./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memcleanup.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:21:44,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:21:44,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-20 14:21:44,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:21:44,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:21:44,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:21:44,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:21:44,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:21:44,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 14:21:44,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 14:21:44,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:21:44,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:21:44,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:21:44,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:21:44,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:21:44,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:21:44,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:21:44,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:21:44,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:21:44,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:21:44,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:21:44,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:21:44,991 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 14:21:44,992 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 14:21:44,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:21:44,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:21:44,993 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 14:21:44,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:21:44,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:21:44,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:21:44,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:21:44,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:21:44,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:21:44,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:21:44,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 14:21:44,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:21:44,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:21:44,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:21:44,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:21:44,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 14:21:44,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 14:21:44,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:21:44,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:21:44,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:21:44,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:21:44,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-20 14:21:45,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:21:45,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:21:45,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:21:45,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:21:45,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:21:45,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2024-11-20 14:21:46,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:21:47,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:21:47,118 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2024-11-20 14:21:47,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca4856f1/a5516d85b4f34063940ce521f179292e/FLAGac2088e30 [2024-11-20 14:21:47,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca4856f1/a5516d85b4f34063940ce521f179292e [2024-11-20 14:21:47,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:21:47,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:21:47,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:21:47,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:21:47,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:21:47,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:21:47" (1/1) ... [2024-11-20 14:21:47,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cd984d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:47, skipping insertion in model container [2024-11-20 14:21:47,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:21:47" (1/1) ... [2024-11-20 14:21:47,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:21:47,698 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,750 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,793 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,793 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,812 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:47,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:21:47,851 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) [2024-11-20 14:21:47,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e5c5e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:47, skipping insertion in model container [2024-11-20 14:21:47,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:21:47,852 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-20 14:21:47,854 INFO L158 Benchmark]: Toolchain (without parser) took 701.12ms. Allocated memory is still 178.3MB. Free memory was 107.2MB in the beginning and 136.0MB in the end (delta: -28.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-20 14:21:47,854 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 14:21:47,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.98ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 136.0MB in the end (delta: -29.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-20 14:21:47,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.98ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 136.0MB in the end (delta: -29.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 750]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:21:49,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:21:49,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-20 14:21:49,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:21:49,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:21:49,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:21:49,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:21:49,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:21:49,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 14:21:49,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 14:21:49,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:21:49,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:21:49,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:21:49,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:21:49,998 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:21:49,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:21:49,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:21:49,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:21:50,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:21:50,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:21:50,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:21:50,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:21:50,001 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 14:21:50,001 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 14:21:50,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:21:50,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:21:50,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 14:21:50,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 14:21:50,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:21:50,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 14:21:50,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:21:50,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:21:50,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:21:50,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:21:50,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:21:50,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:21:50,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 14:21:50,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:21:50,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:21:50,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:21:50,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:21:50,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:21:50,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-20 14:21:50,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:21:50,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:21:50,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:21:50,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:21:50,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:21:50,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2024-11-20 14:21:51,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:21:52,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:21:52,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2024-11-20 14:21:52,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5710bc1b5/0cfaf177f192409a99d7fbf74ea96c81/FLAGd85121906 [2024-11-20 14:21:52,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5710bc1b5/0cfaf177f192409a99d7fbf74ea96c81 [2024-11-20 14:21:52,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:21:52,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:21:52,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:21:52,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:21:52,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:21:52,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:21:52" (1/1) ... [2024-11-20 14:21:52,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16823bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:52, skipping insertion in model container [2024-11-20 14:21:52,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:21:52" (1/1) ... [2024-11-20 14:21:52,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:21:53,081 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,121 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,165 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,173 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,177 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,178 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,187 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,187 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:21:53,225 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-20 14:21:53,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:21:53,258 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,273 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,275 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,279 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,298 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,300 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,300 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,302 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,303 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,304 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,305 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,308 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,309 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,310 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,311 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,315 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 14:21:53,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:21:53,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 14:21:53,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:21:53,476 INFO L204 MainTranslator]: Completed translation [2024-11-20 14:21:53,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53 WrapperNode [2024-11-20 14:21:53,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:21:53,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 14:21:53,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 14:21:53,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 14:21:53,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,620 INFO L138 Inliner]: procedures = 180, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1189 [2024-11-20 14:21:53,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 14:21:53,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 14:21:53,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 14:21:53,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 14:21:53,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,747 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [34, 2, 266]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [4, 0, 58]. [2024-11-20 14:21:53,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 14:21:53,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 14:21:53,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 14:21:53,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 14:21:53,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (1/1) ... [2024-11-20 14:21:53,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:21:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:21:53,922 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) [2024-11-20 14:21:53,926 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 [2024-11-20 14:21:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-20 14:21:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-20 14:21:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 14:21:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 14:21:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 14:21:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 14:21:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 14:21:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-20 14:21:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-20 14:21:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 14:21:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 14:21:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-20 14:21:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-20 14:21:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 14:21:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 14:21:54,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 14:21:54,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 14:22:02,516 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-20 14:22:02,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 14:22:02,541 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 14:22:02,542 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-20 14:22:02,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:22:02 BoogieIcfgContainer [2024-11-20 14:22:02,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 14:22:02,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 14:22:02,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 14:22:02,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 14:22:02,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:21:52" (1/3) ... [2024-11-20 14:22:02,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6112b821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:22:02, skipping insertion in model container [2024-11-20 14:22:02,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:21:53" (2/3) ... [2024-11-20 14:22:02,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6112b821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:22:02, skipping insertion in model container [2024-11-20 14:22:02,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:22:02" (3/3) ... [2024-11-20 14:22:02,552 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test3-2.i [2024-11-20 14:22:02,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 14:22:02,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 14:22:02,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:22:02,624 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;@1679de19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:22:02,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 14:22:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 233 states, 223 states have (on average 1.6591928251121075) internal successors, (370), 226 states have internal predecessors, (370), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 14:22:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-20 14:22:02,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:02,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-20 14:22:02,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:02,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1665324, now seen corresponding path program 1 times [2024-11-20 14:22:02,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:02,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649202823] [2024-11-20 14:22:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:02,647 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 [2024-11-20 14:22:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:02,651 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) [2024-11-20 14:22:02,666 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 [2024-11-20 14:22:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:02,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 14:22:02,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:02,940 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_16| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16|)))) is different from true [2024-11-20 14:22:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:02,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:02,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:02,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649202823] [2024-11-20 14:22:02,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649202823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:02,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:02,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 14:22:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508668196] [2024-11-20 14:22:02,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:02,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:02,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:02,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:02,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-20 14:22:02,982 INFO L87 Difference]: Start difference. First operand has 233 states, 223 states have (on average 1.6591928251121075) internal successors, (370), 226 states have internal predecessors, (370), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-11-20 14:22:07,227 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 [] [2024-11-20 14:22:07,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:07,966 INFO L93 Difference]: Finished difference Result 356 states and 468 transitions. [2024-11-20 14:22:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:22:07,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2024-11-20 14:22:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:07,987 INFO L225 Difference]: With dead ends: 356 [2024-11-20 14:22:07,987 INFO L226 Difference]: Without dead ends: 353 [2024-11-20 14:22:07,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-20 14:22:07,991 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 157 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 469 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:07,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 572 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 1 Unknown, 469 Unchecked, 4.9s Time] [2024-11-20 14:22:08,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-20 14:22:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 230. [2024-11-20 14:22:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 221 states have (on average 1.3031674208144797) internal successors, (288), 223 states have internal predecessors, (288), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 14:22:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 298 transitions. [2024-11-20 14:22:08,055 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 298 transitions. Word has length 4 [2024-11-20 14:22:08,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:08,056 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 298 transitions. [2024-11-20 14:22:08,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-11-20 14:22:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 298 transitions. [2024-11-20 14:22:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 14:22:08,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:08,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:08,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 14:22:08,259 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 [2024-11-20 14:22:08,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:08,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:08,260 INFO L85 PathProgramCache]: Analyzing trace with hash 38802630, now seen corresponding path program 1 times [2024-11-20 14:22:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:08,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434826011] [2024-11-20 14:22:08,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:08,261 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 [2024-11-20 14:22:08,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:08,263 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) [2024-11-20 14:22:08,265 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 [2024-11-20 14:22:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:08,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 14:22:08,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:08,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:08,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434826011] [2024-11-20 14:22:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434826011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:08,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:08,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:22:08,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281422255] [2024-11-20 14:22:08,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:08,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:08,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:08,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:08,617 INFO L87 Difference]: Start difference. First operand 230 states and 298 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:13,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 14:22:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 14:22:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:16,092 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2024-11-20 14:22:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:22:16,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-20 14:22:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:16,097 INFO L225 Difference]: With dead ends: 377 [2024-11-20 14:22:16,097 INFO L226 Difference]: Without dead ends: 377 [2024-11-20 14:22:16,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:16,098 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 182 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:16,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 834 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 113 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-20 14:22:16,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-20 14:22:16,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 345. [2024-11-20 14:22:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 335 states have (on average 1.3044776119402985) internal successors, (437), 338 states have internal predecessors, (437), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 14:22:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 449 transitions. [2024-11-20 14:22:16,118 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 449 transitions. Word has length 15 [2024-11-20 14:22:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:16,118 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 449 transitions. [2024-11-20 14:22:16,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 449 transitions. [2024-11-20 14:22:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 14:22:16,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:16,119 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:16,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-20 14:22:16,320 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 [2024-11-20 14:22:16,320 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:16,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:16,321 INFO L85 PathProgramCache]: Analyzing trace with hash -952324053, now seen corresponding path program 1 times [2024-11-20 14:22:16,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:16,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616633621] [2024-11-20 14:22:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:16,321 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 [2024-11-20 14:22:16,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:16,323 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) [2024-11-20 14:22:16,324 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 [2024-11-20 14:22:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:16,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 14:22:16,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:16,717 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_17| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17|)))) is different from true [2024-11-20 14:22:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:16,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:16,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:16,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616633621] [2024-11-20 14:22:16,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616633621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:16,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:16,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 14:22:16,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408685025] [2024-11-20 14:22:16,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:16,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:16,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-20 14:22:16,720 INFO L87 Difference]: Start difference. First operand 345 states and 449 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 14:22:20,868 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 [] [2024-11-20 14:22:21,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:21,006 INFO L93 Difference]: Finished difference Result 438 states and 568 transitions. [2024-11-20 14:22:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:22:21,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-11-20 14:22:21,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:21,014 INFO L225 Difference]: With dead ends: 438 [2024-11-20 14:22:21,014 INFO L226 Difference]: Without dead ends: 430 [2024-11-20 14:22:21,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-20 14:22:21,016 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 86 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 400 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:21,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 567 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 400 Unchecked, 4.3s Time] [2024-11-20 14:22:21,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-20 14:22:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 390. [2024-11-20 14:22:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 379 states have (on average 1.3034300791556728) internal successors, (494), 382 states have internal predecessors, (494), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 14:22:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 508 transitions. [2024-11-20 14:22:21,037 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 508 transitions. Word has length 16 [2024-11-20 14:22:21,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:21,039 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 508 transitions. [2024-11-20 14:22:21,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 14:22:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 508 transitions. [2024-11-20 14:22:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-20 14:22:21,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:21,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:21,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-20 14:22:21,242 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 [2024-11-20 14:22:21,243 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:21,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:21,243 INFO L85 PathProgramCache]: Analyzing trace with hash 22648310, now seen corresponding path program 1 times [2024-11-20 14:22:21,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:21,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272492561] [2024-11-20 14:22:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:21,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:22:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:21,247 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) [2024-11-20 14:22:21,248 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 [2024-11-20 14:22:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:21,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:22:21,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:21,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:21,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272492561] [2024-11-20 14:22:21,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272492561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:21,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:21,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:22:21,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468294219] [2024-11-20 14:22:21,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:21,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:21,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:21,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:21,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:21,494 INFO L87 Difference]: Start difference. First operand 390 states and 508 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:21,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:21,673 INFO L93 Difference]: Finished difference Result 399 states and 493 transitions. [2024-11-20 14:22:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:22:21,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-20 14:22:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:21,675 INFO L225 Difference]: With dead ends: 399 [2024-11-20 14:22:21,675 INFO L226 Difference]: Without dead ends: 399 [2024-11-20 14:22:21,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:21,676 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 30 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:21,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 785 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:22:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-20 14:22:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-20 14:22:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 388 states have (on average 1.2345360824742269) internal successors, (479), 391 states have internal predecessors, (479), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 14:22:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 493 transitions. [2024-11-20 14:22:21,701 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 493 transitions. Word has length 51 [2024-11-20 14:22:21,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:21,701 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 493 transitions. [2024-11-20 14:22:21,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 493 transitions. [2024-11-20 14:22:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-20 14:22:21,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:21,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:21,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-20 14:22:21,906 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 [2024-11-20 14:22:21,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:21,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash 437825002, now seen corresponding path program 1 times [2024-11-20 14:22:21,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:21,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995619529] [2024-11-20 14:22:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:21,908 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 [2024-11-20 14:22:21,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:21,912 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) [2024-11-20 14:22:21,913 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 [2024-11-20 14:22:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:22,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 14:22:22,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:22,154 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:22,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-20 14:22:22,248 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 14:22:22,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-20 14:22:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:22,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:22,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:22,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995619529] [2024-11-20 14:22:22,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995619529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:22,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:22,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 14:22:22,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490997480] [2024-11-20 14:22:22,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:22,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 14:22:22,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 14:22:22,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:22,315 INFO L87 Difference]: Start difference. First operand 399 states and 493 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:22,790 INFO L93 Difference]: Finished difference Result 400 states and 500 transitions. [2024-11-20 14:22:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:22:22,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-20 14:22:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:22,793 INFO L225 Difference]: With dead ends: 400 [2024-11-20 14:22:22,793 INFO L226 Difference]: Without dead ends: 397 [2024-11-20 14:22:22,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 14:22:22,794 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 108 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:22,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1094 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 14:22:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-20 14:22:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 350. [2024-11-20 14:22:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 340 states have (on average 1.25) internal successors, (425), 343 states have internal predecessors, (425), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 14:22:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 437 transitions. [2024-11-20 14:22:22,804 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 437 transitions. Word has length 51 [2024-11-20 14:22:22,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:22,804 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 437 transitions. [2024-11-20 14:22:22,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:22:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 437 transitions. [2024-11-20 14:22:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 14:22:22,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:22,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:22,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-20 14:22:23,007 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 [2024-11-20 14:22:23,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:23,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:23,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1275911777, now seen corresponding path program 1 times [2024-11-20 14:22:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559594380] [2024-11-20 14:22:23,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:23,010 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 [2024-11-20 14:22:23,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:23,013 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) [2024-11-20 14:22:23,015 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 [2024-11-20 14:22:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:23,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:22:23,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 14:22:23,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:23,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:23,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559594380] [2024-11-20 14:22:23,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559594380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:23,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:23,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:22:23,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474194080] [2024-11-20 14:22:23,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:23,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:23,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:23,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:23,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:23,535 INFO L87 Difference]: Start difference. First operand 350 states and 437 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:23,678 INFO L93 Difference]: Finished difference Result 356 states and 427 transitions. [2024-11-20 14:22:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:22:23,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 86 [2024-11-20 14:22:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:23,680 INFO L225 Difference]: With dead ends: 356 [2024-11-20 14:22:23,681 INFO L226 Difference]: Without dead ends: 356 [2024-11-20 14:22:23,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:23,682 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 33 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:23,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 749 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:22:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-20 14:22:23,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-20 14:22:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.199421965317919) internal successors, (415), 349 states have internal predecessors, (415), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 14:22:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 427 transitions. [2024-11-20 14:22:23,690 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 427 transitions. Word has length 86 [2024-11-20 14:22:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:23,690 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 427 transitions. [2024-11-20 14:22:23,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 427 transitions. [2024-11-20 14:22:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 14:22:23,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:23,695 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:23,706 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 [2024-11-20 14:22:23,895 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 [2024-11-20 14:22:23,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:23,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1011652593, now seen corresponding path program 1 times [2024-11-20 14:22:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:23,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399394895] [2024-11-20 14:22:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:23,897 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 [2024-11-20 14:22:23,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:23,898 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) [2024-11-20 14:22:23,899 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 [2024-11-20 14:22:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:24,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 14:22:24,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 14:22:24,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:24,460 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399394895] [2024-11-20 14:22:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399394895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 14:22:24,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126233101] [2024-11-20 14:22:24,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:24,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 14:22:24,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:24,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 14:22:24,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:24,465 INFO L87 Difference]: Start difference. First operand 356 states and 427 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:24,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:24,575 INFO L93 Difference]: Finished difference Result 344 states and 407 transitions. [2024-11-20 14:22:24,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:22:24,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 86 [2024-11-20 14:22:24,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:24,577 INFO L225 Difference]: With dead ends: 344 [2024-11-20 14:22:24,577 INFO L226 Difference]: Without dead ends: 344 [2024-11-20 14:22:24,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:24,578 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 6 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:24,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 749 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 14:22:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-20 14:22:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-20 14:22:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 334 states have (on average 1.1826347305389222) internal successors, (395), 337 states have internal predecessors, (395), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 14:22:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 407 transitions. [2024-11-20 14:22:24,586 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 407 transitions. Word has length 86 [2024-11-20 14:22:24,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:24,586 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 407 transitions. [2024-11-20 14:22:24,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 407 transitions. [2024-11-20 14:22:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 14:22:24,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:24,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:24,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-20 14:22:24,788 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 [2024-11-20 14:22:24,789 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:24,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1932891861, now seen corresponding path program 1 times [2024-11-20 14:22:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835141001] [2024-11-20 14:22:24,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:24,790 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 [2024-11-20 14:22:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:24,791 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) [2024-11-20 14:22:24,793 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 [2024-11-20 14:22:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:25,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:22:25,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:22:25,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:25,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:25,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835141001] [2024-11-20 14:22:25,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835141001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:25,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:25,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:22:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626299227] [2024-11-20 14:22:25,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:25,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:25,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:25,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:25,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:25,271 INFO L87 Difference]: Start difference. First operand 344 states and 407 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 14:22:25,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:25,322 INFO L93 Difference]: Finished difference Result 347 states and 411 transitions. [2024-11-20 14:22:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:22:25,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 86 [2024-11-20 14:22:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:25,326 INFO L225 Difference]: With dead ends: 347 [2024-11-20 14:22:25,326 INFO L226 Difference]: Without dead ends: 347 [2024-11-20 14:22:25,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:25,327 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:25,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 803 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 14:22:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-20 14:22:25,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2024-11-20 14:22:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 336 states have (on average 1.1845238095238095) internal successors, (398), 340 states have internal predecessors, (398), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 411 transitions. [2024-11-20 14:22:25,335 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 411 transitions. Word has length 86 [2024-11-20 14:22:25,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:25,335 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 411 transitions. [2024-11-20 14:22:25,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 14:22:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 411 transitions. [2024-11-20 14:22:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 14:22:25,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:25,341 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:25,359 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 [2024-11-20 14:22:25,541 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 [2024-11-20 14:22:25,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:25,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:25,542 INFO L85 PathProgramCache]: Analyzing trace with hash 81051319, now seen corresponding path program 1 times [2024-11-20 14:22:25,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:25,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160901002] [2024-11-20 14:22:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:25,543 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 [2024-11-20 14:22:25,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:25,546 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) [2024-11-20 14:22:25,547 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 [2024-11-20 14:22:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:25,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 14:22:26,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 14:22:26,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:22:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 14:22:26,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:26,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160901002] [2024-11-20 14:22:26,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160901002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:22:26,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:22:26,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 14:22:26,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421675277] [2024-11-20 14:22:26,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:22:26,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 14:22:26,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:26,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 14:22:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 14:22:26,166 INFO L87 Difference]: Start difference. First operand 347 states and 411 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:26,429 INFO L93 Difference]: Finished difference Result 358 states and 427 transitions. [2024-11-20 14:22:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 14:22:26,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 88 [2024-11-20 14:22:26,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:26,431 INFO L225 Difference]: With dead ends: 358 [2024-11-20 14:22:26,431 INFO L226 Difference]: Without dead ends: 358 [2024-11-20 14:22:26,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-20 14:22:26,432 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 5 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:26,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1334 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 14:22:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-20 14:22:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2024-11-20 14:22:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 344 states have (on average 1.197674418604651) internal successors, (412), 348 states have internal predecessors, (412), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 425 transitions. [2024-11-20 14:22:26,440 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 425 transitions. Word has length 88 [2024-11-20 14:22:26,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:26,440 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 425 transitions. [2024-11-20 14:22:26,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 425 transitions. [2024-11-20 14:22:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 14:22:26,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:26,441 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:26,453 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 [2024-11-20 14:22:26,642 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 [2024-11-20 14:22:26,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:26,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash 544165845, now seen corresponding path program 2 times [2024-11-20 14:22:26,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:26,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237281953] [2024-11-20 14:22:26,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 14:22:26,643 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 [2024-11-20 14:22:26,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:26,645 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) [2024-11-20 14:22:26,646 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 [2024-11-20 14:22:27,200 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 14:22:27,201 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:22:27,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 14:22:27,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 14:22:27,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:22:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 14:22:27,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:27,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237281953] [2024-11-20 14:22:27,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237281953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:22:27,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:22:27,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-20 14:22:27,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879063924] [2024-11-20 14:22:27,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:22:27,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 14:22:27,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:27,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 14:22:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-20 14:22:27,578 INFO L87 Difference]: Start difference. First operand 356 states and 425 transitions. Second operand has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 14 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:28,179 INFO L93 Difference]: Finished difference Result 371 states and 447 transitions. [2024-11-20 14:22:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 14:22:28,180 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 14 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 92 [2024-11-20 14:22:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:28,182 INFO L225 Difference]: With dead ends: 371 [2024-11-20 14:22:28,182 INFO L226 Difference]: Without dead ends: 367 [2024-11-20 14:22:28,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-20 14:22:28,183 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 8 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:28,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2135 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 14:22:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-20 14:22:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-11-20 14:22:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 353 states have (on average 1.2011331444759208) internal successors, (424), 357 states have internal predecessors, (424), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 437 transitions. [2024-11-20 14:22:28,192 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 437 transitions. Word has length 92 [2024-11-20 14:22:28,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:28,192 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 437 transitions. [2024-11-20 14:22:28,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.928571428571429) internal successors, (97), 14 states have internal predecessors, (97), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 437 transitions. [2024-11-20 14:22:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-20 14:22:28,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:28,194 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:28,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-20 14:22:28,397 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 [2024-11-20 14:22:28,398 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:28,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:28,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1968257049, now seen corresponding path program 3 times [2024-11-20 14:22:28,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:28,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66426189] [2024-11-20 14:22:28,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 14:22:28,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:22:28,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:28,400 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) [2024-11-20 14:22:28,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-20 14:22:28,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 14:22:28,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:22:28,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 14:22:28,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:29,288 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:29,289 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:29,290 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-20 14:22:29,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-20 14:22:29,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 14:22:29,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-20 14:22:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-20 14:22:29,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:29,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66426189] [2024-11-20 14:22:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66426189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:29,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:29,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 14:22:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342247446] [2024-11-20 14:22:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:29,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 14:22:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:29,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 14:22:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 14:22:29,416 INFO L87 Difference]: Start difference. First operand 365 states and 437 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:29,754 INFO L93 Difference]: Finished difference Result 482 states and 585 transitions. [2024-11-20 14:22:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 14:22:29,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-20 14:22:29,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:29,757 INFO L225 Difference]: With dead ends: 482 [2024-11-20 14:22:29,757 INFO L226 Difference]: Without dead ends: 482 [2024-11-20 14:22:29,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-20 14:22:29,759 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 575 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:29,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 704 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 14:22:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-20 14:22:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 367. [2024-11-20 14:22:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 355 states have (on average 1.2) internal successors, (426), 359 states have internal predecessors, (426), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 439 transitions. [2024-11-20 14:22:29,771 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 439 transitions. Word has length 101 [2024-11-20 14:22:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:29,772 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 439 transitions. [2024-11-20 14:22:29,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 439 transitions. [2024-11-20 14:22:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 14:22:29,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:29,774 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:29,786 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 [2024-11-20 14:22:29,974 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 [2024-11-20 14:22:29,975 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:29,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:29,975 INFO L85 PathProgramCache]: Analyzing trace with hash 837673917, now seen corresponding path program 1 times [2024-11-20 14:22:29,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:29,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110291409] [2024-11-20 14:22:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:29,976 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 [2024-11-20 14:22:29,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:29,977 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) [2024-11-20 14:22:29,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-20 14:22:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:30,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 14:22:30,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 14:22:30,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:22:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 14:22:31,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:31,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110291409] [2024-11-20 14:22:31,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110291409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:22:31,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:22:31,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-20 14:22:31,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400400697] [2024-11-20 14:22:31,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:22:31,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 14:22:31,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:31,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 14:22:31,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-20 14:22:31,381 INFO L87 Difference]: Start difference. First operand 367 states and 439 transitions. Second operand has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 26 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:33,013 INFO L93 Difference]: Finished difference Result 391 states and 479 transitions. [2024-11-20 14:22:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-20 14:22:33,014 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 26 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 137 [2024-11-20 14:22:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:33,017 INFO L225 Difference]: With dead ends: 391 [2024-11-20 14:22:33,018 INFO L226 Difference]: Without dead ends: 387 [2024-11-20 14:22:33,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-20 14:22:33,019 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 14 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3473 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:33,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3473 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 14:22:33,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-20 14:22:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2024-11-20 14:22:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 373 states have (on average 1.2064343163538873) internal successors, (450), 377 states have internal predecessors, (450), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 463 transitions. [2024-11-20 14:22:33,041 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 463 transitions. Word has length 137 [2024-11-20 14:22:33,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:33,041 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 463 transitions. [2024-11-20 14:22:33,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 26 states have internal predecessors, (145), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 463 transitions. [2024-11-20 14:22:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 14:22:33,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:33,044 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:33,059 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 [2024-11-20 14:22:33,248 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 [2024-11-20 14:22:33,249 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash 836749501, now seen corresponding path program 2 times [2024-11-20 14:22:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:33,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406963828] [2024-11-20 14:22:33,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 14:22:33,251 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 [2024-11-20 14:22:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:33,255 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) [2024-11-20 14:22:33,256 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 [2024-11-20 14:22:33,929 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 14:22:33,929 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:22:33,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 14:22:33,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 281 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-20 14:22:34,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:22:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-20 14:22:36,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:36,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406963828] [2024-11-20 14:22:36,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406963828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:22:36,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:22:36,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-20 14:22:36,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966749197] [2024-11-20 14:22:36,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:22:36,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-20 14:22:36,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-20 14:22:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-20 14:22:36,246 INFO L87 Difference]: Start difference. First operand 385 states and 463 transitions. Second operand has 50 states, 50 states have (on average 3.38) internal successors, (169), 50 states have internal predecessors, (169), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:42,801 INFO L93 Difference]: Finished difference Result 425 states and 535 transitions. [2024-11-20 14:22:42,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-20 14:22:42,802 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.38) internal successors, (169), 50 states have internal predecessors, (169), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 155 [2024-11-20 14:22:42,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:42,806 INFO L225 Difference]: With dead ends: 425 [2024-11-20 14:22:42,806 INFO L226 Difference]: Without dead ends: 421 [2024-11-20 14:22:42,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-20 14:22:42,809 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 26 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6414 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:42,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6414 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-20 14:22:42,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-20 14:22:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2024-11-20 14:22:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 407 states have (on average 1.2186732186732188) internal successors, (496), 411 states have internal predecessors, (496), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-20 14:22:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 509 transitions. [2024-11-20 14:22:42,817 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 509 transitions. Word has length 155 [2024-11-20 14:22:42,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:42,817 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 509 transitions. [2024-11-20 14:22:42,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.38) internal successors, (169), 50 states have internal predecessors, (169), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 14:22:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 509 transitions. [2024-11-20 14:22:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-20 14:22:42,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:42,821 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:42,842 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 [2024-11-20 14:22:43,021 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 [2024-11-20 14:22:43,022 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:43,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:43,023 INFO L85 PathProgramCache]: Analyzing trace with hash 247150333, now seen corresponding path program 3 times [2024-11-20 14:22:43,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:43,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45054486] [2024-11-20 14:22:43,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 14:22:43,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:22:43,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:43,028 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) [2024-11-20 14:22:43,030 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 [2024-11-20 14:22:43,642 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 14:22:43,642 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:22:43,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 14:22:43,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2024-11-20 14:22:43,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:22:43,990 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:43,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45054486] [2024-11-20 14:22:43,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45054486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:22:43,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:22:43,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:22:43,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561630539] [2024-11-20 14:22:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:22:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:22:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:43,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:22:43,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:22:43,991 INFO L87 Difference]: Start difference. First operand 419 states and 509 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:48,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 14:22:52,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 14:22:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:22:54,280 INFO L93 Difference]: Finished difference Result 590 states and 724 transitions. [2024-11-20 14:22:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:22:54,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 189 [2024-11-20 14:22:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:22:54,284 INFO L225 Difference]: With dead ends: 590 [2024-11-20 14:22:54,284 INFO L226 Difference]: Without dead ends: 590 [2024-11-20 14:22:54,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 14:22:54,284 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 520 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-20 14:22:54,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 580 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 135 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2024-11-20 14:22:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-20 14:22:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 516. [2024-11-20 14:22:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 502 states have (on average 1.2171314741035857) internal successors, (611), 507 states have internal predecessors, (611), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-20 14:22:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 628 transitions. [2024-11-20 14:22:54,298 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 628 transitions. Word has length 189 [2024-11-20 14:22:54,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:22:54,298 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 628 transitions. [2024-11-20 14:22:54,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 14:22:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 628 transitions. [2024-11-20 14:22:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 14:22:54,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:22:54,309 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:22:54,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-20 14:22:54,510 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 [2024-11-20 14:22:54,510 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:22:54,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:22:54,511 INFO L85 PathProgramCache]: Analyzing trace with hash 287461447, now seen corresponding path program 1 times [2024-11-20 14:22:54,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:22:54,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453349861] [2024-11-20 14:22:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:22:54,512 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 [2024-11-20 14:22:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:22:54,513 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) [2024-11-20 14:22:54,514 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 [2024-11-20 14:22:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:22:55,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 14:22:55,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:22:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:22:56,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 14:22:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:22:58,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 14:22:58,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453349861] [2024-11-20 14:22:58,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453349861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 14:22:58,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 14:22:58,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-20 14:22:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795518731] [2024-11-20 14:22:58,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 14:22:58,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-20 14:22:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 14:22:58,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-20 14:22:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 14:22:58,522 INFO L87 Difference]: Start difference. First operand 516 states and 628 transitions. Second operand has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:23:06,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 14:23:06,673 INFO L93 Difference]: Finished difference Result 545 states and 682 transitions. [2024-11-20 14:23:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-20 14:23:06,674 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 197 [2024-11-20 14:23:06,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 14:23:06,677 INFO L225 Difference]: With dead ends: 545 [2024-11-20 14:23:06,677 INFO L226 Difference]: Without dead ends: 545 [2024-11-20 14:23:06,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-20 14:23:06,680 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 27 mSDsluCounter, 6387 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 6655 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 14:23:06,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 6655 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 14:23:06,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-20 14:23:06,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 541. [2024-11-20 14:23:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 527 states have (on average 1.25426944971537) internal successors, (661), 532 states have internal predecessors, (661), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-20 14:23:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 678 transitions. [2024-11-20 14:23:06,691 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 678 transitions. Word has length 197 [2024-11-20 14:23:06,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 14:23:06,691 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 678 transitions. [2024-11-20 14:23:06,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 14:23:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 678 transitions. [2024-11-20 14:23:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-20 14:23:06,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 14:23:06,694 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:23:06,717 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 (16)] Forceful destruction successful, exit code 0 [2024-11-20 14:23:06,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 14:23:06,894 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-20 14:23:06,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:23:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1516862275, now seen corresponding path program 2 times [2024-11-20 14:23:06,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 14:23:06,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410455359] [2024-11-20 14:23:06,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 14:23:06,896 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 [2024-11-20 14:23:06,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 14:23:06,899 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 14:23:06,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-20 14:23:08,736 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 14:23:08,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 14:23:08,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-20 14:23:08,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:23:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-20 14:23:11,045 INFO L311 TraceCheckSpWp]: Computing backward predicates...