./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:04:28,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:04:29,005 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-17 00:04:29,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:04:29,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:04:29,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:04:29,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:04:29,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:04:29,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:04:29,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:04:29,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:04:29,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:04:29,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:04:29,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:04:29,036 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:04:29,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:04:29,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:04:29,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:04:29,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:04:29,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:04:29,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:04:29,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:04:29,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:04:29,043 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:04:29,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:04:29,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:04:29,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:04:29,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:04:29,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:04:29,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:04:29,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:04:29,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:04:29,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:04:29,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:04:29,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-11-17 00:04:29,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:04:29,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:04:29,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:04:29,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:04:29,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:04:29,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-17 00:04:30,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:04:30,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:04:30,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-17 00:04:30,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279ec9136/9a90c8de2eb946d68254a1ff789a0c12/FLAGb05296117 [2024-11-17 00:04:31,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279ec9136/9a90c8de2eb946d68254a1ff789a0c12 [2024-11-17 00:04:31,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:04:31,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:04:31,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:04:31,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:04:31,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:04:31,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:04:31" (1/1) ... [2024-11-17 00:04:31,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749e3ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:31, skipping insertion in model container [2024-11-17 00:04:31,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:04:31" (1/1) ... [2024-11-17 00:04:31,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:04:31,590 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,624 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,627 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,632 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,638 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,714 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,715 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,718 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,718 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,740 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,748 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,749 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,756 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:31,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:04:31,784 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-17 00:04:31,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48c02ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:31, skipping insertion in model container [2024-11-17 00:04:31,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:04:31,786 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-17 00:04:31,787 INFO L158 Benchmark]: Toolchain (without parser) took 608.06ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 126.5MB in the end (delta: -39.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 00:04:31,787 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 00:04:31,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.29ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 126.5MB in the end (delta: -39.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 00:04:31,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.29ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 126.5MB in the end (delta: -39.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:04:33,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:04:33,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-17 00:04:33,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:04:33,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:04:33,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:04:33,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:04:33,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:04:33,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:04:33,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:04:33,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:04:33,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:04:33,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:04:33,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:04:33,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:04:33,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:04:33,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:04:33,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:04:33,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:04:33,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:04:33,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:04:33,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:04:33,648 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:04:33,649 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:04:33,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:04:33,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:04:33,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:04:33,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 00:04:33,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:04:33,650 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 00:04:33,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:04:33,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:04:33,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:04:33,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:04:33,651 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:04:33,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:04:33,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:04:33,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:04:33,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:04:33,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:04:33,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:04:33,653 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 00:04:33,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 00:04:33,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:04:33,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:04:33,654 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:04:33,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:04:33,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-11-17 00:04:33,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:04:33,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:04:33,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:04:33,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:04:33,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:04:33,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-17 00:04:35,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:04:35,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:04:35,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-17 00:04:35,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d2101a0a/1c85bc917dda49d8bfe2e6538f3add6d/FLAG0ff243642 [2024-11-17 00:04:35,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d2101a0a/1c85bc917dda49d8bfe2e6538f3add6d [2024-11-17 00:04:35,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:04:35,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:04:35,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:04:35,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:04:35,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:04:35,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:04:35" (1/1) ... [2024-11-17 00:04:35,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7823a504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:35, skipping insertion in model container [2024-11-17 00:04:35,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:04:35" (1/1) ... [2024-11-17 00:04:35,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:04:36,318 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,347 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,356 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,359 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,370 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,393 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,395 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,398 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,400 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,403 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,408 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,408 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,409 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:04:36,433 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-17 00:04:36,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:04:36,477 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,493 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,494 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,496 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,498 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,517 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,518 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,519 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,519 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,521 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,521 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,522 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,522 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:04:36,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:04:36,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:04:36,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:04:36,635 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:04:36,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36 WrapperNode [2024-11-17 00:04:36,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:04:36,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:04:36,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:04:36,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:04:36,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,732 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 984 [2024-11-17 00:04:36,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:04:36,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:04:36,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:04:36,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:04:36,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,818 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [34, 2, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [4, 0, 50]. [2024-11-17 00:04:36,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:04:36,870 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:04:36,870 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:04:36,870 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:04:36,871 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (1/1) ... [2024-11-17 00:04:36,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:04:36,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:04:36,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 00:04:36,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 00:04:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 00:04:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-17 00:04:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-17 00:04:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 00:04:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 00:04:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 00:04:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 00:04:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 00:04:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 00:04:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 00:04:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-17 00:04:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 00:04:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-17 00:04:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:04:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:04:37,162 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:04:37,165 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:04:44,656 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 00:04:44,736 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-17 00:04:44,736 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:04:44,755 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:04:44,756 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 00:04:44,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:04:44 BoogieIcfgContainer [2024-11-17 00:04:44,757 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:04:44,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:04:44,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:04:44,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:04:44,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:04:35" (1/3) ... [2024-11-17 00:04:44,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd04490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:04:44, skipping insertion in model container [2024-11-17 00:04:44,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:04:36" (2/3) ... [2024-11-17 00:04:44,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd04490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:04:44, skipping insertion in model container [2024-11-17 00:04:44,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:04:44" (3/3) ... [2024-11-17 00:04:44,765 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2024-11-17 00:04:44,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:04:44,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 00:04:44,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:04:44,831 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;@7b7ffc1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:04:44,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 00:04:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 213 states have (on average 1.6525821596244132) internal successors, (352), 232 states have internal predecessors, (352), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 00:04:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 00:04:44,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:44,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:44,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:44,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:44,850 INFO L85 PathProgramCache]: Analyzing trace with hash -587558780, now seen corresponding path program 1 times [2024-11-17 00:04:44,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:44,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637795405] [2024-11-17 00:04:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:44,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:44,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:44,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:44,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 00:04:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:45,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 00:04:45,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:04:45,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:04:45,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637795405] [2024-11-17 00:04:45,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637795405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:04:45,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:04:45,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:04:45,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176423190] [2024-11-17 00:04:45,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:04:45,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 00:04:45,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:45,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 00:04:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 00:04:45,069 INFO L87 Difference]: Start difference. First operand has 242 states, 213 states have (on average 1.6525821596244132) internal successors, (352), 232 states have internal predecessors, (352), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:45,103 INFO L93 Difference]: Finished difference Result 240 states and 325 transitions. [2024-11-17 00:04:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 00:04:45,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 00:04:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:45,114 INFO L225 Difference]: With dead ends: 240 [2024-11-17 00:04:45,114 INFO L226 Difference]: Without dead ends: 237 [2024-11-17 00:04:45,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 00:04:45,118 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:45,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:04:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-17 00:04:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-17 00:04:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 210 states have (on average 1.3333333333333333) internal successors, (280), 227 states have internal predecessors, (280), 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) [2024-11-17 00:04:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 322 transitions. [2024-11-17 00:04:45,163 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 322 transitions. Word has length 8 [2024-11-17 00:04:45,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:45,164 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 322 transitions. [2024-11-17 00:04:45,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 322 transitions. [2024-11-17 00:04:45,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 00:04:45,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:45,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:45,169 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 (2)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:45,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:45,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:45,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:45,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1735982306, now seen corresponding path program 1 times [2024-11-17 00:04:45,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:45,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991871721] [2024-11-17 00:04:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:45,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:45,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-17 00:04:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:45,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 00:04:45,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:45,560 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:04:45,561 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:04:45,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:04:45,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-17 00:04:45,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:04:45,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-17 00:04:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:04:45,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:04:45,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991871721] [2024-11-17 00:04:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991871721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:04:45,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:04:45,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:04:45,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241330082] [2024-11-17 00:04:45,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:04:45,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:04:45,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:45,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:04:45,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:04:45,679 INFO L87 Difference]: Start difference. First operand 237 states and 322 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:46,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:46,194 INFO L93 Difference]: Finished difference Result 422 states and 564 transitions. [2024-11-17 00:04:46,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:04:46,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-17 00:04:46,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:46,199 INFO L225 Difference]: With dead ends: 422 [2024-11-17 00:04:46,199 INFO L226 Difference]: Without dead ends: 422 [2024-11-17 00:04:46,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:04:46,201 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 228 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:46,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 953 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:04:46,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-17 00:04:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 239. [2024-11-17 00:04:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 212 states have (on average 1.330188679245283) internal successors, (282), 229 states have internal predecessors, (282), 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) [2024-11-17 00:04:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 324 transitions. [2024-11-17 00:04:46,228 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 324 transitions. Word has length 10 [2024-11-17 00:04:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:46,228 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 324 transitions. [2024-11-17 00:04:46,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 324 transitions. [2024-11-17 00:04:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 00:04:46,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:46,230 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:46,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:46,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:46,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:46,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:46,432 INFO L85 PathProgramCache]: Analyzing trace with hash 643579467, now seen corresponding path program 1 times [2024-11-17 00:04:46,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:46,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373878366] [2024-11-17 00:04:46,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:46,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:46,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:46,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:46,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-17 00:04:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:46,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:04:46,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:04:46,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:04:46,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:46,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373878366] [2024-11-17 00:04:46,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373878366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:04:46,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:04:46,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:04:46,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507938122] [2024-11-17 00:04:46,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:04:46,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:04:46,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:46,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:04:46,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:04:46,774 INFO L87 Difference]: Start difference. First operand 239 states and 324 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:46,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:46,892 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2024-11-17 00:04:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:04:46,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 68 [2024-11-17 00:04:46,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:46,894 INFO L225 Difference]: With dead ends: 242 [2024-11-17 00:04:46,894 INFO L226 Difference]: Without dead ends: 242 [2024-11-17 00:04:46,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:04:46,895 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 30 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:46,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 856 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:04:46,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-17 00:04:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-17 00:04:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 215 states have (on average 1.2883720930232558) internal successors, (277), 232 states have internal predecessors, (277), 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) [2024-11-17 00:04:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 319 transitions. [2024-11-17 00:04:46,908 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 319 transitions. Word has length 68 [2024-11-17 00:04:46,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:46,908 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 319 transitions. [2024-11-17 00:04:46,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 319 transitions. [2024-11-17 00:04:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 00:04:46,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:46,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:46,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:47,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:47,111 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:47,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:47,111 INFO L85 PathProgramCache]: Analyzing trace with hash -45913467, now seen corresponding path program 1 times [2024-11-17 00:04:47,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:47,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709227036] [2024-11-17 00:04:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:47,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:47,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:47,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-17 00:04:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:47,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:04:47,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:04:47,628 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:04:47,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:47,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709227036] [2024-11-17 00:04:47,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709227036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:04:47,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:04:47,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:04:47,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482736992] [2024-11-17 00:04:47,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:04:47,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:04:47,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:47,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:04:47,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:04:47,631 INFO L87 Difference]: Start difference. First operand 242 states and 319 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:48,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:48,203 INFO L93 Difference]: Finished difference Result 360 states and 463 transitions. [2024-11-17 00:04:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:04:48,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 68 [2024-11-17 00:04:48,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:48,205 INFO L225 Difference]: With dead ends: 360 [2024-11-17 00:04:48,205 INFO L226 Difference]: Without dead ends: 360 [2024-11-17 00:04:48,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:04:48,206 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 95 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:48,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 648 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:04:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-17 00:04:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 354. [2024-11-17 00:04:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 326 states have (on average 1.2699386503067485) internal successors, (414), 343 states have internal predecessors, (414), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 00:04:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 458 transitions. [2024-11-17 00:04:48,216 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 458 transitions. Word has length 68 [2024-11-17 00:04:48,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:48,216 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 458 transitions. [2024-11-17 00:04:48,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:04:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 458 transitions. [2024-11-17 00:04:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 00:04:48,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:48,220 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, 1, 1] [2024-11-17 00:04:48,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:48,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:48,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:48,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1723415899, now seen corresponding path program 1 times [2024-11-17 00:04:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276273766] [2024-11-17 00:04:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:48,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:48,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:48,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-17 00:04:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:48,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 00:04:48,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:48,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:04:48,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:04:48,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:48,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276273766] [2024-11-17 00:04:48,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276273766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:04:48,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:04:48,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:04:48,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982443506] [2024-11-17 00:04:48,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:04:48,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:04:48,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:48,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:04:48,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:04:48,792 INFO L87 Difference]: Start difference. First operand 354 states and 458 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 00:04:48,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:48,834 INFO L93 Difference]: Finished difference Result 357 states and 462 transitions. [2024-11-17 00:04:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:04:48,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 83 [2024-11-17 00:04:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:48,837 INFO L225 Difference]: With dead ends: 357 [2024-11-17 00:04:48,837 INFO L226 Difference]: Without dead ends: 357 [2024-11-17 00:04:48,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:04:48,838 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 0 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:48,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 920 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:04:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-17 00:04:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-11-17 00:04:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 328 states have (on average 1.271341463414634) internal successors, (417), 346 states have internal predecessors, (417), 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) [2024-11-17 00:04:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 462 transitions. [2024-11-17 00:04:48,858 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 462 transitions. Word has length 83 [2024-11-17 00:04:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:48,859 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 462 transitions. [2024-11-17 00:04:48,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 00:04:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 462 transitions. [2024-11-17 00:04:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 00:04:48,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:48,861 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:48,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:49,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:49,062 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:49,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1821737279, now seen corresponding path program 1 times [2024-11-17 00:04:49,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:49,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101483686] [2024-11-17 00:04:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:04:49,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:49,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:49,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:49,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-17 00:04:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:04:49,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 00:04:49,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 00:04:49,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:04:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 00:04:49,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:49,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101483686] [2024-11-17 00:04:49,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101483686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:04:49,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:04:49,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 00:04:49,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890613610] [2024-11-17 00:04:49,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:04:49,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:04:49,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:49,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:04:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:04:49,504 INFO L87 Difference]: Start difference. First operand 357 states and 462 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 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) [2024-11-17 00:04:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:49,643 INFO L93 Difference]: Finished difference Result 368 states and 478 transitions. [2024-11-17 00:04:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 00:04:49,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 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 85 [2024-11-17 00:04:49,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:49,646 INFO L225 Difference]: With dead ends: 368 [2024-11-17 00:04:49,646 INFO L226 Difference]: Without dead ends: 368 [2024-11-17 00:04:49,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:04:49,646 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 4 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:49,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1529 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:04:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-17 00:04:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-17 00:04:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 336 states have (on average 1.2827380952380953) internal successors, (431), 354 states have internal predecessors, (431), 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) [2024-11-17 00:04:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 476 transitions. [2024-11-17 00:04:49,655 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 476 transitions. Word has length 85 [2024-11-17 00:04:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:49,656 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 476 transitions. [2024-11-17 00:04:49,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 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) [2024-11-17 00:04:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 476 transitions. [2024-11-17 00:04:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 00:04:49,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:49,657 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:49,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:49,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:49,858 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:49,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash -393794181, now seen corresponding path program 2 times [2024-11-17 00:04:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:49,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145431962] [2024-11-17 00:04:49,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:04:49,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:49,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:49,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:49,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-17 00:04:50,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 00:04:50,956 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:04:50,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 00:04:50,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:04:51,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:04:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:04:51,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:51,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145431962] [2024-11-17 00:04:51,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145431962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:04:51,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:04:51,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-17 00:04:51,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846699831] [2024-11-17 00:04:51,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:04:51,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 00:04:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 00:04:51,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:04:51,218 INFO L87 Difference]: Start difference. First operand 366 states and 476 transitions. Second operand has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 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) [2024-11-17 00:04:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:51,709 INFO L93 Difference]: Finished difference Result 381 states and 498 transitions. [2024-11-17 00:04:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 00:04:51,710 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 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 89 [2024-11-17 00:04:51,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:51,711 INFO L225 Difference]: With dead ends: 381 [2024-11-17 00:04:51,713 INFO L226 Difference]: Without dead ends: 377 [2024-11-17 00:04:51,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-17 00:04:51,714 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 8 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2145 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:51,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2145 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 00:04:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-17 00:04:51,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 375. [2024-11-17 00:04:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 345 states have (on average 1.2840579710144928) internal successors, (443), 363 states have internal predecessors, (443), 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) [2024-11-17 00:04:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 488 transitions. [2024-11-17 00:04:51,723 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 488 transitions. Word has length 89 [2024-11-17 00:04:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:51,724 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 488 transitions. [2024-11-17 00:04:51,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 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) [2024-11-17 00:04:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 488 transitions. [2024-11-17 00:04:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 00:04:51,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:51,725 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:51,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-17 00:04:51,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:51,926 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:51,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1017927810, now seen corresponding path program 3 times [2024-11-17 00:04:51,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:51,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520639067] [2024-11-17 00:04:51,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 00:04:51,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:51,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:51,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:51,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-17 00:04:54,166 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 00:04:54,166 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:04:54,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 00:04:54,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-17 00:04:54,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:04:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-17 00:04:54,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:54,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520639067] [2024-11-17 00:04:54,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520639067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:04:54,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:04:54,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-17 00:04:54,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467299671] [2024-11-17 00:04:54,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:04:54,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 00:04:54,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:54,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 00:04:54,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-17 00:04:54,552 INFO L87 Difference]: Start difference. First operand 375 states and 488 transitions. Second operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 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) [2024-11-17 00:04:55,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:55,024 INFO L93 Difference]: Finished difference Result 386 states and 505 transitions. [2024-11-17 00:04:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 00:04:55,024 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 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 98 [2024-11-17 00:04:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:55,026 INFO L225 Difference]: With dead ends: 386 [2024-11-17 00:04:55,026 INFO L226 Difference]: Without dead ends: 384 [2024-11-17 00:04:55,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=454, Unknown=0, NotChecked=0, Total=702 [2024-11-17 00:04:55,027 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 8 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:55,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2754 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:04:55,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-17 00:04:55,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2024-11-17 00:04:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 352 states have (on average 1.2954545454545454) internal successors, (456), 370 states have internal predecessors, (456), 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) [2024-11-17 00:04:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 501 transitions. [2024-11-17 00:04:55,038 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 501 transitions. Word has length 98 [2024-11-17 00:04:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:55,039 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 501 transitions. [2024-11-17 00:04:55,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 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) [2024-11-17 00:04:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 501 transitions. [2024-11-17 00:04:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 00:04:55,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:55,040 INFO L215 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:55,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-17 00:04:55,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:55,243 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:55,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash -60641541, now seen corresponding path program 4 times [2024-11-17 00:04:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:55,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862300351] [2024-11-17 00:04:55,244 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 00:04:55,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:55,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:55,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:55,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-17 00:04:55,885 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 00:04:55,886 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:04:55,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 00:04:55,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:04:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 146 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-17 00:04:56,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:04:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-17 00:04:56,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:04:56,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862300351] [2024-11-17 00:04:56,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862300351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:04:56,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:04:56,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-17 00:04:56,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583733189] [2024-11-17 00:04:56,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:04:56,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 00:04:56,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:04:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 00:04:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-17 00:04:56,604 INFO L87 Difference]: Start difference. First operand 382 states and 501 transitions. Second operand has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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) [2024-11-17 00:04:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:04:58,280 INFO L93 Difference]: Finished difference Result 400 states and 529 transitions. [2024-11-17 00:04:58,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 00:04:58,281 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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 105 [2024-11-17 00:04:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:04:58,282 INFO L225 Difference]: With dead ends: 400 [2024-11-17 00:04:58,282 INFO L226 Difference]: Without dead ends: 396 [2024-11-17 00:04:58,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 00:04:58,283 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 14 mSDsluCounter, 3974 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 00:04:58,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4283 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 00:04:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-17 00:04:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 394. [2024-11-17 00:04:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 364 states have (on average 1.2857142857142858) internal successors, (468), 382 states have internal predecessors, (468), 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) [2024-11-17 00:04:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 513 transitions. [2024-11-17 00:04:58,290 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 513 transitions. Word has length 105 [2024-11-17 00:04:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:04:58,291 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 513 transitions. [2024-11-17 00:04:58,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 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) [2024-11-17 00:04:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 513 transitions. [2024-11-17 00:04:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 00:04:58,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:04:58,292 INFO L215 NwaCegarLoop]: trace histogram [34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:04:58,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-17 00:04:58,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:58,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:04:58,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:04:58,493 INFO L85 PathProgramCache]: Analyzing trace with hash 53765691, now seen corresponding path program 5 times [2024-11-17 00:04:58,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:04:58,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108604562] [2024-11-17 00:04:58,494 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 00:04:58,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:04:58,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:04:58,496 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:04:58,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-17 00:04:59,943 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-17 00:04:59,943 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:04:59,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 00:04:59,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:05:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 302 proven. 253 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-17 00:05:00,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:05:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 554 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-17 00:05:02,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:05:02,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108604562] [2024-11-17 00:05:02,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108604562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:05:02,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:05:02,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-17 00:05:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78844517] [2024-11-17 00:05:02,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:05:02,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-17 00:05:02,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:05:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-17 00:05:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 00:05:02,061 INFO L87 Difference]: Start difference. First operand 394 states and 513 transitions. Second operand has 50 states, 50 states have (on average 2.56) internal successors, (128), 50 states have internal predecessors, (128), 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) [2024-11-17 00:05:08,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:05:08,723 INFO L93 Difference]: Finished difference Result 433 states and 583 transitions. [2024-11-17 00:05:08,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-17 00:05:08,724 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.56) internal successors, (128), 50 states have internal predecessors, (128), 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 117 [2024-11-17 00:05:08,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:05:08,726 INFO L225 Difference]: With dead ends: 433 [2024-11-17 00:05:08,726 INFO L226 Difference]: Without dead ends: 429 [2024-11-17 00:05:08,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-17 00:05:08,728 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 26 mSDsluCounter, 7042 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7350 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:05:08,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7350 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-17 00:05:08,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-17 00:05:08,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 427. [2024-11-17 00:05:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 397 states have (on average 1.2896725440806045) internal successors, (512), 415 states have internal predecessors, (512), 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) [2024-11-17 00:05:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 557 transitions. [2024-11-17 00:05:08,739 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 557 transitions. Word has length 117 [2024-11-17 00:05:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:05:08,739 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 557 transitions. [2024-11-17 00:05:08,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.56) internal successors, (128), 50 states have internal predecessors, (128), 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) [2024-11-17 00:05:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 557 transitions. [2024-11-17 00:05:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-17 00:05:08,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:05:08,741 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:05:08,760 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 [2024-11-17 00:05:08,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:05:08,942 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:05:08,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:05:08,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1045666242, now seen corresponding path program 6 times [2024-11-17 00:05:08,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:05:08,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783276438] [2024-11-17 00:05:08,944 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 00:05:08,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:05:08,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:05:08,946 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:05:08,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-17 00:05:17,195 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-11-17 00:05:17,195 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:05:17,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-17 00:05:17,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:05:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:05:17,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:05:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1082 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:05:20,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:05:20,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783276438] [2024-11-17 00:05:20,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783276438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:05:20,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:05:20,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-17 00:05:20,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569599745] [2024-11-17 00:05:20,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:05:20,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-17 00:05:20,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:05:20,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-17 00:05:20,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-17 00:05:20,171 INFO L87 Difference]: Start difference. First operand 427 states and 557 transitions. Second operand has 52 states, 52 states have (on average 2.423076923076923) internal successors, (126), 52 states have internal predecessors, (126), 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) [2024-11-17 00:05:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:05:27,531 INFO L93 Difference]: Finished difference Result 456 states and 610 transitions. [2024-11-17 00:05:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-17 00:05:27,532 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 2.423076923076923) internal successors, (126), 52 states have internal predecessors, (126), 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 150 [2024-11-17 00:05:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:05:27,534 INFO L225 Difference]: With dead ends: 456 [2024-11-17 00:05:27,534 INFO L226 Difference]: Without dead ends: 454 [2024-11-17 00:05:27,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 00:05:27,539 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 27 mSDsluCounter, 7346 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:05:27,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 7654 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-17 00:05:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-17 00:05:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2024-11-17 00:05:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 422 states have (on average 1.3293838862559242) internal successors, (561), 440 states have internal predecessors, (561), 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) [2024-11-17 00:05:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 606 transitions. [2024-11-17 00:05:27,552 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 606 transitions. Word has length 150 [2024-11-17 00:05:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:05:27,553 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 606 transitions. [2024-11-17 00:05:27,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.423076923076923) internal successors, (126), 52 states have internal predecessors, (126), 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) [2024-11-17 00:05:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 606 transitions. [2024-11-17 00:05:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-17 00:05:27,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:05:27,555 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:05:27,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-17 00:05:27,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:05:27,756 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:05:27,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:05:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash -185431141, now seen corresponding path program 7 times [2024-11-17 00:05:27,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 00:05:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195569384] [2024-11-17 00:05:27,758 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 00:05:27,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 00:05:27,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 00:05:27,760 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 00:05:27,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-17 00:05:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:05:29,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-17 00:05:29,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:05:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:05:30,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:05:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4374 backedges. 2207 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-17 00:05:36,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 00:05:36,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195569384] [2024-11-17 00:05:36,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195569384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:05:36,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:05:36,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-17 00:05:36,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102719100] [2024-11-17 00:05:36,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:05:36,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-17 00:05:36,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 00:05:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-17 00:05:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-17 00:05:36,641 INFO L87 Difference]: Start difference. First operand 452 states and 606 transitions. Second operand has 102 states, 102 states have (on average 1.7254901960784315) internal successors, (176), 102 states have internal predecessors, (176), 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)