./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.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-dev-4a390ef-m [2024-10-24 15:52:24,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:52:24,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-24 15:52:24,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:52:24,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:52:24,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:52:24,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:52:24,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:52:24,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 15:52:24,223 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 15:52:24,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:52:24,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:52:24,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:52:24,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:52:24,228 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:52:24,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:52:24,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:52:24,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:52:24,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:52:24,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:52:24,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:52:24,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:52:24,235 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 15:52:24,235 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 15:52:24,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:52:24,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:52:24,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 15:52:24,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:52:24,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:52:24,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:52:24,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:52:24,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:52:24,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:52:24,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:52:24,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 15:52:24,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:52:24,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:52:24,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:52:24,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:52:24,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:52:24,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:52:24,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:52:24,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:52:24,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:52:24,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:52:24,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-10-24 15:52:24,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:52:24,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:52:24,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:52:24,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:52:24,531 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:52:24,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-24 15:52:26,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:52:26,367 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:52:26,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-24 15:52:26,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63eec3df3/ec76454052824b3e8cfec4d612a3a22f/FLAG154845aa4 [2024-10-24 15:52:26,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63eec3df3/ec76454052824b3e8cfec4d612a3a22f [2024-10-24 15:52:26,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:52:26,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:52:26,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:52:26,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:52:26,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:52:26,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:52:26" (1/1) ... [2024-10-24 15:52:26,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af81a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:26, skipping insertion in model container [2024-10-24 15:52:26,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:52:26" (1/1) ... [2024-10-24 15:52:26,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:52:27,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:52:27,294 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-10-24 15:52:27,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c392a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:27, skipping insertion in model container [2024-10-24 15:52:27,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:52:27,295 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 15:52:27,313 INFO L158 Benchmark]: Toolchain (without parser) took 674.21ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 90.6MB in the beginning and 183.4MB in the end (delta: -92.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-10-24 15:52:27,313 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:52:27,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.88ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 116.2MB in the end (delta: -25.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-10-24 15:52:27,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 148.9MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.88ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 116.2MB in the end (delta: -25.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 766]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.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-dev-4a390ef-m [2024-10-24 15:52:29,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:52:29,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-24 15:52:29,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:52:29,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:52:29,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:52:29,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:52:29,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:52:29,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 15:52:29,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 15:52:29,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:52:29,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:52:29,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:52:29,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:52:29,636 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:52:29,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:52:29,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:52:29,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:52:29,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:52:29,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:52:29,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:52:29,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:52:29,639 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 15:52:29,639 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 15:52:29,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:52:29,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:52:29,640 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 15:52:29,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 15:52:29,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:52:29,641 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 15:52:29,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:52:29,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:52:29,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:52:29,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:52:29,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:52:29,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:52:29,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 15:52:29,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:52:29,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:52:29,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:52:29,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:52:29,646 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 15:52:29,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 15:52:29,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:52:29,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:52:29,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:52:29,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:52:29,647 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 15:52:29,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-10-24 15:52:30,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:52:30,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:52:30,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:52:30,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:52:30,044 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:52:30,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-24 15:52:31,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:52:32,029 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:52:32,030 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-24 15:52:32,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e8d96ef/f9bad09dabff49429a44af905f1adaff/FLAG37f02dae9 [2024-10-24 15:52:32,068 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e8d96ef/f9bad09dabff49429a44af905f1adaff [2024-10-24 15:52:32,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:52:32,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:52:32,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:52:32,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:52:32,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:52:32,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:52:32" (1/1) ... [2024-10-24 15:52:32,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5c24af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:32, skipping insertion in model container [2024-10-24 15:52:32,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:52:32" (1/1) ... [2024-10-24 15:52:32,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:52:32,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:52:32,766 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 15:52:32,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:52:32,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:52:32,892 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:52:32,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:52:33,050 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:52:33,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33 WrapperNode [2024-10-24 15:52:33,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:52:33,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:52:33,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:52:33,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:52:33,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,166 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1018 [2024-10-24 15:52:33,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:52:33,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:52:33,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:52:33,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:52:33,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,262 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-10-24 15:52:33,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:52:33,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:52:33,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:52:33,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:52:33,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (1/1) ... [2024-10-24 15:52:33,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:52:33,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:52:33,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:52:33,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 15:52:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 15:52:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-24 15:52:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 15:52:33,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 15:52:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 15:52:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 15:52:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 15:52:33,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 15:52:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 15:52:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 15:52:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-24 15:52:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-24 15:52:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:52:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:52:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 15:52:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 15:52:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 15:52:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 15:52:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-24 15:52:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:52:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:52:33,706 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:52:33,710 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:52:41,335 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-10-24 15:52:41,335 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:52:41,377 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:52:41,377 INFO L314 CfgBuilder]: Removed 62 assume(true) statements. [2024-10-24 15:52:41,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:52:41 BoogieIcfgContainer [2024-10-24 15:52:41,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:52:41,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:52:41,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:52:41,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:52:41,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:52:32" (1/3) ... [2024-10-24 15:52:41,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224c29fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:52:41, skipping insertion in model container [2024-10-24 15:52:41,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:52:33" (2/3) ... [2024-10-24 15:52:41,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224c29fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:52:41, skipping insertion in model container [2024-10-24 15:52:41,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:52:41" (3/3) ... [2024-10-24 15:52:41,385 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2024-10-24 15:52:41,401 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:52:41,402 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 15:52:41,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:52:41,460 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;@560e3bd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:52:41,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 15:52:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 203 states have (on average 1.6847290640394088) internal successors, (342), 222 states have internal predecessors, (342), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 15:52:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 15:52:41,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:41,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 15:52:41,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:41,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:41,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1355016513, now seen corresponding path program 1 times [2024-10-24 15:52:41,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:41,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434760433] [2024-10-24 15:52:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:41,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:41,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:41,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 15:52:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:41,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 15:52:41,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:41,808 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:41,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:41,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434760433] [2024-10-24 15:52:41,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434760433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:41,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:41,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:52:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111791046] [2024-10-24 15:52:41,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:41,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:52:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:41,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:52:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:52:41,848 INFO L87 Difference]: Start difference. First operand has 232 states, 203 states have (on average 1.6847290640394088) internal successors, (342), 222 states have internal predecessors, (342), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:41,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:41,919 INFO L93 Difference]: Finished difference Result 230 states and 315 transitions. [2024-10-24 15:52:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:52:41,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-24 15:52:41,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:41,937 INFO L225 Difference]: With dead ends: 230 [2024-10-24 15:52:41,937 INFO L226 Difference]: Without dead ends: 229 [2024-10-24 15:52:41,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:52:41,944 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:41,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 15:52:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-24 15:52:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-10-24 15:52:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 202 states have (on average 1.3465346534653466) internal successors, (272), 219 states have internal predecessors, (272), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 15:52:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2024-10-24 15:52:42,017 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 6 [2024-10-24 15:52:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:42,017 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2024-10-24 15:52:42,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2024-10-24 15:52:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 15:52:42,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:42,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:42,024 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 [2024-10-24 15:52:42,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:42,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:42,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1715409022, now seen corresponding path program 1 times [2024-10-24 15:52:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:42,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741233827] [2024-10-24 15:52:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:42,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:42,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:42,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:42,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 15:52:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:42,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 15:52:42,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:42,461 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:52:42,462 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:52:42,462 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:52:42,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-10-24 15:52:42,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:52:42,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-10-24 15:52:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:42,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:42,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741233827] [2024-10-24 15:52:42,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741233827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:42,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:42,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:52:42,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824970262] [2024-10-24 15:52:42,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:42,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:52:42,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:42,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:52:42,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:52:42,625 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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) [2024-10-24 15:52:43,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:43,247 INFO L93 Difference]: Finished difference Result 410 states and 552 transitions. [2024-10-24 15:52:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 15:52:43,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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 [2024-10-24 15:52:43,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:43,251 INFO L225 Difference]: With dead ends: 410 [2024-10-24 15:52:43,251 INFO L226 Difference]: Without dead ends: 410 [2024-10-24 15:52:43,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:52:43,253 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 224 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:43,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 866 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 15:52:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-24 15:52:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 231. [2024-10-24 15:52:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 204 states have (on average 1.3431372549019607) internal successors, (274), 221 states have internal predecessors, (274), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 15:52:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 316 transitions. [2024-10-24 15:52:43,287 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 316 transitions. Word has length 8 [2024-10-24 15:52:43,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:43,288 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 316 transitions. [2024-10-24 15:52:43,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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) [2024-10-24 15:52:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 316 transitions. [2024-10-24 15:52:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 15:52:43,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:43,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:43,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-24 15:52:43,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:43,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:43,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:43,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1840569330, now seen corresponding path program 1 times [2024-10-24 15:52:43,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:43,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020306652] [2024-10-24 15:52:43,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:43,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:43,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:43,502 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:43,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 15:52:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:43,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:52:43,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:43,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:43,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020306652] [2024-10-24 15:52:43,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020306652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:43,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:43,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:52:43,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457440076] [2024-10-24 15:52:43,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:43,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:52:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:43,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:52:43,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:52:43,942 INFO L87 Difference]: Start difference. First operand 231 states and 316 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:44,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:44,143 INFO L93 Difference]: Finished difference Result 234 states and 311 transitions. [2024-10-24 15:52:44,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:52:44,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-24 15:52:44,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:44,147 INFO L225 Difference]: With dead ends: 234 [2024-10-24 15:52:44,147 INFO L226 Difference]: Without dead ends: 234 [2024-10-24 15:52:44,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:52:44,148 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 30 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:44,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 823 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 15:52:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-24 15:52:44,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-10-24 15:52:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.2995169082125604) internal successors, (269), 224 states have internal predecessors, (269), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 15:52:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-10-24 15:52:44,174 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 66 [2024-10-24 15:52:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:44,174 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-10-24 15:52:44,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-10-24 15:52:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 15:52:44,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:44,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:44,186 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 [2024-10-24 15:52:44,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:44,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:44,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1862455934, now seen corresponding path program 1 times [2024-10-24 15:52:44,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:44,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762990007] [2024-10-24 15:52:44,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:44,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:44,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:44,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:44,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-24 15:52:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:44,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 15:52:44,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:44,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:44,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:44,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762990007] [2024-10-24 15:52:44,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762990007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:44,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:44,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:52:44,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927476829] [2024-10-24 15:52:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:44,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 15:52:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 15:52:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:52:44,843 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:44,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:44,979 INFO L93 Difference]: Finished difference Result 228 states and 301 transitions. [2024-10-24 15:52:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:52:44,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-24 15:52:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:44,996 INFO L225 Difference]: With dead ends: 228 [2024-10-24 15:52:44,997 INFO L226 Difference]: Without dead ends: 228 [2024-10-24 15:52:44,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:52:45,000 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:45,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 820 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 15:52:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-24 15:52:45,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-24 15:52:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.2885572139303483) internal successors, (259), 218 states have internal predecessors, (259), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 15:52:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 301 transitions. [2024-10-24 15:52:45,017 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 301 transitions. Word has length 66 [2024-10-24 15:52:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:45,017 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 301 transitions. [2024-10-24 15:52:45,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 301 transitions. [2024-10-24 15:52:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 15:52:45,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:45,020 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:45,029 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 [2024-10-24 15:52:45,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:45,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:45,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:45,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1468089148, now seen corresponding path program 1 times [2024-10-24 15:52:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:45,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363585700] [2024-10-24 15:52:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:45,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:45,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:45,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:45,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-24 15:52:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:45,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:52:45,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:45,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:45,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:45,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363585700] [2024-10-24 15:52:45,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363585700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:45,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:45,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:52:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650396676] [2024-10-24 15:52:45,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:45,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:52:45,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:45,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:52:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:52:45,937 INFO L87 Difference]: Start difference. First operand 228 states and 301 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:46,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:46,411 INFO L93 Difference]: Finished difference Result 337 states and 432 transitions. [2024-10-24 15:52:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:52:46,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-24 15:52:46,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:46,413 INFO L225 Difference]: With dead ends: 337 [2024-10-24 15:52:46,413 INFO L226 Difference]: Without dead ends: 337 [2024-10-24 15:52:46,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:52:46,414 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 89 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:46,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 615 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 15:52:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-24 15:52:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 332. [2024-10-24 15:52:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.263157894736842) internal successors, (384), 321 states have internal predecessors, (384), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 15:52:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 428 transitions. [2024-10-24 15:52:46,426 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 428 transitions. Word has length 66 [2024-10-24 15:52:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:46,426 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 428 transitions. [2024-10-24 15:52:46,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:52:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 428 transitions. [2024-10-24 15:52:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 15:52:46,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:46,429 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:46,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-24 15:52:46,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:46,633 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:46,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -79055719, now seen corresponding path program 1 times [2024-10-24 15:52:46,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:46,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043088018] [2024-10-24 15:52:46,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:46,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:46,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:46,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:46,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-24 15:52:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:47,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:52:47,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:52:47,155 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:52:47,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043088018] [2024-10-24 15:52:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043088018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:52:47,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:52:47,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:52:47,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944594246] [2024-10-24 15:52:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:52:47,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:52:47,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:47,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:52:47,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:52:47,162 INFO L87 Difference]: Start difference. First operand 332 states and 428 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 15:52:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:47,272 INFO L93 Difference]: Finished difference Result 334 states and 431 transitions. [2024-10-24 15:52:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 15:52:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-10-24 15:52:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:47,275 INFO L225 Difference]: With dead ends: 334 [2024-10-24 15:52:47,275 INFO L226 Difference]: Without dead ends: 334 [2024-10-24 15:52:47,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:52:47,276 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 0 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:47,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 875 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 15:52:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-24 15:52:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2024-10-24 15:52:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 305 states have (on average 1.2655737704918033) internal successors, (386), 323 states have internal predecessors, (386), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 431 transitions. [2024-10-24 15:52:47,286 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 431 transitions. Word has length 79 [2024-10-24 15:52:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:47,286 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 431 transitions. [2024-10-24 15:52:47,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 15:52:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 431 transitions. [2024-10-24 15:52:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 15:52:47,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:47,288 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:47,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-24 15:52:47,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:47,493 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:47,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:47,493 INFO L85 PathProgramCache]: Analyzing trace with hash 161661705, now seen corresponding path program 1 times [2024-10-24 15:52:47,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:47,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280873375] [2024-10-24 15:52:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:52:47,494 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 [2024-10-24 15:52:47,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:47,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:47,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-24 15:52:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:52:47,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:52:47,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 15:52:47,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:52:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 15:52:48,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:48,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280873375] [2024-10-24 15:52:48,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280873375] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:52:48,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:52:48,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 15:52:48,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643334426] [2024-10-24 15:52:48,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:52:48,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:52:48,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:48,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:52:48,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:52:48,057 INFO L87 Difference]: Start difference. First operand 334 states and 431 transitions. Second operand has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:48,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:48,304 INFO L93 Difference]: Finished difference Result 343 states and 445 transitions. [2024-10-24 15:52:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 15:52:48,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 81 [2024-10-24 15:52:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:48,312 INFO L225 Difference]: With dead ends: 343 [2024-10-24 15:52:48,312 INFO L226 Difference]: Without dead ends: 343 [2024-10-24 15:52:48,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-24 15:52:48,313 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 4 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:48,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1452 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 15:52:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-24 15:52:48,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 342. [2024-10-24 15:52:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 312 states have (on average 1.2788461538461537) internal successors, (399), 330 states have internal predecessors, (399), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2024-10-24 15:52:48,325 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 81 [2024-10-24 15:52:48,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:48,325 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2024-10-24 15:52:48,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2024-10-24 15:52:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 15:52:48,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:48,331 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:48,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-10-24 15:52:48,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:48,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:48,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1814548409, now seen corresponding path program 2 times [2024-10-24 15:52:48,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:48,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442534042] [2024-10-24 15:52:48,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:52:48,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:48,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:48,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:48,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-24 15:52:49,613 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 15:52:49,613 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:52:49,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 15:52:49,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 15:52:49,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:52:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 15:52:49,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:49,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442534042] [2024-10-24 15:52:49,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442534042] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:52:49,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:52:49,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-24 15:52:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261069117] [2024-10-24 15:52:49,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:52:49,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:52:49,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:52:49,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:52:49,823 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:52:50,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:50,099 INFO L93 Difference]: Finished difference Result 348 states and 454 transitions. [2024-10-24 15:52:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 15:52:50,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2024-10-24 15:52:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:50,102 INFO L225 Difference]: With dead ends: 348 [2024-10-24 15:52:50,102 INFO L226 Difference]: Without dead ends: 348 [2024-10-24 15:52:50,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-24 15:52:50,103 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 6 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:50,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1161 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 15:52:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-24 15:52:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2024-10-24 15:52:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 316 states have (on average 1.2879746835443038) internal successors, (407), 334 states have internal predecessors, (407), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 452 transitions. [2024-10-24 15:52:50,113 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 452 transitions. Word has length 85 [2024-10-24 15:52:50,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:50,114 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 452 transitions. [2024-10-24 15:52:50,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:52:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 452 transitions. [2024-10-24 15:52:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 15:52:50,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:50,115 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:50,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-10-24 15:52:50,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:50,317 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:50,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1275040647, now seen corresponding path program 3 times [2024-10-24 15:52:50,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:50,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449579494] [2024-10-24 15:52:50,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 15:52:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:50,321 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:50,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-10-24 15:52:52,169 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-24 15:52:52,169 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:52:52,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 15:52:52,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 15:52:52,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:52:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 15:52:52,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449579494] [2024-10-24 15:52:52,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449579494] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:52:52,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:52:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-24 15:52:52,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770693231] [2024-10-24 15:52:52,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:52:52,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 15:52:52,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:52,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 15:52:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-10-24 15:52:52,651 INFO L87 Difference]: Start difference. First operand 346 states and 452 transitions. Second operand has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:52:53,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:53,560 INFO L93 Difference]: Finished difference Result 360 states and 475 transitions. [2024-10-24 15:52:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 15:52:53,561 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 89 [2024-10-24 15:52:53,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:53,563 INFO L225 Difference]: With dead ends: 360 [2024-10-24 15:52:53,563 INFO L226 Difference]: Without dead ends: 358 [2024-10-24 15:52:53,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=324, Invalid=606, Unknown=0, NotChecked=0, Total=930 [2024-10-24 15:52:53,564 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 9 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:53,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2316 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 15:52:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-24 15:52:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 357. [2024-10-24 15:52:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 327 states have (on average 1.305810397553517) internal successors, (427), 345 states have internal predecessors, (427), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 472 transitions. [2024-10-24 15:52:53,584 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 472 transitions. Word has length 89 [2024-10-24 15:52:53,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:53,584 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 472 transitions. [2024-10-24 15:52:53,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.4375) internal successors, (87), 18 states have internal predecessors, (87), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:52:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 472 transitions. [2024-10-24 15:52:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 15:52:53,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:53,586 INFO L215 NwaCegarLoop]: trace histogram [18, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:53,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-10-24 15:52:53,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:53,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:53,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:53,787 INFO L85 PathProgramCache]: Analyzing trace with hash -947091975, now seen corresponding path program 4 times [2024-10-24 15:52:53,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:53,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855945317] [2024-10-24 15:52:53,788 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 15:52:53,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:53,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:53,790 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:53,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-10-24 15:52:54,341 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 15:52:54,341 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:52:54,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 15:52:54,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-24 15:52:54,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:52:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-24 15:52:54,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:54,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855945317] [2024-10-24 15:52:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855945317] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:52:54,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:52:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-24 15:52:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927500656] [2024-10-24 15:52:54,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:52:54,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 15:52:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 15:52:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-24 15:52:54,632 INFO L87 Difference]: Start difference. First operand 357 states and 472 transitions. Second operand has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:55,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:55,327 INFO L93 Difference]: Finished difference Result 363 states and 479 transitions. [2024-10-24 15:52:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:52:55,328 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-24 15:52:55,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:55,330 INFO L225 Difference]: With dead ends: 363 [2024-10-24 15:52:55,330 INFO L226 Difference]: Without dead ends: 361 [2024-10-24 15:52:55,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-24 15:52:55,331 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 7 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:55,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2034 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 15:52:55,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-10-24 15:52:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 360. [2024-10-24 15:52:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 330 states have (on average 1.2969696969696969) internal successors, (428), 348 states have internal predecessors, (428), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 473 transitions. [2024-10-24 15:52:55,340 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 473 transitions. Word has length 97 [2024-10-24 15:52:55,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:55,341 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 473 transitions. [2024-10-24 15:52:55,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 473 transitions. [2024-10-24 15:52:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 15:52:55,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:55,342 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:55,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-10-24 15:52:55,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:55,543 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:55,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:55,543 INFO L85 PathProgramCache]: Analyzing trace with hash -209922279, now seen corresponding path program 5 times [2024-10-24 15:52:55,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:55,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105477802] [2024-10-24 15:52:55,544 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 15:52:55,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:55,547 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:55,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-10-24 15:52:56,336 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-24 15:52:56,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:52:56,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 15:52:56,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:52:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 167 proven. 55 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-24 15:52:56,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:52:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-24 15:52:56,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:52:56,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105477802] [2024-10-24 15:52:56,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105477802] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:52:56,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:52:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-24 15:52:56,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479089113] [2024-10-24 15:52:56,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:52:56,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 15:52:56,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:52:56,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 15:52:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-24 15:52:56,982 INFO L87 Difference]: Start difference. First operand 360 states and 473 transitions. Second operand has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:52:58,699 INFO L93 Difference]: Finished difference Result 375 states and 498 transitions. [2024-10-24 15:52:58,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-24 15:52:58,700 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2024-10-24 15:52:58,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:52:58,701 INFO L225 Difference]: With dead ends: 375 [2024-10-24 15:52:58,701 INFO L226 Difference]: Without dead ends: 373 [2024-10-24 15:52:58,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 15:52:58,703 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 14 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 15:52:58,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4352 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 15:52:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-24 15:52:58,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2024-10-24 15:52:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 342 states have (on average 1.286549707602339) internal successors, (440), 360 states have internal predecessors, (440), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:52:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 485 transitions. [2024-10-24 15:52:58,713 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 485 transitions. Word has length 103 [2024-10-24 15:52:58,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:52:58,714 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 485 transitions. [2024-10-24 15:52:58,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.083333333333333) internal successors, (98), 26 states have internal predecessors, (98), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:52:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 485 transitions. [2024-10-24 15:52:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 15:52:58,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:52:58,715 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:52:58,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-10-24 15:52:58,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:58,916 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:52:58,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:52:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash -363630247, now seen corresponding path program 6 times [2024-10-24 15:52:58,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:52:58,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750599938] [2024-10-24 15:52:58,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-24 15:52:58,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:52:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:52:58,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:52:58,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-10-24 15:53:02,525 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-10-24 15:53:02,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:53:02,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 15:53:02,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:53:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 347 proven. 253 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-24 15:53:03,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:53:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 599 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-24 15:53:04,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:53:04,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750599938] [2024-10-24 15:53:04,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750599938] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:53:04,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:53:04,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-24 15:53:04,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983683601] [2024-10-24 15:53:04,779 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:53:04,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 15:53:04,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:53:04,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 15:53:04,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 15:53:04,781 INFO L87 Difference]: Start difference. First operand 372 states and 485 transitions. Second operand has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:53:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:53:11,556 INFO L93 Difference]: Finished difference Result 408 states and 551 transitions. [2024-10-24 15:53:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-24 15:53:11,557 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 115 [2024-10-24 15:53:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:53:11,559 INFO L225 Difference]: With dead ends: 408 [2024-10-24 15:53:11,561 INFO L226 Difference]: Without dead ends: 405 [2024-10-24 15:53:11,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=2784, Invalid=5958, Unknown=0, NotChecked=0, Total=8742 [2024-10-24 15:53:11,564 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 25 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 15:53:11,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 6963 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 15:53:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-24 15:53:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-24 15:53:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 375 states have (on average 1.2853333333333334) internal successors, (482), 393 states have internal predecessors, (482), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:53:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 527 transitions. [2024-10-24 15:53:11,575 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 527 transitions. Word has length 115 [2024-10-24 15:53:11,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:53:11,575 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 527 transitions. [2024-10-24 15:53:11,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 2.5416666666666665) internal successors, (122), 50 states have internal predecessors, (122), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 15:53:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 527 transitions. [2024-10-24 15:53:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 15:53:11,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:53:11,577 INFO L215 NwaCegarLoop]: trace histogram [58, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:53:11,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-10-24 15:53:11,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:11,778 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:53:11,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:53:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash -530293383, now seen corresponding path program 7 times [2024-10-24 15:53:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:53:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924347706] [2024-10-24 15:53:11,779 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-24 15:53:11,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:53:11,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:53:11,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-10-24 15:53:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:53:12,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 15:53:12,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:53:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 676 proven. 105 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 15:53:12,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:53:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 676 proven. 105 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 15:53:13,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:53:13,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924347706] [2024-10-24 15:53:13,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924347706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:53:13,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:53:13,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2024-10-24 15:53:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312670214] [2024-10-24 15:53:13,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:53:13,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-24 15:53:13,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:53:13,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-24 15:53:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 15:53:13,348 INFO L87 Difference]: Start difference. First operand 405 states and 527 transitions. Second operand has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:53:15,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:53:15,579 INFO L93 Difference]: Finished difference Result 414 states and 543 transitions. [2024-10-24 15:53:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-24 15:53:15,580 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 137 [2024-10-24 15:53:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:53:15,581 INFO L225 Difference]: With dead ends: 414 [2024-10-24 15:53:15,582 INFO L226 Difference]: Without dead ends: 414 [2024-10-24 15:53:15,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1292, Invalid=2614, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 15:53:15,583 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 18 mSDsluCounter, 5497 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5789 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 15:53:15,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5789 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 15:53:15,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-24 15:53:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2024-10-24 15:53:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 382 states have (on average 1.2984293193717278) internal successors, (496), 400 states have internal predecessors, (496), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:53:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 541 transitions. [2024-10-24 15:53:15,592 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 541 transitions. Word has length 137 [2024-10-24 15:53:15,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:53:15,593 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 541 transitions. [2024-10-24 15:53:15,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 3.21875) internal successors, (103), 34 states have internal predecessors, (103), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:53:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 541 transitions. [2024-10-24 15:53:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 15:53:15,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:53:15,595 INFO L215 NwaCegarLoop]: trace histogram [74, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:53:15,613 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 (14)] Forceful destruction successful, exit code 0 [2024-10-24 15:53:15,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:15,795 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:53:15,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:53:15,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1351159929, now seen corresponding path program 8 times [2024-10-24 15:53:15,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:53:15,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102166580] [2024-10-24 15:53:15,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:53:15,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:15,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:53:15,798 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:53:15,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-10-24 15:53:17,754 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 15:53:17,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:53:17,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-24 15:53:17,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:53:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1396 proven. 465 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 15:53:18,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:53:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 1396 proven. 465 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-24 15:53:20,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 15:53:20,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102166580] [2024-10-24 15:53:20,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102166580] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:53:20,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 15:53:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2024-10-24 15:53:20,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113626892] [2024-10-24 15:53:20,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 15:53:20,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-24 15:53:20,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 15:53:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-24 15:53:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1153, Invalid=3137, Unknown=0, NotChecked=0, Total=4290 [2024-10-24 15:53:20,841 INFO L87 Difference]: Start difference. First operand 412 states and 541 transitions. Second operand has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:53:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 15:53:33,464 INFO L93 Difference]: Finished difference Result 446 states and 607 transitions. [2024-10-24 15:53:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-10-24 15:53:33,466 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 153 [2024-10-24 15:53:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 15:53:33,468 INFO L225 Difference]: With dead ends: 446 [2024-10-24 15:53:33,468 INFO L226 Difference]: Without dead ends: 446 [2024-10-24 15:53:33,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2760 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=5148, Invalid=10854, Unknown=0, NotChecked=0, Total=16002 [2024-10-24 15:53:33,473 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 33 mSDsluCounter, 9251 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 9543 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-24 15:53:33,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 9543 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-24 15:53:33,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-24 15:53:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 444. [2024-10-24 15:53:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 414 states have (on average 1.3526570048309179) internal successors, (560), 432 states have internal predecessors, (560), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-24 15:53:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 605 transitions. [2024-10-24 15:53:33,484 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 605 transitions. Word has length 153 [2024-10-24 15:53:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 15:53:33,484 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 605 transitions. [2024-10-24 15:53:33,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 64 states have (on average 2.109375) internal successors, (135), 66 states have internal predecessors, (135), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 15:53:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 605 transitions. [2024-10-24 15:53:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 15:53:33,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 15:53:33,486 INFO L215 NwaCegarLoop]: trace histogram [106, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:53:33,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-10-24 15:53:33,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:33,691 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-24 15:53:33,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:53:33,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2004907641, now seen corresponding path program 9 times [2024-10-24 15:53:33,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 15:53:33,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951793587] [2024-10-24 15:53:33,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 15:53:33,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 15:53:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 15:53:33,696 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 15:53:33,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process