14:47,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:47,058 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:47,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:47,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1940751512, now seen corresponding path program 1 times [2024-11-22 18:14:47,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:47,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257773007] [2024-11-22 18:14:47,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:47,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:47,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:47,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 18:14:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:47,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 18:14:47,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:47,439 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:47,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:47,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257773007] [2024-11-22 18:14:47,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257773007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:47,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:47,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:14:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416406936] [2024-11-22 18:14:47,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:47,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:14:47,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:47,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:14:47,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:47,445 INFO L87 Difference]: Start difference. First operand 338 states and 437 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:47,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:47,540 INFO L93 Difference]: Finished difference Result 344 states and 427 transitions. [2024-11-22 18:14:47,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 18:14:47,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-22 18:14:47,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:47,543 INFO L225 Difference]: With dead ends: 344 [2024-11-22 18:14:47,543 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 18:14:47,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:14:47,544 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 30 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:47,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 767 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:14:47,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 18:14:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-22 18:14:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 321 states have (on average 1.236760124610592) internal successors, (397), 326 states have internal predecessors, (397), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 18:14:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 427 transitions. [2024-11-22 18:14:47,555 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 427 transitions. Word has length 50 [2024-11-22 18:14:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:47,555 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 427 transitions. [2024-11-22 18:14:47,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 427 transitions. [2024-11-22 18:14:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 18:14:47,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:47,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:47,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-22 18:14:47,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:47,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:47,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1486167460, now seen corresponding path program 1 times [2024-11-22 18:14:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:47,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75464542] [2024-11-22 18:14:47,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:47,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:47,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:47,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:47,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 18:14:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:48,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:14:48,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:48,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:48,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:48,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75464542] [2024-11-22 18:14:48,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75464542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:48,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:48,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 18:14:48,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931180205] [2024-11-22 18:14:48,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:48,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:14:48,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:48,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:14:48,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:14:48,114 INFO L87 Difference]: Start difference. First operand 344 states and 427 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:48,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:48,201 INFO L93 Difference]: Finished difference Result 354 states and 437 transitions. [2024-11-22 18:14:48,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:14:48,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-22 18:14:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:48,203 INFO L225 Difference]: With dead ends: 354 [2024-11-22 18:14:48,203 INFO L226 Difference]: Without dead ends: 354 [2024-11-22 18:14:48,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:14:48,204 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 9 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:48,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1371 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:14:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-22 18:14:48,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-22 18:14:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 328 states have (on average 1.2347560975609757) internal successors, (405), 334 states have internal predecessors, (405), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 18:14:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 437 transitions. [2024-11-22 18:14:48,214 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 437 transitions. Word has length 50 [2024-11-22 18:14:48,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:48,214 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 437 transitions. [2024-11-22 18:14:48,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:14:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 437 transitions. [2024-11-22 18:14:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 18:14:48,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:48,216 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:48,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-22 18:14:48,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:48,417 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:48,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:48,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1102378676, now seen corresponding path program 1 times [2024-11-22 18:14:48,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:48,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805345549] [2024-11-22 18:14:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:48,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:48,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:48,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:48,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 18:14:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:48,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:14:48,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:48,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:48,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:48,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805345549] [2024-11-22 18:14:48,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805345549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:48,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:48,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:14:48,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813953081] [2024-11-22 18:14:48,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:48,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:14:48,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:48,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:14:48,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:14:48,965 INFO L87 Difference]: Start difference. First operand 354 states and 437 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 18:14:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:49,199 INFO L93 Difference]: Finished difference Result 362 states and 447 transitions. [2024-11-22 18:14:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 18:14:49,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2024-11-22 18:14:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:49,203 INFO L225 Difference]: With dead ends: 362 [2024-11-22 18:14:49,205 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 18:14:49,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 18:14:49,207 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 20 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:49,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 990 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 18:14:49,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 18:14:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2024-11-22 18:14:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 330 states have (on average 1.2333333333333334) internal successors, (407), 337 states have internal predecessors, (407), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-22 18:14:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 442 transitions. [2024-11-22 18:14:49,223 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 442 transitions. Word has length 65 [2024-11-22 18:14:49,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:49,224 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 442 transitions. [2024-11-22 18:14:49,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 18:14:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 442 transitions. [2024-11-22 18:14:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 18:14:49,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:49,225 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:49,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-22 18:14:49,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:49,426 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:49,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:49,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1344249161, now seen corresponding path program 1 times [2024-11-22 18:14:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:49,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332561426] [2024-11-22 18:14:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:49,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:49,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:49,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 18:14:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:49,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:14:49,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:49,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:49,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:49,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332561426] [2024-11-22 18:14:49,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332561426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:49,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:49,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:14:49,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302535760] [2024-11-22 18:14:49,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:49,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:14:49,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:49,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:14:49,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:49,876 INFO L87 Difference]: Start difference. First operand 358 states and 442 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 18:14:49,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:49,929 INFO L93 Difference]: Finished difference Result 362 states and 447 transitions. [2024-11-22 18:14:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:14:49,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 70 [2024-11-22 18:14:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:49,932 INFO L225 Difference]: With dead ends: 362 [2024-11-22 18:14:49,932 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 18:14:49,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:49,933 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 0 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:49,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 826 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 18:14:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 18:14:49,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-22 18:14:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 333 states have (on average 1.2342342342342343) internal successors, (411), 341 states have internal predecessors, (411), 19 states have call successors, (19), 7 states have call predecessors, (19), 8 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-22 18:14:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 447 transitions. [2024-11-22 18:14:49,946 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 447 transitions. Word has length 70 [2024-11-22 18:14:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:49,948 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 447 transitions. [2024-11-22 18:14:49,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 18:14:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 447 transitions. [2024-11-22 18:14:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 18:14:49,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:49,950 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:49,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-22 18:14:50,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:50,151 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:50,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:50,152 INFO L85 PathProgramCache]: Analyzing trace with hash 198026384, now seen corresponding path program 1 times [2024-11-22 18:14:50,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:50,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034085670] [2024-11-22 18:14:50,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:50,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:50,153 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:50,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 18:14:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:50,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 18:14:50,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:50,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:14:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:14:50,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:50,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034085670] [2024-11-22 18:14:50,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034085670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:14:50,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:14:50,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 18:14:50,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409636707] [2024-11-22 18:14:50,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:14:50,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 18:14:50,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:50,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 18:14:50,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:14:50,757 INFO L87 Difference]: Start difference. First operand 362 states and 447 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:14:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:50,984 INFO L93 Difference]: Finished difference Result 375 states and 465 transitions. [2024-11-22 18:14:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 18:14:50,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 71 [2024-11-22 18:14:50,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:50,987 INFO L225 Difference]: With dead ends: 375 [2024-11-22 18:14:50,987 INFO L226 Difference]: Without dead ends: 375 [2024-11-22 18:14:50,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-22 18:14:50,988 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 4 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:50,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1642 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:14:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-22 18:14:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 372. [2024-11-22 18:14:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 342 states have (on average 1.2456140350877194) internal successors, (426), 350 states have internal predecessors, (426), 19 states have call successors, (19), 8 states have call predecessors, (19), 9 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-22 18:14:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 462 transitions. [2024-11-22 18:14:50,997 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 462 transitions. Word has length 71 [2024-11-22 18:14:50,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:50,998 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 462 transitions. [2024-11-22 18:14:50,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:14:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 462 transitions. [2024-11-22 18:14:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 18:14:50,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:50,999 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:51,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 18:14:51,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:51,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:51,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash -502361865, now seen corresponding path program 2 times [2024-11-22 18:14:51,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:51,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282619191] [2024-11-22 18:14:51,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:14:51,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:51,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:51,203 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:51,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 18:14:51,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:14:51,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:14:51,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 18:14:51,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 18:14:52,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:14:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 18:14:52,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:52,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282619191] [2024-11-22 18:14:52,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282619191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:14:52,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:14:52,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-22 18:14:52,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546801894] [2024-11-22 18:14:52,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:14:52,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 18:14:52,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:52,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 18:14:52,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-22 18:14:52,421 INFO L87 Difference]: Start difference. First operand 372 states and 462 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:14:54,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:54,628 INFO L93 Difference]: Finished difference Result 2726 states and 3450 transitions. [2024-11-22 18:14:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 18:14:54,630 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2024-11-22 18:14:54,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:54,646 INFO L225 Difference]: With dead ends: 2726 [2024-11-22 18:14:54,647 INFO L226 Difference]: Without dead ends: 2726 [2024-11-22 18:14:54,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2024-11-22 18:14:54,650 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 2331 mSDsluCounter, 4913 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 5669 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:54,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 5669 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 18:14:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2024-11-22 18:14:54,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 1887. [2024-11-22 18:14:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1793 states have (on average 1.2576687116564418) internal successors, (2255), 1807 states have internal predecessors, (2255), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:14:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2375 transitions. [2024-11-22 18:14:54,710 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2375 transitions. Word has length 74 [2024-11-22 18:14:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:54,711 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2375 transitions. [2024-11-22 18:14:54,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 7 states have call successors, (10), 6 states have call predecessors, (10), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:14:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2375 transitions. [2024-11-22 18:14:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 18:14:54,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:54,714 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:54,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-22 18:14:54,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:54,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:54,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:54,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1616929423, now seen corresponding path program 1 times [2024-11-22 18:14:54,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:54,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388807732] [2024-11-22 18:14:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:54,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:54,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-22 18:14:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:55,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 18:14:55,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 18:14:55,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:14:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 18:14:56,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388807732] [2024-11-22 18:14:56,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388807732] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:14:56,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:14:56,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 18:14:56,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310849903] [2024-11-22 18:14:56,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:14:56,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 18:14:56,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:56,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 18:14:56,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-22 18:14:56,242 INFO L87 Difference]: Start difference. First operand 1887 states and 2375 transitions. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:14:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:57,180 INFO L93 Difference]: Finished difference Result 1977 states and 2500 transitions. [2024-11-22 18:14:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 18:14:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 110 [2024-11-22 18:14:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:57,189 INFO L225 Difference]: With dead ends: 1977 [2024-11-22 18:14:57,189 INFO L226 Difference]: Without dead ends: 1947 [2024-11-22 18:14:57,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-22 18:14:57,190 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 7 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:57,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2732 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 18:14:57,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-22 18:14:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1932. [2024-11-22 18:14:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1838 states have (on average 1.2595212187159956) internal successors, (2315), 1852 states have internal predecessors, (2315), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:14:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2435 transitions. [2024-11-22 18:14:57,235 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2435 transitions. Word has length 110 [2024-11-22 18:14:57,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:57,235 INFO L471 AbstractCegarLoop]: Abstraction has 1932 states and 2435 transitions. [2024-11-22 18:14:57,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 14 states have internal predecessors, (112), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:14:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2435 transitions. [2024-11-22 18:14:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-22 18:14:57,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:57,238 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:57,252 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 [2024-11-22 18:14:57,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:57,439 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1059147878, now seen corresponding path program 2 times [2024-11-22 18:14:57,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:57,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641889705] [2024-11-22 18:14:57,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:14:57,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:57,444 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:57,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-22 18:14:57,781 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 18:14:57,781 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:14:57,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:14:57,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:57,802 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:57,803 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:57,804 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 18:14:57,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-22 18:14:57,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:14:57,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-22 18:14:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-22 18:14:57,889 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:14:57,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:14:57,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641889705] [2024-11-22 18:14:57,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641889705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:14:57,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:14:57,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:14:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301844521] [2024-11-22 18:14:57,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:14:57,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:14:57,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:14:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:14:57,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:14:57,892 INFO L87 Difference]: Start difference. First operand 1932 states and 2435 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:14:58,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:14:58,271 INFO L93 Difference]: Finished difference Result 2702 states and 3455 transitions. [2024-11-22 18:14:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:14:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 119 [2024-11-22 18:14:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:14:58,284 INFO L225 Difference]: With dead ends: 2702 [2024-11-22 18:14:58,284 INFO L226 Difference]: Without dead ends: 2702 [2024-11-22 18:14:58,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:14:58,285 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 215 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 18:14:58,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 769 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 18:14:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2024-11-22 18:14:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 1944. [2024-11-22 18:14:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1850 states have (on average 1.2578378378378379) internal successors, (2327), 1864 states have internal predecessors, (2327), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:14:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2447 transitions. [2024-11-22 18:14:58,330 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2447 transitions. Word has length 119 [2024-11-22 18:14:58,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:14:58,331 INFO L471 AbstractCegarLoop]: Abstraction has 1944 states and 2447 transitions. [2024-11-22 18:14:58,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:14:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2447 transitions. [2024-11-22 18:14:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 18:14:58,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:14:58,332 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:14:58,347 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 (12)] Forceful destruction successful, exit code 0 [2024-11-22 18:14:58,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:58,537 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:14:58,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:14:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1325047018, now seen corresponding path program 1 times [2024-11-22 18:14:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:14:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735640709] [2024-11-22 18:14:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:14:58,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:14:58,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:14:58,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:14:58,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-22 18:14:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:14:59,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 18:14:59,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:14:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 95 proven. 55 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 18:14:59,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:15:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-22 18:15:00,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:15:00,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735640709] [2024-11-22 18:15:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735640709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:15:00,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:15:00,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-22 18:15:00,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039753265] [2024-11-22 18:15:00,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:15:00,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-22 18:15:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:15:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-22 18:15:00,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-22 18:15:00,151 INFO L87 Difference]: Start difference. First operand 1944 states and 2447 transitions. Second operand has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:15:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:15:03,119 INFO L93 Difference]: Finished difference Result 2079 states and 2662 transitions. [2024-11-22 18:15:03,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-22 18:15:03,120 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-22 18:15:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:15:03,126 INFO L225 Difference]: With dead ends: 2079 [2024-11-22 18:15:03,126 INFO L226 Difference]: Without dead ends: 2049 [2024-11-22 18:15:03,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-22 18:15:03,128 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 14 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 18:15:03,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3283 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 18:15:03,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2024-11-22 18:15:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2034. [2024-11-22 18:15:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1940 states have (on average 1.261340206185567) internal successors, (2447), 1954 states have internal predecessors, (2447), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:15:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2567 transitions. [2024-11-22 18:15:03,162 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2567 transitions. Word has length 126 [2024-11-22 18:15:03,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:15:03,162 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2567 transitions. [2024-11-22 18:15:03,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 26 states have internal predecessors, (118), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:15:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2567 transitions. [2024-11-22 18:15:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 18:15:03,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:15:03,164 INFO L215 NwaCegarLoop]: trace histogram [33, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:15:03,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-22 18:15:03,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:03,365 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:15:03,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:15:03,365 INFO L85 PathProgramCache]: Analyzing trace with hash -951160330, now seen corresponding path program 2 times [2024-11-22 18:15:03,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:15:03,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032254465] [2024-11-22 18:15:03,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:15:03,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:03,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:15:03,367 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:15:03,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-22 18:15:04,585 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:15:04,585 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:15:04,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 18:15:04,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:15:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 317 proven. 253 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-22 18:15:05,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:15:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-22 18:15:07,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:15:07,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032254465] [2024-11-22 18:15:07,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032254465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:15:07,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:15:07,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-22 18:15:07,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532080126] [2024-11-22 18:15:07,322 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:15:07,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-22 18:15:07,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:15:07,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-22 18:15:07,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 18:15:07,325 INFO L87 Difference]: Start difference. First operand 2034 states and 2567 transitions. Second operand has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:15:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:15:21,441 INFO L93 Difference]: Finished difference Result 2249 states and 2942 transitions. [2024-11-22 18:15:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-22 18:15:21,443 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 144 [2024-11-22 18:15:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:15:21,449 INFO L225 Difference]: With dead ends: 2249 [2024-11-22 18:15:21,449 INFO L226 Difference]: Without dead ends: 2219 [2024-11-22 18:15:21,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-22 18:15:21,452 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 26 mSDsluCounter, 7366 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7643 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:15:21,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7643 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-22 18:15:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2024-11-22 18:15:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2204. [2024-11-22 18:15:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 2110 states have (on average 1.2687203791469195) internal successors, (2677), 2124 states have internal predecessors, (2677), 58 states have call successors, (58), 32 states have call predecessors, (58), 34 states have return successors, (62), 47 states have call predecessors, (62), 54 states have call successors, (62) [2024-11-22 18:15:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 2797 transitions. [2024-11-22 18:15:21,492 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 2797 transitions. Word has length 144 [2024-11-22 18:15:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:15:21,493 INFO L471 AbstractCegarLoop]: Abstraction has 2204 states and 2797 transitions. [2024-11-22 18:15:21,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.84) internal successors, (142), 50 states have internal predecessors, (142), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-22 18:15:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2797 transitions. [2024-11-22 18:15:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 18:15:21,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:15:21,495 INFO L215 NwaCegarLoop]: trace histogram [67, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:15:21,521 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 [2024-11-22 18:15:21,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:21,696 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:15:21,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:15:21,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1179384982, now seen corresponding path program 3 times [2024-11-22 18:15:21,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:15:21,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028078169] [2024-11-22 18:15:21,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:15:21,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:21,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:15:21,698 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:15:21,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-22 18:15:22,904 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 18:15:22,905 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:15:22,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-22 18:15:22,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:15:23,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2024-11-22 18:15:23,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 334 [2024-11-22 18:15:23,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 214 [2024-11-22 18:15:23,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:15:23,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 214 treesize of output 94 [2024-11-22 18:15:25,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 116 [2024-11-22 18:15:25,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 68 [2024-11-22 18:15:25,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:15:25,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 20 [2024-11-22 18:15:25,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:15:25,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 214 treesize of output 106 [2024-11-22 18:15:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-11-22 18:15:26,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:15:26,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:15:26,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028078169] [2024-11-22 18:15:26,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028078169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:15:26,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:15:26,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 18:15:26,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433018081] [2024-11-22 18:15:26,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:15:26,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 18:15:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:15:26,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 18:15:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 18:15:26,048 INFO L87 Difference]: Start difference. First operand 2204 states and 2797 transitions. Second operand has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 18:15:28,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:15:36,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:15:36,029 INFO L93 Difference]: Finished difference Result 2788 states and 3549 transitions. [2024-11-22 18:15:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 18:15:36,031 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 178 [2024-11-22 18:15:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:15:36,040 INFO L225 Difference]: With dead ends: 2788 [2024-11-22 18:15:36,040 INFO L226 Difference]: Without dead ends: 2773 [2024-11-22 18:15:36,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-22 18:15:36,041 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 276 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 3171 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-22 18:15:36,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 3171 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-11-22 18:15:36,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2024-11-22 18:15:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2467. [2024-11-22 18:15:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2364 states have (on average 1.2584602368866329) internal successors, (2975), 2379 states have internal predecessors, (2975), 62 states have call successors, (62), 36 states have call predecessors, (62), 39 states have return successors, (71), 51 states have call predecessors, (71), 58 states have call successors, (71) [2024-11-22 18:15:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3108 transitions. [2024-11-22 18:15:36,085 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3108 transitions. Word has length 178 [2024-11-22 18:15:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:15:36,086 INFO L471 AbstractCegarLoop]: Abstraction has 2467 states and 3108 transitions. [2024-11-22 18:15:36,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 18:15:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3108 transitions. [2024-11-22 18:15:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-22 18:15:36,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:15:36,088 INFO L215 NwaCegarLoop]: trace histogram [68, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:15:36,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-22 18:15:36,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:36,289 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:15:36,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:15:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash 389438833, now seen corresponding path program 4 times [2024-11-22 18:15:36,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:15:36,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194293720] [2024-11-22 18:15:36,291 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 18:15:36,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:36,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:15:36,294 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:15:36,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-22 18:15:38,351 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 18:15:38,351 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:15:38,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:15:38,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:15:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2512 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2024-11-22 18:15:38,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:15:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2512 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2024-11-22 18:15:38,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:15:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194293720] [2024-11-22 18:15:38,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194293720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:15:38,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:15:38,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 18:15:38,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802512773] [2024-11-22 18:15:38,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:15:38,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 18:15:38,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:15:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 18:15:38,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:15:38,751 INFO L87 Difference]: Start difference. First operand 2467 states and 3108 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-22 18:15:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:15:39,107 INFO L93 Difference]: Finished difference Result 2497 states and 3128 transitions. [2024-11-22 18:15:39,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 18:15:39,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 179 [2024-11-22 18:15:39,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:15:39,114 INFO L225 Difference]: With dead ends: 2497 [2024-11-22 18:15:39,114 INFO L226 Difference]: Without dead ends: 2467 [2024-11-22 18:15:39,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-22 18:15:39,115 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 4 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 18:15:39,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1107 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 18:15:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2024-11-22 18:15:39,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2467. [2024-11-22 18:15:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2364 states have (on average 1.252115059221658) internal successors, (2960), 2379 states have internal predecessors, (2960), 62 states have call successors, (62), 36 states have call predecessors, (62), 39 states have return successors, (71), 51 states have call predecessors, (71), 58 states have call successors, (71) [2024-11-22 18:15:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3093 transitions. [2024-11-22 18:15:39,153 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3093 transitions. Word has length 179 [2024-11-22 18:15:39,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:15:39,154 INFO L471 AbstractCegarLoop]: Abstraction has 2467 states and 3093 transitions. [2024-11-22 18:15:39,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-22 18:15:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3093 transitions. [2024-11-22 18:15:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 18:15:39,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:15:39,156 INFO L215 NwaCegarLoop]: trace histogram [71, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:15:39,186 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 [2024-11-22 18:15:39,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:39,357 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:15:39,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:15:39,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1581964118, now seen corresponding path program 5 times [2024-11-22 18:15:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:15:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325675916] [2024-11-22 18:15:39,359 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 18:15:39,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:15:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:15:39,362 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:15:39,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-22 18:15:49,316 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-11-22 18:15:49,316 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:15:49,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-22 18:15:49,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:15:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 1446 proven. 276 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2024-11-22 18:15:50,069 INFO L311 TraceCheckSpWp]: Computing backward predicates...