./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_SAX_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:35:21,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:35:21,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-14 17:35:21,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:35:21,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:35:21,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:35:21,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:35:21,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:35:21,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 17:35:21,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 17:35:21,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:35:21,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:35:21,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:35:21,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:35:21,967 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:35:21,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:35:21,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:35:21,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:35:21,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:35:21,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:35:21,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:35:21,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:35:21,971 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 17:35:21,971 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 17:35:21,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:35:21,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:35:21,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 17:35:21,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:35:21,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:35:21,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:35:21,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:35:21,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:35:21,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:35:21,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:35:21,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 17:35:21,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:35:21,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:35:21,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:35:21,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:35:21,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:35:21,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:35:21,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:35:21,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:35:21,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:35:21,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:35:21,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-10-14 17:35:22,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:35:22,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:35:22,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:35:22,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:35:22,293 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:35:22,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2024-10-14 17:35:23,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:35:24,013 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:35:24,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2024-10-14 17:35:24,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e960a0686/8f1777de5dae4250af11931a555a119b/FLAG7b3cb6faa [2024-10-14 17:35:24,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e960a0686/8f1777de5dae4250af11931a555a119b [2024-10-14 17:35:24,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:35:24,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:35:24,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:35:24,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:35:24,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:35:24,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:35:24" (1/1) ... [2024-10-14 17:35:24,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edf293a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:24, skipping insertion in model container [2024-10-14 17:35:24,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:35:24" (1/1) ... [2024-10-14 17:35:24,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:35:24,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:35:24,658 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-10-14 17:35:24,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4643cde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:24, skipping insertion in model container [2024-10-14 17:35:24,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:35:24,659 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-14 17:35:24,661 INFO L158 Benchmark]: Toolchain (without parser) took 604.37ms. Allocated memory is still 161.5MB. Free memory was 83.5MB in the beginning and 62.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:35:24,691 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 161.5MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:35:24,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.46ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 62.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:35:24,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 161.5MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.46ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 62.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 817]: 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_SAX_nondet_test2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:35:26,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:35:26,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-14 17:35:26,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:35:26,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:35:26,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:35:26,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:35:26,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:35:26,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 17:35:26,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 17:35:26,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:35:26,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:35:26,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:35:26,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:35:26,931 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:35:26,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:35:26,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:35:26,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:35:26,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:35:26,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:35:26,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:35:26,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:35:26,938 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 17:35:26,938 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 17:35:26,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:35:26,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:35:26,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 17:35:26,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 17:35:26,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:35:26,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 17:35:26,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:35:26,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:35:26,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:35:26,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:35:26,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:35:26,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:35:26,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 17:35:26,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:35:26,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:35:26,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:35:26,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:35:26,946 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 17:35:26,946 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 17:35:26,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:35:26,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:35:26,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:35:26,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:35:26,947 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 17:35:26,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-10-14 17:35:27,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:35:27,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:35:27,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:35:27,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:35:27,310 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:35:27,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2024-10-14 17:35:28,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:35:29,107 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:35:29,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2024-10-14 17:35:29,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d0ae1f2/c283491a777240adabc151d5fa2dc574/FLAGfd5b35098 [2024-10-14 17:35:29,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d0ae1f2/c283491a777240adabc151d5fa2dc574 [2024-10-14 17:35:29,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:35:29,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:35:29,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:35:29,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:35:29,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:35:29,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:35:29" (1/1) ... [2024-10-14 17:35:29,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793bf77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:29, skipping insertion in model container [2024-10-14 17:35:29,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:35:29" (1/1) ... [2024-10-14 17:35:29,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:35:30,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:35:30,042 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-14 17:35:30,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:35:30,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:35:30,171 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:35:30,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:35:30,329 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:35:30,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30 WrapperNode [2024-10-14 17:35:30,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:35:30,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:35:30,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:35:30,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:35:30,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,433 INFO L138 Inliner]: procedures = 210, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1040 [2024-10-14 17:35:30,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:35:30,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:35:30,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:35:30,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:35:30,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,552 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 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, 4, 50]. [2024-10-14 17:35:30,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:35:30,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:35:30,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:35:30,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:35:30,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (1/1) ... [2024-10-14 17:35:30,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:35:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:35:30,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:35:30,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:35:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-14 17:35:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-14 17:35:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-14 17:35:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 17:35:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 17:35:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 17:35:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 17:35:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 17:35:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 17:35:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 17:35:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 17:35:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 17:35:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 17:35:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 17:35:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 17:35:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 17:35:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 17:35:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 17:35:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 17:35:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 17:35:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 17:35:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 17:35:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 17:35:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:35:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:35:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 17:35:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 17:35:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 17:35:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:35:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:35:30,999 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:35:31,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:35:38,535 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-10-14 17:35:38,536 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:35:38,571 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:35:38,572 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-14 17:35:38,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:35:38 BoogieIcfgContainer [2024-10-14 17:35:38,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:35:38,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:35:38,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:35:38,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:35:38,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:35:29" (1/3) ... [2024-10-14 17:35:38,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702f8943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:35:38, skipping insertion in model container [2024-10-14 17:35:38,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:35:30" (2/3) ... [2024-10-14 17:35:38,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702f8943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:35:38, skipping insertion in model container [2024-10-14 17:35:38,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:35:38" (3/3) ... [2024-10-14 17:35:38,582 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test2-2.i [2024-10-14 17:35:38,598 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:35:38,598 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 17:35:38,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:35:38,680 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;@47d4c272, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:35:38,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 17:35:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 189 states have (on average 1.6772486772486772) internal successors, (317), 191 states have internal predecessors, (317), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-14 17:35:38,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:38,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-14 17:35:38,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:38,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:38,699 INFO L85 PathProgramCache]: Analyzing trace with hash 840680, now seen corresponding path program 1 times [2024-10-14 17:35:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103702709] [2024-10-14 17:35:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:38,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:38,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:38,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:38,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 17:35:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:38,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 17:35:38,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:38,992 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_22| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_22| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_22|)))) is different from true [2024-10-14 17:35:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:38,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:38,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:38,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103702709] [2024-10-14 17:35:38,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103702709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:38,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:38,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:35:38,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147500211] [2024-10-14 17:35:38,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:39,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:35:39,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:39,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:35:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-10-14 17:35:39,028 INFO L87 Difference]: Start difference. First operand has 196 states, 189 states have (on average 1.6772486772486772) internal successors, (317), 191 states have internal predecessors, (317), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:43,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:35:43,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:43,678 INFO L93 Difference]: Finished difference Result 293 states and 382 transitions. [2024-10-14 17:35:43,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:35:43,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-14 17:35:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:43,694 INFO L225 Difference]: With dead ends: 293 [2024-10-14 17:35:43,694 INFO L226 Difference]: Without dead ends: 291 [2024-10-14 17:35:43,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-10-14 17:35:43,698 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 125 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 383 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:43,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 473 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 1 Unknown, 383 Unchecked, 4.6s Time] [2024-10-14 17:35:43,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-14 17:35:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 194. [2024-10-14 17:35:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.303191489361702) internal successors, (245), 189 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 251 transitions. [2024-10-14 17:35:43,756 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 251 transitions. Word has length 3 [2024-10-14 17:35:43,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:43,756 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 251 transitions. [2024-10-14 17:35:43,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 251 transitions. [2024-10-14 17:35:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 17:35:43,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:43,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:35:43,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 17:35:43,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:43,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:43,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:43,960 INFO L85 PathProgramCache]: Analyzing trace with hash 791946537, now seen corresponding path program 1 times [2024-10-14 17:35:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:43,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836148804] [2024-10-14 17:35:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:43,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:43,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 17:35:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:44,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:35:44,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:44,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:44,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:44,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836148804] [2024-10-14 17:35:44,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836148804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:44,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:44,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:35:44,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599628221] [2024-10-14 17:35:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:44,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:35:44,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:44,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:35:44,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:35:44,290 INFO L87 Difference]: Start difference. First operand 194 states and 251 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:45,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:45,081 INFO L93 Difference]: Finished difference Result 316 states and 408 transitions. [2024-10-14 17:35:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:35:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-14 17:35:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:45,087 INFO L225 Difference]: With dead ends: 316 [2024-10-14 17:35:45,088 INFO L226 Difference]: Without dead ends: 316 [2024-10-14 17:35:45,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:35:45,089 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 148 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:45,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 456 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 17:35:45,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-14 17:35:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 283. [2024-10-14 17:35:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 277 states have (on average 1.3032490974729243) internal successors, (361), 278 states have internal predecessors, (361), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 367 transitions. [2024-10-14 17:35:45,120 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 367 transitions. Word has length 13 [2024-10-14 17:35:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:45,121 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 367 transitions. [2024-10-14 17:35:45,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2024-10-14 17:35:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 17:35:45,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:45,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:35:45,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 17:35:45,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:45,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:45,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:45,328 INFO L85 PathProgramCache]: Analyzing trace with hash 793793579, now seen corresponding path program 1 times [2024-10-14 17:35:45,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:45,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216030805] [2024-10-14 17:35:45,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:45,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:45,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:45,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:45,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 17:35:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:45,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 17:35:45,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:45,695 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_23| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_23| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_23|)))) is different from true [2024-10-14 17:35:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:45,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:45,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:45,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216030805] [2024-10-14 17:35:45,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216030805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:45,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:45,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:35:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678286253] [2024-10-14 17:35:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:45,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:35:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:35:45,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-10-14 17:35:45,698 INFO L87 Difference]: Start difference. First operand 283 states and 367 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:49,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:35:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:50,829 INFO L93 Difference]: Finished difference Result 361 states and 466 transitions. [2024-10-14 17:35:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:35:50,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-14 17:35:50,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:50,836 INFO L225 Difference]: With dead ends: 361 [2024-10-14 17:35:50,836 INFO L226 Difference]: Without dead ends: 359 [2024-10-14 17:35:50,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-10-14 17:35:50,838 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 90 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 353 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:50,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 473 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 353 Unchecked, 5.1s Time] [2024-10-14 17:35:50,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-14 17:35:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 332. [2024-10-14 17:35:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 326 states have (on average 1.3006134969325154) internal successors, (424), 327 states have internal predecessors, (424), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 430 transitions. [2024-10-14 17:35:50,859 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 430 transitions. Word has length 13 [2024-10-14 17:35:50,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:50,859 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 430 transitions. [2024-10-14 17:35:50,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 430 transitions. [2024-10-14 17:35:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 17:35:50,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:50,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:35:50,867 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 [2024-10-14 17:35:51,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:51,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:51,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:51,062 INFO L85 PathProgramCache]: Analyzing trace with hash 170462437, now seen corresponding path program 1 times [2024-10-14 17:35:51,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:51,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192071186] [2024-10-14 17:35:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:51,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:51,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:51,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-14 17:35:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:51,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 17:35:51,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:51,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:51,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:51,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192071186] [2024-10-14 17:35:51,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192071186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:51,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:51,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:35:51,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427450123] [2024-10-14 17:35:51,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:51,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:35:51,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:35:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:35:51,336 INFO L87 Difference]: Start difference. First operand 332 states and 430 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:55,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:35:57,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:57,959 INFO L93 Difference]: Finished difference Result 367 states and 472 transitions. [2024-10-14 17:35:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:35:57,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-14 17:35:57,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:57,962 INFO L225 Difference]: With dead ends: 367 [2024-10-14 17:35:57,962 INFO L226 Difference]: Without dead ends: 363 [2024-10-14 17:35:57,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:35:57,963 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 150 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:57,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 723 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-10-14 17:35:57,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-14 17:35:57,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 330. [2024-10-14 17:35:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 324 states have (on average 1.2993827160493827) internal successors, (421), 325 states have internal predecessors, (421), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 427 transitions. [2024-10-14 17:35:57,981 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 427 transitions. Word has length 22 [2024-10-14 17:35:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:57,981 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 427 transitions. [2024-10-14 17:35:57,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 427 transitions. [2024-10-14 17:35:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 17:35:57,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:57,986 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] [2024-10-14 17:35:57,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-14 17:35:58,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:58,186 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:58,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1040019876, now seen corresponding path program 1 times [2024-10-14 17:35:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900561177] [2024-10-14 17:35:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:58,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:58,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:58,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:58,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-14 17:35:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:58,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:35:58,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:58,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:58,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:58,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900561177] [2024-10-14 17:35:58,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900561177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:58,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:58,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:35:58,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498772333] [2024-10-14 17:35:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:58,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:35:58,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:58,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:35:58,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:35:58,399 INFO L87 Difference]: Start difference. First operand 330 states and 427 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:58,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:58,557 INFO L93 Difference]: Finished difference Result 339 states and 412 transitions. [2024-10-14 17:35:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:35:58,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 48 [2024-10-14 17:35:58,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:58,559 INFO L225 Difference]: With dead ends: 339 [2024-10-14 17:35:58,560 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 17:35:58,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:35:58,561 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 30 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:58,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 634 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:35:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 17:35:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-10-14 17:35:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 333 states have (on average 1.2192192192192193) internal successors, (406), 334 states have internal predecessors, (406), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 412 transitions. [2024-10-14 17:35:58,573 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 412 transitions. Word has length 48 [2024-10-14 17:35:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:58,574 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 412 transitions. [2024-10-14 17:35:58,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 412 transitions. [2024-10-14 17:35:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 17:35:58,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:58,575 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] [2024-10-14 17:35:58,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-14 17:35:58,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:58,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:35:58,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:35:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash 466555728, now seen corresponding path program 1 times [2024-10-14 17:35:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:35:58,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753216320] [2024-10-14 17:35:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:35:58,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:35:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:35:58,778 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:35:58,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-14 17:35:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:35:59,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 17:35:59,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:35:59,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:35:59,028 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:35:59,029 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 17:35:59,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-10-14 17:35:59,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:35:59,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-10-14 17:35:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:35:59,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:35:59,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:35:59,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753216320] [2024-10-14 17:35:59,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753216320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:35:59,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:35:59,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:35:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573606617] [2024-10-14 17:35:59,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:35:59,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 17:35:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:35:59,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 17:35:59,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:35:59,219 INFO L87 Difference]: Start difference. First operand 339 states and 412 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:35:59,803 INFO L93 Difference]: Finished difference Result 340 states and 420 transitions. [2024-10-14 17:35:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:35:59,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 48 [2024-10-14 17:35:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:35:59,806 INFO L225 Difference]: With dead ends: 340 [2024-10-14 17:35:59,806 INFO L226 Difference]: Without dead ends: 337 [2024-10-14 17:35:59,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 17:35:59,807 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 108 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 17:35:59,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 894 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 17:35:59,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-14 17:35:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2024-10-14 17:35:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 284 states have (on average 1.2359154929577465) internal successors, (351), 285 states have internal predecessors, (351), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:35:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 357 transitions. [2024-10-14 17:35:59,815 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 357 transitions. Word has length 48 [2024-10-14 17:35:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:35:59,815 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 357 transitions. [2024-10-14 17:35:59,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:35:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 357 transitions. [2024-10-14 17:35:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 17:35:59,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:35:59,818 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:35:59,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-14 17:36:00,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:00,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:00,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1200408094, now seen corresponding path program 1 times [2024-10-14 17:36:00,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:00,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347889274] [2024-10-14 17:36:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:00,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:00,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:00,027 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:00,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-14 17:36:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:00,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:36:00,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 17:36:00,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:00,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:00,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347889274] [2024-10-14 17:36:00,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347889274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:00,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:00,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:36:00,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512860896] [2024-10-14 17:36:00,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:00,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:36:00,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:36:00,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:36:00,525 INFO L87 Difference]: Start difference. First operand 290 states and 357 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:00,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:00,671 INFO L93 Difference]: Finished difference Result 296 states and 347 transitions. [2024-10-14 17:36:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:36:00,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-10-14 17:36:00,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:00,674 INFO L225 Difference]: With dead ends: 296 [2024-10-14 17:36:00,675 INFO L226 Difference]: Without dead ends: 296 [2024-10-14 17:36:00,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:36:00,676 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 33 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:00,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 598 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:36:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-14 17:36:00,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-10-14 17:36:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 290 states have (on average 1.1758620689655173) internal successors, (341), 291 states have internal predecessors, (341), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:36:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 347 transitions. [2024-10-14 17:36:00,682 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 347 transitions. Word has length 82 [2024-10-14 17:36:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:00,683 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 347 transitions. [2024-10-14 17:36:00,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 347 transitions. [2024-10-14 17:36:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 17:36:00,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:00,687 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:00,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-10-14 17:36:00,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:00,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:00,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:00,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2145883566, now seen corresponding path program 1 times [2024-10-14 17:36:00,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:00,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082411160] [2024-10-14 17:36:00,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:00,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:00,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:00,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-14 17:36:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:01,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:36:01,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 17:36:01,382 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:01,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:01,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082411160] [2024-10-14 17:36:01,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082411160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:01,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:01,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:36:01,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335015970] [2024-10-14 17:36:01,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:01,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 17:36:01,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:01,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 17:36:01,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:36:01,387 INFO L87 Difference]: Start difference. First operand 296 states and 347 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:01,531 INFO L93 Difference]: Finished difference Result 284 states and 327 transitions. [2024-10-14 17:36:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:36:01,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-10-14 17:36:01,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:01,534 INFO L225 Difference]: With dead ends: 284 [2024-10-14 17:36:01,534 INFO L226 Difference]: Without dead ends: 284 [2024-10-14 17:36:01,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:36:01,535 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 4 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:01,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 598 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:36:01,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-10-14 17:36:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-10-14 17:36:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 278 states have (on average 1.1546762589928057) internal successors, (321), 279 states have internal predecessors, (321), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 17:36:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 327 transitions. [2024-10-14 17:36:01,554 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 327 transitions. Word has length 82 [2024-10-14 17:36:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:01,554 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 327 transitions. [2024-10-14 17:36:01,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 327 transitions. [2024-10-14 17:36:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 17:36:01,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:01,558 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:01,570 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 [2024-10-14 17:36:01,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:01,759 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:01,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1951183704, now seen corresponding path program 1 times [2024-10-14 17:36:01,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574489255] [2024-10-14 17:36:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:01,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:01,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:01,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-10-14 17:36:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:02,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 17:36:02,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:36:02,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:02,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:02,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574489255] [2024-10-14 17:36:02,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574489255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:02,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:02,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:36:02,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878066692] [2024-10-14 17:36:02,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:02,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:36:02,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:02,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:36:02,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:36:02,227 INFO L87 Difference]: Start difference. First operand 284 states and 327 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 17:36:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:02,307 INFO L93 Difference]: Finished difference Result 286 states and 330 transitions. [2024-10-14 17:36:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 17:36:02,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-10-14 17:36:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:02,310 INFO L225 Difference]: With dead ends: 286 [2024-10-14 17:36:02,310 INFO L226 Difference]: Without dead ends: 286 [2024-10-14 17:36:02,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:36:02,312 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 653 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 [2024-10-14 17:36:02,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 653 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 17:36:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-14 17:36:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2024-10-14 17:36:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 279 states have (on average 1.157706093189964) internal successors, (323), 281 states have internal predecessors, (323), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 17:36:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 330 transitions. [2024-10-14 17:36:02,326 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 330 transitions. Word has length 82 [2024-10-14 17:36:02,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:02,328 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 330 transitions. [2024-10-14 17:36:02,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 17:36:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 330 transitions. [2024-10-14 17:36:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 17:36:02,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:02,331 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:02,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-10-14 17:36:02,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:02,532 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:02,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1115266002, now seen corresponding path program 1 times [2024-10-14 17:36:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:02,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323037812] [2024-10-14 17:36:02,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:02,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:02,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:02,536 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:02,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-10-14 17:36:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:02,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:36:02,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 17:36:02,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:36:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 17:36:03,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323037812] [2024-10-14 17:36:03,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323037812] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:36:03,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:36:03,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-14 17:36:03,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370238106] [2024-10-14 17:36:03,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:36:03,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 17:36:03,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:03,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 17:36:03,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 17:36:03,095 INFO L87 Difference]: Start difference. First operand 286 states and 330 transitions. Second operand has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:03,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:03,379 INFO L93 Difference]: Finished difference Result 295 states and 344 transitions. [2024-10-14 17:36:03,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 17:36:03,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-10-14 17:36:03,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:03,382 INFO L225 Difference]: With dead ends: 295 [2024-10-14 17:36:03,382 INFO L226 Difference]: Without dead ends: 295 [2024-10-14 17:36:03,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-14 17:36:03,383 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 5 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:03,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1083 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 17:36:03,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-14 17:36:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 294. [2024-10-14 17:36:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.1748251748251748) internal successors, (336), 288 states have internal predecessors, (336), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 17:36:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 343 transitions. [2024-10-14 17:36:03,389 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 343 transitions. Word has length 84 [2024-10-14 17:36:03,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:03,389 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 343 transitions. [2024-10-14 17:36:03,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 343 transitions. [2024-10-14 17:36:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 17:36:03,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:03,391 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:03,403 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 [2024-10-14 17:36:03,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:03,592 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:03,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:03,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2145741592, now seen corresponding path program 2 times [2024-10-14 17:36:03,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:03,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554735808] [2024-10-14 17:36:03,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:36:03,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:03,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:03,594 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:03,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-10-14 17:36:03,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:36:03,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:36:03,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 17:36:03,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 17:36:03,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:03,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554735808] [2024-10-14 17:36:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554735808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:36:03,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291709969] [2024-10-14 17:36:03,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:03,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:36:03,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:03,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:36:03,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:36:03,977 INFO L87 Difference]: Start difference. First operand 294 states and 343 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:08,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:36:12,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:36:14,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:14,970 INFO L93 Difference]: Finished difference Result 431 states and 513 transitions. [2024-10-14 17:36:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:36:14,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 88 [2024-10-14 17:36:14,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:14,975 INFO L225 Difference]: With dead ends: 431 [2024-10-14 17:36:14,975 INFO L226 Difference]: Without dead ends: 431 [2024-10-14 17:36:14,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:36:14,976 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 511 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:14,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 356 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 118 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2024-10-14 17:36:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-14 17:36:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 404. [2024-10-14 17:36:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 395 states have (on average 1.1848101265822786) internal successors, (468), 397 states have internal predecessors, (468), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 478 transitions. [2024-10-14 17:36:14,988 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 478 transitions. Word has length 88 [2024-10-14 17:36:14,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:14,988 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 478 transitions. [2024-10-14 17:36:14,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 478 transitions. [2024-10-14 17:36:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 17:36:14,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:14,990 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-10-14 17:36:15,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:15,191 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:15,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1289793336, now seen corresponding path program 1 times [2024-10-14 17:36:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431916756] [2024-10-14 17:36:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:15,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:15,194 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:15,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-10-14 17:36:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:15,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 17:36:15,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 17:36:15,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:36:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 17:36:15,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:15,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431916756] [2024-10-14 17:36:15,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431916756] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:36:15,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:36:15,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-14 17:36:15,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536722854] [2024-10-14 17:36:15,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:36:15,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 17:36:15,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:15,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 17:36:15,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-14 17:36:15,963 INFO L87 Difference]: Start difference. First operand 404 states and 478 transitions. Second operand has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:16,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:16,617 INFO L93 Difference]: Finished difference Result 416 states and 498 transitions. [2024-10-14 17:36:16,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 17:36:16,618 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-14 17:36:16,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:16,620 INFO L225 Difference]: With dead ends: 416 [2024-10-14 17:36:16,620 INFO L226 Difference]: Without dead ends: 414 [2024-10-14 17:36:16,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-14 17:36:16,620 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 8 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:16,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1302 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 17:36:16,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-14 17:36:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 413. [2024-10-14 17:36:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 404 states have (on average 1.188118811881188) internal successors, (480), 406 states have internal predecessors, (480), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 490 transitions. [2024-10-14 17:36:16,630 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 490 transitions. Word has length 97 [2024-10-14 17:36:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:16,630 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 490 transitions. [2024-10-14 17:36:16,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 490 transitions. [2024-10-14 17:36:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 17:36:16,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:16,632 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:16,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-10-14 17:36:16,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:16,832 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:16,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash 696381486, now seen corresponding path program 2 times [2024-10-14 17:36:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200197603] [2024-10-14 17:36:16,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:36:16,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:16,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:16,835 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:16,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-10-14 17:36:17,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 17:36:17,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:36:17,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 17:36:17,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 70 proven. 55 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 17:36:17,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:36:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 122 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-14 17:36:18,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:18,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200197603] [2024-10-14 17:36:18,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200197603] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:36:18,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:36:18,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-10-14 17:36:18,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136086448] [2024-10-14 17:36:18,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:36:18,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 17:36:18,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 17:36:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-10-14 17:36:18,291 INFO L87 Difference]: Start difference. First operand 413 states and 490 transitions. Second operand has 26 states, 24 states have (on average 4.708333333333333) internal successors, (113), 26 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:20,302 INFO L93 Difference]: Finished difference Result 434 states and 528 transitions. [2024-10-14 17:36:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-14 17:36:20,303 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.708333333333333) internal successors, (113), 26 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2024-10-14 17:36:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:20,305 INFO L225 Difference]: With dead ends: 434 [2024-10-14 17:36:20,305 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 17:36:20,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 17:36:20,306 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 13 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:20,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2812 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 17:36:20,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 17:36:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 431. [2024-10-14 17:36:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 422 states have (on average 1.1943127962085307) internal successors, (504), 424 states have internal predecessors, (504), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 514 transitions. [2024-10-14 17:36:20,325 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 514 transitions. Word has length 106 [2024-10-14 17:36:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:20,325 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 514 transitions. [2024-10-14 17:36:20,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.708333333333333) internal successors, (113), 26 states have internal predecessors, (113), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 514 transitions. [2024-10-14 17:36:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 17:36:20,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:20,327 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:20,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-10-14 17:36:20,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:20,528 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:20,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:20,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2013206290, now seen corresponding path program 3 times [2024-10-14 17:36:20,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:20,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66682406] [2024-10-14 17:36:20,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 17:36:20,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:20,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:20,532 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:20,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-10-14 17:36:21,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 17:36:21,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:36:21,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 17:36:21,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-10-14 17:36:21,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:21,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66682406] [2024-10-14 17:36:21,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66682406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:21,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:21,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:36:21,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655805432] [2024-10-14 17:36:21,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:21,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:36:21,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:21,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:36:21,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:36:21,150 INFO L87 Difference]: Start difference. First operand 431 states and 514 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:21,181 INFO L93 Difference]: Finished difference Result 432 states and 515 transitions. [2024-10-14 17:36:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:36:21,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 124 [2024-10-14 17:36:21,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:21,184 INFO L225 Difference]: With dead ends: 432 [2024-10-14 17:36:21,184 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 17:36:21,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:36:21,185 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:21,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 17:36:21,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 17:36:21,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2024-10-14 17:36:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 423 states have (on average 1.1938534278959811) internal successors, (505), 425 states have internal predecessors, (505), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 515 transitions. [2024-10-14 17:36:21,195 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 515 transitions. Word has length 124 [2024-10-14 17:36:21,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:21,195 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 515 transitions. [2024-10-14 17:36:21,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 515 transitions. [2024-10-14 17:36:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 17:36:21,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:21,197 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:21,207 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 [2024-10-14 17:36:21,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:21,398 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:21,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:21,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1620179280, now seen corresponding path program 1 times [2024-10-14 17:36:21,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:21,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681574871] [2024-10-14 17:36:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:36:21,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:21,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:21,400 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:21,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-10-14 17:36:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:36:22,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 17:36:22,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 280 proven. 253 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-14 17:36:22,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:36:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 530 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-14 17:36:24,435 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:24,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681574871] [2024-10-14 17:36:24,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681574871] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:36:24,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:36:24,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-10-14 17:36:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66409682] [2024-10-14 17:36:24,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:36:24,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-14 17:36:24,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-14 17:36:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 17:36:24,438 INFO L87 Difference]: Start difference. First operand 432 states and 515 transitions. Second operand has 50 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 50 states have internal predecessors, (137), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:32,039 INFO L93 Difference]: Finished difference Result 469 states and 585 transitions. [2024-10-14 17:36:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-14 17:36:32,040 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 50 states have internal predecessors, (137), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 124 [2024-10-14 17:36:32,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:32,042 INFO L225 Difference]: With dead ends: 469 [2024-10-14 17:36:32,042 INFO L226 Difference]: Without dead ends: 467 [2024-10-14 17:36:32,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-10-14 17:36:32,045 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 26 mSDsluCounter, 5186 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5405 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:32,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 5405 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 17:36:32,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-10-14 17:36:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 466. [2024-10-14 17:36:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 457 states have (on average 1.2056892778993435) internal successors, (551), 459 states have internal predecessors, (551), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 561 transitions. [2024-10-14 17:36:32,057 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 561 transitions. Word has length 124 [2024-10-14 17:36:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:32,057 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 561 transitions. [2024-10-14 17:36:32,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 50 states have internal predecessors, (137), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 17:36:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 561 transitions. [2024-10-14 17:36:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 17:36:32,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:32,060 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:32,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-10-14 17:36:32,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:32,261 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:32,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:32,262 INFO L85 PathProgramCache]: Analyzing trace with hash -558611024, now seen corresponding path program 2 times [2024-10-14 17:36:32,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909093219] [2024-10-14 17:36:32,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:36:32,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:32,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:32,266 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:32,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-10-14 17:36:33,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 17:36:33,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:36:33,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 17:36:33,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1083 proven. 276 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-10-14 17:36:34,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:36:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1083 proven. 276 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-10-14 17:36:36,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:36,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909093219] [2024-10-14 17:36:36,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909093219] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:36:36,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 17:36:36,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-10-14 17:36:36,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46652276] [2024-10-14 17:36:36,708 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 17:36:36,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-14 17:36:36,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-14 17:36:36,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 17:36:36,711 INFO L87 Difference]: Start difference. First operand 466 states and 561 transitions. Second operand has 52 states, 50 states have (on average 2.72) internal successors, (136), 52 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:36:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 17:36:44,567 INFO L93 Difference]: Finished difference Result 493 states and 615 transitions. [2024-10-14 17:36:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-14 17:36:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 2.72) internal successors, (136), 52 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 158 [2024-10-14 17:36:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 17:36:44,570 INFO L225 Difference]: With dead ends: 493 [2024-10-14 17:36:44,570 INFO L226 Difference]: Without dead ends: 493 [2024-10-14 17:36:44,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-10-14 17:36:44,573 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 27 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 5380 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-14 17:36:44,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 5380 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-14 17:36:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-10-14 17:36:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 491. [2024-10-14 17:36:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 482 states have (on average 1.2468879668049793) internal successors, (601), 484 states have internal predecessors, (601), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 17:36:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 611 transitions. [2024-10-14 17:36:44,583 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 611 transitions. Word has length 158 [2024-10-14 17:36:44,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 17:36:44,583 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 611 transitions. [2024-10-14 17:36:44,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 50 states have (on average 2.72) internal successors, (136), 52 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 17:36:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 611 transitions. [2024-10-14 17:36:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-14 17:36:44,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 17:36:44,585 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:36:44,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-10-14 17:36:44,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:44,786 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-14 17:36:44,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:36:44,787 INFO L85 PathProgramCache]: Analyzing trace with hash 793520586, now seen corresponding path program 3 times [2024-10-14 17:36:44,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 17:36:44,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265410588] [2024-10-14 17:36:44,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 17:36:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 17:36:44,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 17:36:44,789 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 17:36:44,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-10-14 17:36:45,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 17:36:45,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:36:45,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 17:36:45,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:36:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4375 trivial. 0 not checked. [2024-10-14 17:36:45,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:36:45,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 17:36:45,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265410588] [2024-10-14 17:36:45,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265410588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:36:45,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:36:45,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 17:36:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025923041] [2024-10-14 17:36:45,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:36:45,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 17:36:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 17:36:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 17:36:45,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 17:36:45,517 INFO L87 Difference]: Start difference. First operand 491 states and 611 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 17:36:49,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 17:36:53,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []