./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:19:23,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:19:23,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-22 18:19:23,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:19:23,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:19:23,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:19:23,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:19:23,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:19:23,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:19:23,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:19:23,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:19:23,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:19:23,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:19:23,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:19:23,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:19:23,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:19:23,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:19:23,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:19:23,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:19:23,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:19:23,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:19:23,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:19:23,420 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:19:23,420 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:19:23,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:19:23,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:19:23,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:19:23,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:19:23,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:19:23,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:19:23,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:19:23,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:19:23,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:19:23,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:19:23,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 18:19:23,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 18:19:23,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:19:23,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:19:23,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:19:23,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:19:23,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-22 18:19:23,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:19:23,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:19:23,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:19:23,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:19:23,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:19:23,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2024-11-22 18:19:24,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:19:25,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:19:25,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2024-11-22 18:19:25,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8543bb0/cc24374901694879871d100d43934cb7/FLAG4c4ccfdbe [2024-11-22 18:19:25,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8543bb0/cc24374901694879871d100d43934cb7 [2024-11-22 18:19:25,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:19:25,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:19:25,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:19:25,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:19:25,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:19:25,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:19:25" (1/1) ... [2024-11-22 18:19:25,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2611b77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:25, skipping insertion in model container [2024-11-22 18:19:25,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:19:25" (1/1) ... [2024-11-22 18:19:25,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:19:25,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,829 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,830 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,833 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,839 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,841 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:25,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:19:25,873 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-22 18:19:25,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2900f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:25, skipping insertion in model container [2024-11-22 18:19:25,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:19:25,875 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-22 18:19:25,876 INFO L158 Benchmark]: Toolchain (without parser) took 619.12ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 95.4MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 18:19:25,877 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 18:19:25,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.41ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 95.4MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 18:19:25,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.41ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 95.4MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:19:27,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:19:28,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-22 18:19:28,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:19:28,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:19:28,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:19:28,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:19:28,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:19:28,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 18:19:28,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 18:19:28,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:19:28,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:19:28,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:19:28,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:19:28,055 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:19:28,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:19:28,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:19:28,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:19:28,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:19:28,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:19:28,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:19:28,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:19:28,063 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 18:19:28,063 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 18:19:28,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:19:28,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:19:28,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 18:19:28,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 18:19:28,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:19:28,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 18:19:28,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:19:28,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:19:28,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:19:28,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:19:28,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:19:28,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:19:28,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 18:19:28,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:19:28,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:19:28,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:19:28,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:19:28,071 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 18:19:28,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 18:19:28,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:19:28,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:19:28,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:19:28,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:19:28,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-22 18:19:28,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:19:28,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:19:28,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:19:28,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:19:28,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:19:28,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2024-11-22 18:19:29,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:19:30,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:19:30,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2024-11-22 18:19:30,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cf30468/4b31a75e2a964a97a900db91aa6bcaf0/FLAGcbe616cfb [2024-11-22 18:19:30,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cf30468/4b31a75e2a964a97a900db91aa6bcaf0 [2024-11-22 18:19:30,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:19:30,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:19:30,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:19:30,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:19:30,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:19:30,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:19:30" (1/1) ... [2024-11-22 18:19:30,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455fc7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:30, skipping insertion in model container [2024-11-22 18:19:30,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:19:30" (1/1) ... [2024-11-22 18:19:30,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:19:30,824 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,920 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,937 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,985 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:30,994 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,009 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,010 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,015 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,015 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,016 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,024 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,026 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,029 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,032 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:19:31,060 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-22 18:19:31,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:19:31,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,113 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,142 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,146 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,147 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,148 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,155 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,160 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,161 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,161 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,162 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,162 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,165 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,165 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 18:19:31,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:19:31,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 18:19:31,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:19:31,299 INFO L204 MainTranslator]: Completed translation [2024-11-22 18:19:31,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31 WrapperNode [2024-11-22 18:19:31,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:19:31,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 18:19:31,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 18:19:31,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 18:19:31,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,399 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1431 [2024-11-22 18:19:31,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 18:19:31,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 18:19:31,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 18:19:31,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 18:19:31,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,551 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-11-22 18:19:31,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 18:19:31,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 18:19:31,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 18:19:31,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 18:19:31,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (1/1) ... [2024-11-22 18:19:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:19:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:19:31,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 18:19:31,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 18:19:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 18:19:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 18:19:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 18:19:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 18:19:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 18:19:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 18:19:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 18:19:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 18:19:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 18:19:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 18:19:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 18:19:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 18:19:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 18:19:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 18:19:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 18:19:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 18:19:31,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 18:19:31,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 18:19:44,907 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-22 18:19:44,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 18:19:44,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 18:19:44,927 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-22 18:19:44,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:19:44 BoogieIcfgContainer [2024-11-22 18:19:44,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 18:19:44,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 18:19:44,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 18:19:44,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 18:19:44,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:19:30" (1/3) ... [2024-11-22 18:19:44,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff470e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:19:44, skipping insertion in model container [2024-11-22 18:19:44,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:19:31" (2/3) ... [2024-11-22 18:19:44,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff470e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:19:44, skipping insertion in model container [2024-11-22 18:19:44,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:19:44" (3/3) ... [2024-11-22 18:19:44,935 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test4-3.i [2024-11-22 18:19:44,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 18:19:44,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 18:19:44,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 18:19:45,003 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;@78c8a9a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 18:19:45,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 18:19:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 241 states have (on average 1.6556016597510372) internal successors, (399), 243 states have internal predecessors, (399), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:19:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-22 18:19:45,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:19:45,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-22 18:19:45,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:19:45,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:19:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1419139, now seen corresponding path program 1 times [2024-11-22 18:19:45,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:19:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983611236] [2024-11-22 18:19:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:19:45,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:19:45,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:19:45,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:19:45,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 18:19:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:19:45,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 18:19:45,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:19:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:19:45,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:19:45,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:19:45,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983611236] [2024-11-22 18:19:45,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983611236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:19:45,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:19:45,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 18:19:45,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644763307] [2024-11-22 18:19:45,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:19:45,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:19:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:19:45,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:19:45,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:19:45,244 INFO L87 Difference]: Start difference. First operand has 251 states, 241 states have (on average 1.6556016597510372) internal successors, (399), 243 states have internal predecessors, (399), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:19:49,335 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 [] [2024-11-22 18:19:53,402 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 [] [2024-11-22 18:19:54,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:19:54,229 INFO L93 Difference]: Finished difference Result 314 states and 409 transitions. [2024-11-22 18:19:54,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:19:54,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-22 18:19:54,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:19:54,262 INFO L225 Difference]: With dead ends: 314 [2024-11-22 18:19:54,262 INFO L226 Difference]: Without dead ends: 310 [2024-11-22 18:19:54,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:19:54,266 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 81 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-22 18:19:54,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 659 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-22 18:19:54,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-22 18:19:54,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 260. [2024-11-22 18:19:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 251 states have (on average 1.298804780876494) internal successors, (326), 252 states have internal predecessors, (326), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 18:19:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 338 transitions. [2024-11-22 18:19:54,387 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 338 transitions. Word has length 4 [2024-11-22 18:19:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:19:54,388 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 338 transitions. [2024-11-22 18:19:54,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:19:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 338 transitions. [2024-11-22 18:19:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 18:19:54,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:19:54,389 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:19:54,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 18:19:54,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:19:54,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:19:54,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:19:54,591 INFO L85 PathProgramCache]: Analyzing trace with hash -227637592, now seen corresponding path program 1 times [2024-11-22 18:19:54,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:19:54,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424828268] [2024-11-22 18:19:54,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:19:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:19:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:19:54,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:19:54,595 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 (3)] Waiting until timeout for monitored process [2024-11-22 18:19:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:19:54,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:19:54,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:19:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:19:54,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:19:54,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:19:54,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424828268] [2024-11-22 18:19:54,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424828268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:19:54,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:19:54,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:19:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061467728] [2024-11-22 18:19:54,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:19:54,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:19:54,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:19:54,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:19:54,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:19:54,788 INFO L87 Difference]: Start difference. First operand 260 states and 338 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:19:59,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:20:03,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:20:05,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 18:20:10,553 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 [] [2024-11-22 18:20:11,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:11,330 INFO L93 Difference]: Finished difference Result 379 states and 492 transitions. [2024-11-22 18:20:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:20:11,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-22 18:20:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:11,334 INFO L225 Difference]: With dead ends: 379 [2024-11-22 18:20:11,334 INFO L226 Difference]: Without dead ends: 379 [2024-11-22 18:20:11,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:20:11,336 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 156 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:11,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 882 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2024-11-22 18:20:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-22 18:20:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-22 18:20:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 367 states have (on average 1.2915531335149864) internal successors, (474), 368 states have internal predecessors, (474), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 18:20:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 492 transitions. [2024-11-22 18:20:11,352 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 492 transitions. Word has length 11 [2024-11-22 18:20:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:11,352 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 492 transitions. [2024-11-22 18:20:11,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:20:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 492 transitions. [2024-11-22 18:20:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 18:20:11,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:11,354 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] [2024-11-22 18:20:11,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-22 18:20:11,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:11,556 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:11,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2107068027, now seen corresponding path program 1 times [2024-11-22 18:20:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965941469] [2024-11-22 18:20:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:11,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:11,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:11,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 18:20:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:11,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 18:20:11,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:20:11,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:11,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:11,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965941469] [2024-11-22 18:20:11,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965941469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:11,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:11,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 18:20:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601448376] [2024-11-22 18:20:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:11,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:20:11,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:11,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:20:11,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:20:11,855 INFO L87 Difference]: Start difference. First operand 379 states and 492 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:20:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:12,311 INFO L93 Difference]: Finished difference Result 431 states and 559 transitions. [2024-11-22 18:20:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:20:12,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2024-11-22 18:20:12,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:12,317 INFO L225 Difference]: With dead ends: 431 [2024-11-22 18:20:12,317 INFO L226 Difference]: Without dead ends: 431 [2024-11-22 18:20:12,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:20:12,319 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 121 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:12,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 608 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 18:20:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-22 18:20:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 377. [2024-11-22 18:20:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 365 states have (on average 1.2876712328767124) internal successors, (470), 366 states have internal predecessors, (470), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 18:20:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 488 transitions. [2024-11-22 18:20:12,329 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 488 transitions. Word has length 27 [2024-11-22 18:20:12,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:12,330 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 488 transitions. [2024-11-22 18:20:12,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:20:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 488 transitions. [2024-11-22 18:20:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 18:20:12,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:12,331 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] [2024-11-22 18:20:12,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-22 18:20:12,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:12,534 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:12,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1289419577, now seen corresponding path program 1 times [2024-11-22 18:20:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:12,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609895595] [2024-11-22 18:20:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:12,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:12,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:12,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 18:20:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:12,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 18:20:12,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:20:12,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:12,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:12,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609895595] [2024-11-22 18:20:12,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609895595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:12,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:12,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:20:12,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979208786] [2024-11-22 18:20:12,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:12,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:20:12,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:12,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:20:12,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:20:12,765 INFO L87 Difference]: Start difference. First operand 377 states and 488 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:20:16,915 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 [] [2024-11-22 18:20:21,145 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 [] [2024-11-22 18:20:23,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:23,882 INFO L93 Difference]: Finished difference Result 431 states and 558 transitions. [2024-11-22 18:20:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:20:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-11-22 18:20:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:23,886 INFO L225 Difference]: With dead ends: 431 [2024-11-22 18:20:23,886 INFO L226 Difference]: Without dead ends: 425 [2024-11-22 18:20:23,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:20:23,886 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 123 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:23,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 916 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2024-11-22 18:20:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-22 18:20:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 371. [2024-11-22 18:20:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 359 states have (on average 1.2896935933147633) internal successors, (463), 360 states have internal predecessors, (463), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 18:20:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 481 transitions. [2024-11-22 18:20:23,895 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 481 transitions. Word has length 27 [2024-11-22 18:20:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:23,895 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 481 transitions. [2024-11-22 18:20:23,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:20:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 481 transitions. [2024-11-22 18:20:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 18:20:23,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:23,899 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:23,904 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 [2024-11-22 18:20:24,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:24,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:24,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:24,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1665770981, now seen corresponding path program 1 times [2024-11-22 18:20:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750009656] [2024-11-22 18:20:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:24,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:24,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:24,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:24,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 18:20:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:24,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 18:20:24,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 18:20:24,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:24,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:24,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750009656] [2024-11-22 18:20:24,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750009656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:24,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:24,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:20:24,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394758175] [2024-11-22 18:20:24,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:24,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 18:20:24,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:24,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 18:20:24,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:20:24,700 INFO L87 Difference]: Start difference. First operand 371 states and 481 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:20:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:24,787 INFO L93 Difference]: Finished difference Result 377 states and 471 transitions. [2024-11-22 18:20:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 18:20:24,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 147 [2024-11-22 18:20:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:24,789 INFO L225 Difference]: With dead ends: 377 [2024-11-22 18:20:24,789 INFO L226 Difference]: Without dead ends: 377 [2024-11-22 18:20:24,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:20:24,790 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 41 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:24,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 850 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:20:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-22 18:20:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2024-11-22 18:20:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 365 states have (on average 1.2410958904109588) internal successors, (453), 366 states have internal predecessors, (453), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 18:20:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 471 transitions. [2024-11-22 18:20:24,797 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 471 transitions. Word has length 147 [2024-11-22 18:20:24,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:24,797 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 471 transitions. [2024-11-22 18:20:24,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:20:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 471 transitions. [2024-11-22 18:20:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 18:20:24,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:24,801 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:24,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-22 18:20:25,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:25,002 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:25,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:25,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1359410743, now seen corresponding path program 1 times [2024-11-22 18:20:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037614381] [2024-11-22 18:20:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:25,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:25,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:25,006 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:25,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 18:20:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:25,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 18:20:25,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 18:20:25,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:25,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:25,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037614381] [2024-11-22 18:20:25,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037614381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:25,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:25,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:20:25,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472654516] [2024-11-22 18:20:25,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:25,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:20:25,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:20:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:20:25,653 INFO L87 Difference]: Start difference. First operand 377 states and 471 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:20:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:25,762 INFO L93 Difference]: Finished difference Result 365 states and 451 transitions. [2024-11-22 18:20:25,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 18:20:25,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 147 [2024-11-22 18:20:25,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:25,764 INFO L225 Difference]: With dead ends: 365 [2024-11-22 18:20:25,764 INFO L226 Difference]: Without dead ends: 365 [2024-11-22 18:20:25,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:20:25,768 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 9 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:25,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 851 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:20:25,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-22 18:20:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-22 18:20:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 353 states have (on average 1.226628895184136) internal successors, (433), 354 states have internal predecessors, (433), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 18:20:25,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 451 transitions. [2024-11-22 18:20:25,776 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 451 transitions. Word has length 147 [2024-11-22 18:20:25,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:25,777 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 451 transitions. [2024-11-22 18:20:25,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 18:20:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 451 transitions. [2024-11-22 18:20:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 18:20:25,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:25,779 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:25,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-22 18:20:25,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:25,983 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:25,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:25,984 INFO L85 PathProgramCache]: Analyzing trace with hash -336215087, now seen corresponding path program 1 times [2024-11-22 18:20:25,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:25,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109253204] [2024-11-22 18:20:25,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:25,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:25,987 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:25,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 18:20:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:26,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 18:20:26,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 18:20:26,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:26,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:26,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109253204] [2024-11-22 18:20:26,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109253204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:26,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:26,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 18:20:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494396973] [2024-11-22 18:20:26,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:26,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 18:20:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 18:20:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:20:26,583 INFO L87 Difference]: Start difference. First operand 365 states and 451 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 18:20:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:26,652 INFO L93 Difference]: Finished difference Result 368 states and 457 transitions. [2024-11-22 18:20:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 18:20:26,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 147 [2024-11-22 18:20:26,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:26,655 INFO L225 Difference]: With dead ends: 368 [2024-11-22 18:20:26,655 INFO L226 Difference]: Without dead ends: 368 [2024-11-22 18:20:26,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 18:20:26,656 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 0 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:26,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 899 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:20:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-22 18:20:26,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-22 18:20:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 355 states have (on average 1.228169014084507) internal successors, (436), 357 states have internal predecessors, (436), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 457 transitions. [2024-11-22 18:20:26,664 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 457 transitions. Word has length 147 [2024-11-22 18:20:26,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:26,665 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 457 transitions. [2024-11-22 18:20:26,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 18:20:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 457 transitions. [2024-11-22 18:20:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 18:20:26,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:26,667 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:26,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-22 18:20:26,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:26,868 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:26,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:26,869 INFO L85 PathProgramCache]: Analyzing trace with hash -21562027, now seen corresponding path program 1 times [2024-11-22 18:20:26,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:26,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911930312] [2024-11-22 18:20:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:26,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:26,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:26,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:26,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 18:20:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:27,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 18:20:27,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 18:20:27,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 18:20:27,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911930312] [2024-11-22 18:20:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911930312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:27,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:27,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 18:20:27,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581821229] [2024-11-22 18:20:27,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:27,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 18:20:27,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:27,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 18:20:27,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 18:20:27,571 INFO L87 Difference]: Start difference. First operand 368 states and 457 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:27,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:27,746 INFO L93 Difference]: Finished difference Result 379 states and 475 transitions. [2024-11-22 18:20:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 18:20:27,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 151 [2024-11-22 18:20:27,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:27,748 INFO L225 Difference]: With dead ends: 379 [2024-11-22 18:20:27,748 INFO L226 Difference]: Without dead ends: 379 [2024-11-22 18:20:27,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-22 18:20:27,749 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 5 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:27,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1195 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:20:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-22 18:20:27,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 377. [2024-11-22 18:20:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 363 states have (on average 1.2396694214876034) internal successors, (450), 365 states have internal predecessors, (450), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 471 transitions. [2024-11-22 18:20:27,756 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 471 transitions. Word has length 151 [2024-11-22 18:20:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:27,756 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 471 transitions. [2024-11-22 18:20:27,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 471 transitions. [2024-11-22 18:20:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-22 18:20:27,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:27,758 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:27,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 18:20:27,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:27,958 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:27,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:27,959 INFO L85 PathProgramCache]: Analyzing trace with hash 427997521, now seen corresponding path program 2 times [2024-11-22 18:20:27,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:27,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113561238] [2024-11-22 18:20:27,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:20:27,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:27,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:27,961 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:27,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 18:20:28,516 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:20:28,516 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:20:28,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:20:28,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 18:20:28,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-22 18:20:28,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:28,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113561238] [2024-11-22 18:20:28,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113561238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:28,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:28,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 18:20:28,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016178470] [2024-11-22 18:20:28,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:28,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 18:20:28,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:28,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 18:20:28,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-22 18:20:28,812 INFO L87 Difference]: Start difference. First operand 377 states and 471 transitions. Second operand has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:29,322 INFO L93 Difference]: Finished difference Result 392 states and 495 transitions. [2024-11-22 18:20:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 18:20:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 159 [2024-11-22 18:20:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:29,325 INFO L225 Difference]: With dead ends: 392 [2024-11-22 18:20:29,325 INFO L226 Difference]: Without dead ends: 388 [2024-11-22 18:20:29,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-22 18:20:29,326 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 8 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:29,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1794 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 18:20:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-22 18:20:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2024-11-22 18:20:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 372 states have (on average 1.2419354838709677) internal successors, (462), 374 states have internal predecessors, (462), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 483 transitions. [2024-11-22 18:20:29,333 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 483 transitions. Word has length 159 [2024-11-22 18:20:29,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:29,333 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 483 transitions. [2024-11-22 18:20:29,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 483 transitions. [2024-11-22 18:20:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-22 18:20:29,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:29,335 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:29,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-22 18:20:29,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:29,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:29,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:29,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1949202699, now seen corresponding path program 3 times [2024-11-22 18:20:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:29,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723053402] [2024-11-22 18:20:29,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:20:29,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:29,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:29,539 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:29,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-22 18:20:31,107 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-22 18:20:31,107 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:20:31,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 18:20:31,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-22 18:20:31,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-22 18:20:31,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723053402] [2024-11-22 18:20:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723053402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:31,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-22 18:20:31,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841798588] [2024-11-22 18:20:31,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:31,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 18:20:31,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 18:20:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-22 18:20:31,564 INFO L87 Difference]: Start difference. First operand 386 states and 483 transitions. Second operand has 16 states, 16 states have (on average 9.1875) internal successors, (147), 16 states have internal predecessors, (147), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:20:32,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:32,246 INFO L93 Difference]: Finished difference Result 397 states and 502 transitions. [2024-11-22 18:20:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 18:20:32,247 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.1875) internal successors, (147), 16 states have internal predecessors, (147), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 177 [2024-11-22 18:20:32,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:32,248 INFO L225 Difference]: With dead ends: 397 [2024-11-22 18:20:32,248 INFO L226 Difference]: Without dead ends: 395 [2024-11-22 18:20:32,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=454, Unknown=0, NotChecked=0, Total=702 [2024-11-22 18:20:32,249 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 9 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:32,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2968 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 18:20:32,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-22 18:20:32,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 393. [2024-11-22 18:20:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 379 states have (on average 1.2532981530343008) internal successors, (475), 381 states have internal predecessors, (475), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 496 transitions. [2024-11-22 18:20:32,260 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 496 transitions. Word has length 177 [2024-11-22 18:20:32,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:32,261 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 496 transitions. [2024-11-22 18:20:32,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.1875) internal successors, (147), 16 states have internal predecessors, (147), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:20:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 496 transitions. [2024-11-22 18:20:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-22 18:20:32,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:32,262 INFO L215 NwaCegarLoop]: trace histogram [44, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:32,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-22 18:20:32,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:32,463 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:32,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash -463141935, now seen corresponding path program 4 times [2024-11-22 18:20:32,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:32,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473380562] [2024-11-22 18:20:32,464 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 18:20:32,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:32,466 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:32,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-22 18:20:32,950 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 18:20:32,951 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:20:32,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:20:32,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-22 18:20:32,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:20:32,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473380562] [2024-11-22 18:20:32,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473380562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:20:32,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:20:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 18:20:32,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538226537] [2024-11-22 18:20:32,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:20:32,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:20:32,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:32,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:20:32,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:20:32,998 INFO L87 Difference]: Start difference. First operand 393 states and 496 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 18:20:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:33,078 INFO L93 Difference]: Finished difference Result 433 states and 536 transitions. [2024-11-22 18:20:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:20:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-11-22 18:20:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:33,081 INFO L225 Difference]: With dead ends: 433 [2024-11-22 18:20:33,082 INFO L226 Difference]: Without dead ends: 433 [2024-11-22 18:20:33,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:20:33,082 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 4 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:33,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 557 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 18:20:33,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-22 18:20:33,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2024-11-22 18:20:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 419 states have (on average 1.2291169451073987) internal successors, (515), 421 states have internal predecessors, (515), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 536 transitions. [2024-11-22 18:20:33,090 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 536 transitions. Word has length 191 [2024-11-22 18:20:33,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:33,091 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 536 transitions. [2024-11-22 18:20:33,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 18:20:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 536 transitions. [2024-11-22 18:20:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-22 18:20:33,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:33,093 INFO L215 NwaCegarLoop]: trace histogram [44, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:33,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-22 18:20:33,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:33,294 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:33,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1302175597, now seen corresponding path program 1 times [2024-11-22 18:20:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:33,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567729121] [2024-11-22 18:20:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:20:33,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:33,298 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:33,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-22 18:20:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:20:34,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 18:20:34,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 417 proven. 55 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2024-11-22 18:20:34,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 1 proven. 468 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-22 18:20:34,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:34,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567729121] [2024-11-22 18:20:34,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567729121] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:34,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:34,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-22 18:20:34,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687109335] [2024-11-22 18:20:34,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:34,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-22 18:20:34,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:34,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-22 18:20:34,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-22 18:20:34,832 INFO L87 Difference]: Start difference. First operand 433 states and 536 transitions. Second operand has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 26 states have internal predecessors, (161), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:36,564 INFO L93 Difference]: Finished difference Result 451 states and 566 transitions. [2024-11-22 18:20:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-22 18:20:36,565 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 26 states have internal predecessors, (161), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 191 [2024-11-22 18:20:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:36,566 INFO L225 Difference]: With dead ends: 451 [2024-11-22 18:20:36,566 INFO L226 Difference]: Without dead ends: 447 [2024-11-22 18:20:36,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-22 18:20:36,571 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 13 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:36,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3583 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 18:20:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-22 18:20:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2024-11-22 18:20:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 431 states have (on average 1.222737819025522) internal successors, (527), 433 states have internal predecessors, (527), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 548 transitions. [2024-11-22 18:20:36,580 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 548 transitions. Word has length 191 [2024-11-22 18:20:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:36,580 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 548 transitions. [2024-11-22 18:20:36,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 26 states have internal predecessors, (161), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 548 transitions. [2024-11-22 18:20:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 18:20:36,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:36,582 INFO L215 NwaCegarLoop]: trace histogram [68, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:36,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-22 18:20:36,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:36,787 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:36,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1257011091, now seen corresponding path program 2 times [2024-11-22 18:20:36,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:36,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093517899] [2024-11-22 18:20:36,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:20:36,788 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 [2024-11-22 18:20:36,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:36,790 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:36,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-22 18:20:37,611 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:20:37,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:20:37,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-22 18:20:37,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2575 backedges. 1137 proven. 253 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-11-22 18:20:38,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2575 backedges. 1 proven. 1386 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-11-22 18:20:39,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:39,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093517899] [2024-11-22 18:20:39,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093517899] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:39,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:39,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-22 18:20:39,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348091295] [2024-11-22 18:20:39,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:39,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-22 18:20:39,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:39,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-22 18:20:39,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 18:20:39,870 INFO L87 Difference]: Start difference. First operand 445 states and 548 transitions. Second operand has 50 states, 50 states have (on average 3.7) internal successors, (185), 50 states have internal predecessors, (185), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:45,442 INFO L93 Difference]: Finished difference Result 484 states and 620 transitions. [2024-11-22 18:20:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-22 18:20:45,445 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.7) internal successors, (185), 50 states have internal predecessors, (185), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 215 [2024-11-22 18:20:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:45,448 INFO L225 Difference]: With dead ends: 484 [2024-11-22 18:20:45,448 INFO L226 Difference]: Without dead ends: 480 [2024-11-22 18:20:45,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-22 18:20:45,451 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 25 mSDsluCounter, 6857 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:45,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 7158 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1961 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-22 18:20:45,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-22 18:20:45,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2024-11-22 18:20:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 464 states have (on average 1.230603448275862) internal successors, (571), 466 states have internal predecessors, (571), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 592 transitions. [2024-11-22 18:20:45,462 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 592 transitions. Word has length 215 [2024-11-22 18:20:45,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:45,462 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 592 transitions. [2024-11-22 18:20:45,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.7) internal successors, (185), 50 states have internal predecessors, (185), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 18:20:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 592 transitions. [2024-11-22 18:20:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-22 18:20:45,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:45,464 INFO L215 NwaCegarLoop]: trace histogram [134, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:45,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-22 18:20:45,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:45,665 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:45,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:45,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1258567283, now seen corresponding path program 3 times [2024-11-22 18:20:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:45,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098347404] [2024-11-22 18:20:45,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:20:45,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:45,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:45,669 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:45,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-22 18:20:49,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-22 18:20:49,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:20:49,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 18:20:49,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:20:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 9472 backedges. 2743 proven. 276 refuted. 0 times theorem prover too weak. 6453 trivial. 0 not checked. [2024-11-22 18:20:49,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:20:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9472 backedges. 2743 proven. 276 refuted. 0 times theorem prover too weak. 6453 trivial. 0 not checked. [2024-11-22 18:20:51,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 18:20:51,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098347404] [2024-11-22 18:20:51,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098347404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:20:51,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:20:51,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-22 18:20:51,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563321884] [2024-11-22 18:20:51,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 18:20:51,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-22 18:20:51,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 18:20:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-22 18:20:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-22 18:20:51,925 INFO L87 Difference]: Start difference. First operand 478 states and 592 transitions. Second operand has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:20:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 18:20:58,489 INFO L93 Difference]: Finished difference Result 507 states and 647 transitions. [2024-11-22 18:20:58,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-22 18:20:58,490 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 281 [2024-11-22 18:20:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 18:20:58,491 INFO L225 Difference]: With dead ends: 507 [2024-11-22 18:20:58,491 INFO L226 Difference]: Without dead ends: 505 [2024-11-22 18:20:58,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-22 18:20:58,494 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 26 mSDsluCounter, 8017 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 18:20:58,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 8318 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 18:20:58,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-22 18:20:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 503. [2024-11-22 18:20:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 489 states have (on average 1.2678936605316973) internal successors, (620), 491 states have internal predecessors, (620), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-22 18:20:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 641 transitions. [2024-11-22 18:20:58,516 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 641 transitions. Word has length 281 [2024-11-22 18:20:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 18:20:58,516 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 641 transitions. [2024-11-22 18:20:58,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 18:20:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 641 transitions. [2024-11-22 18:20:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-22 18:20:58,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 18:20:58,518 INFO L215 NwaCegarLoop]: trace histogram [184, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:20:58,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-22 18:20:58,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:58,719 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-22 18:20:58,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:20:58,719 INFO L85 PathProgramCache]: Analyzing trace with hash -337787629, now seen corresponding path program 4 times [2024-11-22 18:20:58,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 18:20:58,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116614106] [2024-11-22 18:20:58,724 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 18:20:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 18:20:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 18:20:58,727 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 18:20:58,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-22 18:21:03,886 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 18:21:03,886 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:21:03,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 2801 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-22 18:21:03,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:21:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17597 backedges. 11056 proven. 1176 refuted. 0 times theorem prover too weak. 5365 trivial. 0 not checked. [2024-11-22 18:21:05,847 INFO L311 TraceCheckSpWp]: Computing backward predicates...