./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:31:15,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:31:15,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-14 17:31:15,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:31:15,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:31:15,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:31:15,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:31:15,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:31:15,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 17:31:15,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 17:31:15,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:31:15,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:31:15,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:31:15,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:31:15,930 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:31:15,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:31:15,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:31:15,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:31:15,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:31:15,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:31:15,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:31:15,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:31:15,936 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 17:31:15,936 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 17:31:15,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:31:15,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:31:15,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 17:31:15,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:31:15,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:31:15,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:31:15,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:31:15,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:31:15,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:31:15,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:31:15,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 17:31:15,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:31:15,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:31:15,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:31:15,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:31:15,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:31:15,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:31:15,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:31:15,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:31:15,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:31:15,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:31:15,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2024-10-14 17:31:16,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:31:16,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:31:16,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:31:16,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:31:16,235 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:31:16,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2024-10-14 17:31:17,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:31:17,955 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:31:17,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2024-10-14 17:31:17,980 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393159cce/af11319e3e6a45b9936763698bce9566/FLAG631ff3df0 [2024-10-14 17:31:17,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393159cce/af11319e3e6a45b9936763698bce9566 [2024-10-14 17:31:17,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:31:18,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:31:18,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:31:18,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:31:18,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:31:18,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:17" (1/1) ... [2024-10-14 17:31:18,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca1f517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:18, skipping insertion in model container [2024-10-14 17:31:18,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:17" (1/1) ... [2024-10-14 17:31:18,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:31:18,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:31:18,580 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) [2024-10-14 17:31:18,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68be9d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:18, skipping insertion in model container [2024-10-14 17:31:18,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:31:18,581 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-14 17:31:18,582 INFO L158 Benchmark]: Toolchain (without parser) took 582.21ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 66.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:31:18,583 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 103.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:31:18,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.01ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 66.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:31:18,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 103.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.01ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 66.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 766]: 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:31:20,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:31:20,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-14 17:31:20,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:31:20,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:31:20,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:31:20,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:31:20,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:31:20,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 17:31:20,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 17:31:20,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:31:20,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:31:20,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:31:20,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:31:20,724 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:31:20,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:31:20,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:31:20,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:31:20,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:31:20,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:31:20,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:31:20,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:31:20,729 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 17:31:20,730 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 17:31:20,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:31:20,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:31:20,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 17:31:20,731 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 17:31:20,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:31:20,731 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 17:31:20,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:31:20,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:31:20,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:31:20,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:31:20,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:31:20,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:31:20,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 17:31:20,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:31:20,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:31:20,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:31:20,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:31:20,736 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 17:31:20,737 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 17:31:20,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:31:20,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:31:20,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:31:20,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:31:20,738 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 17:31:20,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2024-10-14 17:31:21,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:31:21,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:31:21,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:31:21,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:31:21,102 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:31:21,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2024-10-14 17:31:22,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:31:22,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:31:22,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2024-10-14 17:31:22,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5c7174a/1a10122fafcd4ad8917226a2dee38f2f/FLAGb4c2cb73e [2024-10-14 17:31:22,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5c7174a/1a10122fafcd4ad8917226a2dee38f2f [2024-10-14 17:31:22,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:31:22,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:31:22,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:31:22,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:31:22,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:31:22,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:22" (1/1) ... [2024-10-14 17:31:22,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f491e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:22, skipping insertion in model container [2024-10-14 17:31:22,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:22" (1/1) ... [2024-10-14 17:31:22,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:31:23,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:31:23,537 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-14 17:31:23,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:31:23,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:31:23,648 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:31:23,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:31:23,774 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:31:23,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23 WrapperNode [2024-10-14 17:31:23,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:31:23,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:31:23,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:31:23,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:31:23,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:23,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:23,892 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1176 [2024-10-14 17:31:23,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:31:23,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:31:23,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:31:23,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:31:23,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:23,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:23,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,031 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-10-14 17:31:24,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:31:24,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:31:24,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:31:24,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:31:24,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (1/1) ... [2024-10-14 17:31:24,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:31:24,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:31:24,175 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) [2024-10-14 17:31:24,177 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 [2024-10-14 17:31:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-14 17:31:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 17:31:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 17:31:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 17:31:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 17:31:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 17:31:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 17:31:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 17:31:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 17:31:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 17:31:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 17:31:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-14 17:31:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-14 17:31:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:31:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:31:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 17:31:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 17:31:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 17:31:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 17:31:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 17:31:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 17:31:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 17:31:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 17:31:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 17:31:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:31:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:31:24,490 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:31:24,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:31:31,705 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-10-14 17:31:31,705 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:31:31,743 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:31:31,745 INFO L314 CfgBuilder]: Removed 71 assume(true) statements. [2024-10-14 17:31:31,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:31 BoogieIcfgContainer [2024-10-14 17:31:31,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:31:31,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:31:31,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:31:31,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:31:31,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:31:22" (1/3) ... [2024-10-14 17:31:31,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25685b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:31, skipping insertion in model container [2024-10-14 17:31:31,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:23" (2/3) ... [2024-10-14 17:31:31,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25685b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:31, skipping insertion in model container [2024-10-14 17:31:31,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:31" (3/3) ... [2024-10-14 17:31:31,755 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-2.i [2024-10-14 17:31:31,772 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:31:31,772 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 17:31:31,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:31:31,842 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;@3d2094da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:31:31,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 17:31:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 233 states have (on average 1.6824034334763949) internal successors, (392), 252 states have internal predecessors, (392), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 17:31:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 17:31:31,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:31,858 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:31:31,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:31,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash 666562819, now seen corresponding path program 1 times [2024-10-14 17:31:31,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:31,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938399916] [2024-10-14 17:31:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:31,879 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 [2024-10-14 17:31:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:31,884 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) [2024-10-14 17:31:31,890 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 [2024-10-14 17:31:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:32,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 17:31:32,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:32,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:32,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:32,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938399916] [2024-10-14 17:31:32,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938399916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:32,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:32,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:31:32,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146440559] [2024-10-14 17:31:32,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:32,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 17:31:32,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:32,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 17:31:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 17:31:32,173 INFO L87 Difference]: Start difference. First operand has 262 states, 233 states have (on average 1.6824034334763949) internal successors, (392), 252 states have internal predecessors, (392), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 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) [2024-10-14 17:31:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:32,259 INFO L93 Difference]: Finished difference Result 260 states and 356 transitions. [2024-10-14 17:31:32,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 17:31:32,263 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 [2024-10-14 17:31:32,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:32,275 INFO L225 Difference]: With dead ends: 260 [2024-10-14 17:31:32,275 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 17:31:32,276 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 [2024-10-14 17:31:32,280 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:32,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 17:31:32,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 17:31:32,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-10-14 17:31:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 232 states have (on average 1.3491379310344827) internal successors, (313), 249 states have internal predecessors, (313), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 17:31:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 355 transitions. [2024-10-14 17:31:32,366 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 355 transitions. Word has length 10 [2024-10-14 17:31:32,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:32,366 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 355 transitions. [2024-10-14 17:31:32,366 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) [2024-10-14 17:31:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 355 transitions. [2024-10-14 17:31:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 17:31:32,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:32,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:31:32,381 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 [2024-10-14 17:31:32,569 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 [2024-10-14 17:31:32,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:32,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash -757099125, now seen corresponding path program 1 times [2024-10-14 17:31:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211032964] [2024-10-14 17:31:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:32,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:31:32,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:32,573 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) [2024-10-14 17:31:32,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 17:31:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:32,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 17:31:32,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:32,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:31:32,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:31:32,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:31:32,888 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 [2024-10-14 17:31:33,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:31:33,018 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 [2024-10-14 17:31:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:33,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:33,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:33,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211032964] [2024-10-14 17:31:33,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211032964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:33,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:33,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:31:33,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086842284] [2024-10-14 17:31:33,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:33,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:31:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:33,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:31:33,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:31:33,091 INFO L87 Difference]: Start difference. First operand 259 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:31:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:33,732 INFO L93 Difference]: Finished difference Result 470 states and 634 transitions. [2024-10-14 17:31:33,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:31:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-14 17:31:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:33,737 INFO L225 Difference]: With dead ends: 470 [2024-10-14 17:31:33,738 INFO L226 Difference]: Without dead ends: 470 [2024-10-14 17:31:33,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:31:33,740 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 265 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:33,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 986 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 17:31:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-14 17:31:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 261. [2024-10-14 17:31:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 234 states have (on average 1.3461538461538463) internal successors, (315), 251 states have internal predecessors, (315), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 17:31:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 357 transitions. [2024-10-14 17:31:33,763 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 357 transitions. Word has length 12 [2024-10-14 17:31:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:33,764 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 357 transitions. [2024-10-14 17:31:33,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:31:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 357 transitions. [2024-10-14 17:31:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 17:31:33,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:33,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:31:33,772 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 [2024-10-14 17:31:33,967 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 [2024-10-14 17:31:33,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:33,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash 409058189, now seen corresponding path program 1 times [2024-10-14 17:31:33,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:33,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993500461] [2024-10-14 17:31:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:33,969 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 [2024-10-14 17:31:33,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:33,975 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) [2024-10-14 17:31:33,978 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 [2024-10-14 17:31:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:34,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:31:34,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:34,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:34,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:34,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993500461] [2024-10-14 17:31:34,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993500461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:34,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:34,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:31:34,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013871730] [2024-10-14 17:31:34,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:34,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:31:34,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:34,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:31:34,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:31:34,369 INFO L87 Difference]: Start difference. First operand 261 states and 357 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 17:31:34,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:34,518 INFO L93 Difference]: Finished difference Result 264 states and 352 transitions. [2024-10-14 17:31:34,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:31:34,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 66 [2024-10-14 17:31:34,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:34,521 INFO L225 Difference]: With dead ends: 264 [2024-10-14 17:31:34,521 INFO L226 Difference]: Without dead ends: 264 [2024-10-14 17:31:34,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:31:34,522 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 30 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:34,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 943 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:31:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-14 17:31:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-10-14 17:31:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 237 states have (on average 1.3080168776371308) internal successors, (310), 254 states have internal predecessors, (310), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 17:31:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 352 transitions. [2024-10-14 17:31:34,542 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 352 transitions. Word has length 66 [2024-10-14 17:31:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:34,542 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 352 transitions. [2024-10-14 17:31:34,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 17:31:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2024-10-14 17:31:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 17:31:34,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:34,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:31:34,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-14 17:31:34,745 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 [2024-10-14 17:31:34,746 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:34,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:34,747 INFO L85 PathProgramCache]: Analyzing trace with hash 387171585, now seen corresponding path program 1 times [2024-10-14 17:31:34,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:34,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452475819] [2024-10-14 17:31:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:34,748 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 [2024-10-14 17:31:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:34,751 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) [2024-10-14 17:31:34,752 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 [2024-10-14 17:31:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:35,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 17:31:35,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:35,331 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:35,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:35,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452475819] [2024-10-14 17:31:35,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452475819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:35,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:35,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:31:35,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849778368] [2024-10-14 17:31:35,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:35,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 17:31:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:35,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 17:31:35,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:31:35,334 INFO L87 Difference]: Start difference. First operand 264 states and 352 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-14 17:31:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:35,501 INFO L93 Difference]: Finished difference Result 258 states and 342 transitions. [2024-10-14 17:31:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:31:35,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 66 [2024-10-14 17:31:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:35,503 INFO L225 Difference]: With dead ends: 258 [2024-10-14 17:31:35,503 INFO L226 Difference]: Without dead ends: 258 [2024-10-14 17:31:35,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:31:35,505 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:35,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 940 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 17:31:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-14 17:31:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-10-14 17:31:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 231 states have (on average 1.2987012987012987) internal successors, (300), 248 states have internal predecessors, (300), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 17:31:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2024-10-14 17:31:35,516 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 66 [2024-10-14 17:31:35,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:35,517 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-10-14 17:31:35,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-14 17:31:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2024-10-14 17:31:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 17:31:35,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:35,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:31:35,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-14 17:31:35,723 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 [2024-10-14 17:31:35,724 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:35,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:35,724 INFO L85 PathProgramCache]: Analyzing trace with hash 781538371, now seen corresponding path program 1 times [2024-10-14 17:31:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:35,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410529559] [2024-10-14 17:31:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:35,725 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 [2024-10-14 17:31:35,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:35,727 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) [2024-10-14 17:31:35,728 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 [2024-10-14 17:31:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:36,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:31:36,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:36,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:36,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:36,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410529559] [2024-10-14 17:31:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410529559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:31:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024629197] [2024-10-14 17:31:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:36,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:31:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:31:36,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:31:36,409 INFO L87 Difference]: Start difference. First operand 258 states and 342 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2024-10-14 17:31:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:37,042 INFO L93 Difference]: Finished difference Result 396 states and 512 transitions. [2024-10-14 17:31:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:31:37,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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 66 [2024-10-14 17:31:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:37,044 INFO L225 Difference]: With dead ends: 396 [2024-10-14 17:31:37,044 INFO L226 Difference]: Without dead ends: 396 [2024-10-14 17:31:37,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:31:37,046 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 125 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:37,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 673 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 17:31:37,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-14 17:31:37,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 364. [2024-10-14 17:31:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 336 states have (on average 1.2708333333333333) internal successors, (427), 353 states have internal predecessors, (427), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 17:31:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 471 transitions. [2024-10-14 17:31:37,057 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 471 transitions. Word has length 66 [2024-10-14 17:31:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:37,057 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 471 transitions. [2024-10-14 17:31:37,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2024-10-14 17:31:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 471 transitions. [2024-10-14 17:31:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 17:31:37,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:37,060 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 17:31:37,069 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 [2024-10-14 17:31:37,264 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 [2024-10-14 17:31:37,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:37,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:37,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1917441306, now seen corresponding path program 1 times [2024-10-14 17:31:37,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:37,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128890186] [2024-10-14 17:31:37,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:37,266 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 [2024-10-14 17:31:37,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:37,269 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) [2024-10-14 17:31:37,270 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 [2024-10-14 17:31:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:37,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:31:37,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:31:37,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:31:37,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:37,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128890186] [2024-10-14 17:31:37,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128890186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:31:37,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:31:37,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:31:37,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534110248] [2024-10-14 17:31:37,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:31:37,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:31:37,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:37,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:31:37,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:31:37,739 INFO L87 Difference]: Start difference. First operand 364 states and 471 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-10-14 17:31:37,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:37,850 INFO L93 Difference]: Finished difference Result 366 states and 474 transitions. [2024-10-14 17:31:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:31:37,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 79 [2024-10-14 17:31:37,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:37,857 INFO L225 Difference]: With dead ends: 366 [2024-10-14 17:31:37,857 INFO L226 Difference]: Without dead ends: 366 [2024-10-14 17:31:37,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:31:37,858 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 0 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:37,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 995 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:31:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-14 17:31:37,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-10-14 17:31:37,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 337 states have (on average 1.2729970326409497) internal successors, (429), 355 states have internal predecessors, (429), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 474 transitions. [2024-10-14 17:31:37,868 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 474 transitions. Word has length 79 [2024-10-14 17:31:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:37,879 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 474 transitions. [2024-10-14 17:31:37,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-10-14 17:31:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 474 transitions. [2024-10-14 17:31:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 17:31:37,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:37,882 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 17:31:37,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-14 17:31:38,086 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 [2024-10-14 17:31:38,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:38,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1800298452, now seen corresponding path program 1 times [2024-10-14 17:31:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:38,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898301975] [2024-10-14 17:31:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:31:38,088 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 [2024-10-14 17:31:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:38,089 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) [2024-10-14 17:31:38,090 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 [2024-10-14 17:31:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:31:38,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:31:38,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 17:31:38,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 17:31:38,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:38,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898301975] [2024-10-14 17:31:38,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898301975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:38,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:38,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-14 17:31:38,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578156174] [2024-10-14 17:31:38,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:38,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 17:31:38,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:38,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 17:31:38,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 17:31:38,819 INFO L87 Difference]: Start difference. First operand 366 states and 474 transitions. Second operand has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:39,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:39,057 INFO L93 Difference]: Finished difference Result 375 states and 488 transitions. [2024-10-14 17:31:39,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 17:31:39,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 81 [2024-10-14 17:31:39,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:39,061 INFO L225 Difference]: With dead ends: 375 [2024-10-14 17:31:39,061 INFO L226 Difference]: Without dead ends: 375 [2024-10-14 17:31:39,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-14 17:31:39,062 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 5 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:39,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 995 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 17:31:39,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-14 17:31:39,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 374. [2024-10-14 17:31:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 344 states have (on average 1.2848837209302326) internal successors, (442), 362 states have internal predecessors, (442), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 487 transitions. [2024-10-14 17:31:39,072 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 487 transitions. Word has length 81 [2024-10-14 17:31:39,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:39,072 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 487 transitions. [2024-10-14 17:31:39,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 487 transitions. [2024-10-14 17:31:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 17:31:39,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:39,074 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-14 17:31:39,088 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 [2024-10-14 17:31:39,278 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 [2024-10-14 17:31:39,279 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:39,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:39,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1933250630, now seen corresponding path program 2 times [2024-10-14 17:31:39,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:39,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014678023] [2024-10-14 17:31:39,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:31:39,280 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 [2024-10-14 17:31:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:39,282 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) [2024-10-14 17:31:39,283 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 [2024-10-14 17:31:40,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 17:31:40,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:31:40,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 17:31:40,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 17:31:40,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 17:31:40,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:40,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014678023] [2024-10-14 17:31:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014678023] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:40,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:40,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 17:31:40,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380154158] [2024-10-14 17:31:40,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:40,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 17:31:40,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 17:31:40,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 17:31:40,880 INFO L87 Difference]: Start difference. First operand 374 states and 487 transitions. Second operand has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:31:41,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:41,301 INFO L93 Difference]: Finished difference Result 380 states and 497 transitions. [2024-10-14 17:31:41,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 17:31:41,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2024-10-14 17:31:41,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:41,304 INFO L225 Difference]: With dead ends: 380 [2024-10-14 17:31:41,304 INFO L226 Difference]: Without dead ends: 380 [2024-10-14 17:31:41,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-14 17:31:41,305 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 5 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:41,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1979 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 17:31:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-14 17:31:41,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 378. [2024-10-14 17:31:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 348 states have (on average 1.293103448275862) internal successors, (450), 366 states have internal predecessors, (450), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 495 transitions. [2024-10-14 17:31:41,317 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 495 transitions. Word has length 85 [2024-10-14 17:31:41,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:41,318 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 495 transitions. [2024-10-14 17:31:41,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:31:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 495 transitions. [2024-10-14 17:31:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 17:31:41,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:41,319 INFO L215 NwaCegarLoop]: trace histogram [10, 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] [2024-10-14 17:31:41,338 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 [2024-10-14 17:31:41,520 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 [2024-10-14 17:31:41,521 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:41,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:41,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1935901574, now seen corresponding path program 3 times [2024-10-14 17:31:41,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:41,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094528057] [2024-10-14 17:31:41,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 17:31:41,522 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 [2024-10-14 17:31:41,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:41,524 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) [2024-10-14 17:31:41,525 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 [2024-10-14 17:31:44,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-14 17:31:44,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:31:44,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 17:31:44,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 17:31:44,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 17:31:45,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:45,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094528057] [2024-10-14 17:31:45,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094528057] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:45,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:45,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-14 17:31:45,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609539541] [2024-10-14 17:31:45,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:45,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 17:31:45,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:45,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 17:31:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-14 17:31:45,448 INFO L87 Difference]: Start difference. First operand 378 states and 495 transitions. Second operand has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:31:46,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:46,643 INFO L93 Difference]: Finished difference Result 392 states and 518 transitions. [2024-10-14 17:31:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 17:31:46,643 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 89 [2024-10-14 17:31:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:46,646 INFO L225 Difference]: With dead ends: 392 [2024-10-14 17:31:46,646 INFO L226 Difference]: Without dead ends: 390 [2024-10-14 17:31:46,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=324, Invalid=606, Unknown=0, NotChecked=0, Total=930 [2024-10-14 17:31:46,647 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 9 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:46,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3294 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 17:31:46,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-14 17:31:46,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 389. [2024-10-14 17:31:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 359 states have (on average 1.309192200557103) internal successors, (470), 377 states have internal predecessors, (470), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 515 transitions. [2024-10-14 17:31:46,665 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 515 transitions. Word has length 89 [2024-10-14 17:31:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:46,665 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 515 transitions. [2024-10-14 17:31:46,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:31:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 515 transitions. [2024-10-14 17:31:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 17:31:46,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:46,667 INFO L215 NwaCegarLoop]: trace histogram [18, 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] [2024-10-14 17:31:46,689 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 [2024-10-14 17:31:46,867 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 [2024-10-14 17:31:46,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1631483386, now seen corresponding path program 4 times [2024-10-14 17:31:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:46,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567878855] [2024-10-14 17:31:46,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 17:31:46,869 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 [2024-10-14 17:31:46,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:46,872 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) [2024-10-14 17:31:46,875 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 [2024-10-14 17:31:47,529 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 17:31:47,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:31:47,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 17:31:47,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 17:31:47,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-14 17:31:47,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:47,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567878855] [2024-10-14 17:31:47,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567878855] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:47,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:47,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-14 17:31:47,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653439038] [2024-10-14 17:31:47,818 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:47,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 17:31:47,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:47,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 17:31:47,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-14 17:31:47,820 INFO L87 Difference]: Start difference. First operand 389 states and 515 transitions. Second operand has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:48,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:48,382 INFO L93 Difference]: Finished difference Result 395 states and 522 transitions. [2024-10-14 17:31:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:31:48,383 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-14 17:31:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:48,385 INFO L225 Difference]: With dead ends: 395 [2024-10-14 17:31:48,385 INFO L226 Difference]: Without dead ends: 393 [2024-10-14 17:31:48,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-14 17:31:48,386 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 7 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2642 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:48,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2642 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 17:31:48,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-14 17:31:48,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 392. [2024-10-14 17:31:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 362 states have (on average 1.3011049723756907) internal successors, (471), 380 states have internal predecessors, (471), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 516 transitions. [2024-10-14 17:31:48,398 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 516 transitions. Word has length 97 [2024-10-14 17:31:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:48,398 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 516 transitions. [2024-10-14 17:31:48,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 516 transitions. [2024-10-14 17:31:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 17:31:48,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:48,400 INFO L215 NwaCegarLoop]: trace histogram [24, 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] [2024-10-14 17:31:48,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-10-14 17:31:48,600 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 [2024-10-14 17:31:48,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:48,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:48,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1555998118, now seen corresponding path program 5 times [2024-10-14 17:31:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:48,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724609858] [2024-10-14 17:31:48,602 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 17:31:48,602 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 [2024-10-14 17:31:48,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:48,603 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) [2024-10-14 17:31:48,604 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 [2024-10-14 17:31:49,421 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-14 17:31:49,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:31:49,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 17:31:49,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 167 proven. 55 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 17:31:49,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-14 17:31:50,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:50,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724609858] [2024-10-14 17:31:50,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724609858] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:50,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:50,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-14 17:31:50,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947079732] [2024-10-14 17:31:50,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:50,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 17:31:50,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:50,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 17:31:50,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-14 17:31:50,048 INFO L87 Difference]: Start difference. First operand 392 states and 516 transitions. Second operand has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:31:52,191 INFO L93 Difference]: Finished difference Result 407 states and 541 transitions. [2024-10-14 17:31:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-14 17:31:52,192 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2024-10-14 17:31:52,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:31:52,194 INFO L225 Difference]: With dead ends: 407 [2024-10-14 17:31:52,194 INFO L226 Difference]: Without dead ends: 405 [2024-10-14 17:31:52,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 17:31:52,195 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 13 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:31:52,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3966 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 17:31:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-14 17:31:52,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 404. [2024-10-14 17:31:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 374 states have (on average 1.2914438502673797) internal successors, (483), 392 states have internal predecessors, (483), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:31:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 528 transitions. [2024-10-14 17:31:52,214 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 528 transitions. Word has length 103 [2024-10-14 17:31:52,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:31:52,214 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 528 transitions. [2024-10-14 17:31:52,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:31:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 528 transitions. [2024-10-14 17:31:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 17:31:52,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:31:52,215 INFO L215 NwaCegarLoop]: trace histogram [36, 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] [2024-10-14 17:31:52,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-10-14 17:31:52,419 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 [2024-10-14 17:31:52,420 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:31:52,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:31:52,420 INFO L85 PathProgramCache]: Analyzing trace with hash 818858778, now seen corresponding path program 6 times [2024-10-14 17:31:52,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:31:52,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478504667] [2024-10-14 17:31:52,421 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 17:31:52,421 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 [2024-10-14 17:31:52,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:31:52,422 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) [2024-10-14 17:31:52,423 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 [2024-10-14 17:31:56,898 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-10-14 17:31:56,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:31:56,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 17:31:56,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:31:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 347 proven. 253 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 17:31:57,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:31:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 599 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-14 17:31:59,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:31:59,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478504667] [2024-10-14 17:31:59,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478504667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:31:59,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:31:59,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-14 17:31:59,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032356503] [2024-10-14 17:31:59,660 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:31:59,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-14 17:31:59,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:31:59,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-14 17:31:59,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 17:31:59,663 INFO L87 Difference]: Start difference. First operand 404 states and 528 transitions. Second operand has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:32:07,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:32:07,480 INFO L93 Difference]: Finished difference Result 440 states and 594 transitions. [2024-10-14 17:32:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-14 17:32:07,481 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 115 [2024-10-14 17:32:07,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:32:07,486 INFO L225 Difference]: With dead ends: 440 [2024-10-14 17:32:07,486 INFO L226 Difference]: Without dead ends: 437 [2024-10-14 17:32:07,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=2784, Invalid=5958, Unknown=0, NotChecked=0, Total=8742 [2024-10-14 17:32:07,489 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 25 mSDsluCounter, 8577 mSDsCounter, 0 mSdLazyCounter, 2043 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 8910 SdHoareTripleChecker+Invalid, 2054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 17:32:07,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 8910 Invalid, 2054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2043 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 17:32:07,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-14 17:32:07,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-14 17:32:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 407 states have (on average 1.28992628992629) internal successors, (525), 425 states have internal predecessors, (525), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:32:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 570 transitions. [2024-10-14 17:32:07,505 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 570 transitions. Word has length 115 [2024-10-14 17:32:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:32:07,505 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 570 transitions. [2024-10-14 17:32:07,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:32:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 570 transitions. [2024-10-14 17:32:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 17:32:07,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:32:07,508 INFO L215 NwaCegarLoop]: trace histogram [58, 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] [2024-10-14 17:32:07,538 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 [2024-10-14 17:32:07,711 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 [2024-10-14 17:32:07,712 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:32:07,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:32:07,712 INFO L85 PathProgramCache]: Analyzing trace with hash -773187462, now seen corresponding path program 7 times [2024-10-14 17:32:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:32:07,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879878224] [2024-10-14 17:32:07,713 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-14 17:32:07,713 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 [2024-10-14 17:32:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:32:07,717 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) [2024-10-14 17:32:07,718 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 [2024-10-14 17:32:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:32:08,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 17:32:08,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:32:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 676 proven. 105 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-14 17:32:08,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:32:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 676 proven. 105 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-14 17:32:09,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:32:09,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879878224] [2024-10-14 17:32:09,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879878224] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:32:09,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:32:09,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2024-10-14 17:32:09,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170464952] [2024-10-14 17:32:09,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:32:09,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-14 17:32:09,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:32:09,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-14 17:32:09,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 17:32:09,762 INFO L87 Difference]: Start difference. First operand 437 states and 570 transitions. Second operand has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:32:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:32:12,732 INFO L93 Difference]: Finished difference Result 446 states and 586 transitions. [2024-10-14 17:32:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-14 17:32:12,733 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 137 [2024-10-14 17:32:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:32:12,735 INFO L225 Difference]: With dead ends: 446 [2024-10-14 17:32:12,735 INFO L226 Difference]: Without dead ends: 446 [2024-10-14 17:32:12,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1292, Invalid=2614, Unknown=0, NotChecked=0, Total=3906 [2024-10-14 17:32:12,737 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 17 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 17:32:12,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5599 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 17:32:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-14 17:32:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 444. [2024-10-14 17:32:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 414 states have (on average 1.3019323671497585) internal successors, (539), 432 states have internal predecessors, (539), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:32:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 584 transitions. [2024-10-14 17:32:12,746 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 584 transitions. Word has length 137 [2024-10-14 17:32:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:32:12,746 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 584 transitions. [2024-10-14 17:32:12,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:32:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 584 transitions. [2024-10-14 17:32:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 17:32:12,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:32:12,748 INFO L215 NwaCegarLoop]: trace histogram [74, 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] [2024-10-14 17:32:12,766 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 [2024-10-14 17:32:12,948 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 [2024-10-14 17:32:12,948 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:32:12,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:32:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1168411514, now seen corresponding path program 8 times [2024-10-14 17:32:12,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:32:12,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404621955] [2024-10-14 17:32:12,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:32:12,950 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 [2024-10-14 17:32:12,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:32:12,952 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) [2024-10-14 17:32:12,952 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 [2024-10-14 17:32:14,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 17:32:14,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:32:14,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-14 17:32:14,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:32:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1396 proven. 465 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-14 17:32:15,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:32:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1396 proven. 465 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-14 17:32:18,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:32:18,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404621955] [2024-10-14 17:32:18,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404621955] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:32:18,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:32:18,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2024-10-14 17:32:18,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091857112] [2024-10-14 17:32:18,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:32:18,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-14 17:32:18,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:32:18,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-14 17:32:18,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1153, Invalid=3137, Unknown=0, NotChecked=0, Total=4290 [2024-10-14 17:32:18,113 INFO L87 Difference]: Start difference. First operand 444 states and 584 transitions. Second operand has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:32:29,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:32:29,545 INFO L93 Difference]: Finished difference Result 478 states and 650 transitions. [2024-10-14 17:32:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-10-14 17:32:29,546 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 153 [2024-10-14 17:32:29,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:32:29,548 INFO L225 Difference]: With dead ends: 478 [2024-10-14 17:32:29,548 INFO L226 Difference]: Without dead ends: 478 [2024-10-14 17:32:29,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2760 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=5148, Invalid=10854, Unknown=0, NotChecked=0, Total=16002 [2024-10-14 17:32:29,553 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 33 mSDsluCounter, 10201 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 10533 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 17:32:29,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 10533 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 17:32:29,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-14 17:32:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 476. [2024-10-14 17:32:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 446 states have (on average 1.352017937219731) internal successors, (603), 464 states have internal predecessors, (603), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-14 17:32:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 648 transitions. [2024-10-14 17:32:29,566 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 648 transitions. Word has length 153 [2024-10-14 17:32:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:32:29,567 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 648 transitions. [2024-10-14 17:32:29,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:32:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 648 transitions. [2024-10-14 17:32:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 17:32:29,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:32:29,569 INFO L215 NwaCegarLoop]: trace histogram [106, 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] [2024-10-14 17:32:29,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-10-14 17:32:29,769 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 [2024-10-14 17:32:29,770 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:32:29,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:32:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1229418874, now seen corresponding path program 9 times [2024-10-14 17:32:29,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:32:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571866740] [2024-10-14 17:32:29,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 17:32:29,772 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 [2024-10-14 17:32:29,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:32:29,775 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) [2024-10-14 17:32:29,776 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