./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:24:48,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:24:49,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:24:49,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:24:49,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:24:49,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:24:49,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:24:49,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:24:49,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:24:49,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:24:49,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:24:49,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:24:49,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:24:49,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:24:49,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:24:49,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:24:49,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:24:49,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:24:49,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:24:49,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:24:49,094 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:24:49,097 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:24:49,097 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:24:49,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:24:49,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:24:49,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:24:49,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:24:49,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:24:49,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:24:49,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:24:49,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:24:49,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:24:49,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:24:49,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:24:49,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:24:49,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:24:49,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:24:49,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:24:49,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:24:49,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:24:49,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:24:49,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:24:49,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad [2024-11-10 17:24:49,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:24:49,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:24:49,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:24:49,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:24:49,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:24:49,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2024-11-10 17:24:50,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:24:51,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:24:51,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2024-11-10 17:24:51,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a0ef24f/48938abd247049088a49e35272580729/FLAG04c91ec0a [2024-11-10 17:24:51,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a0ef24f/48938abd247049088a49e35272580729 [2024-11-10 17:24:51,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:24:51,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:24:51,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:24:51,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:24:51,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:24:51,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:24:51" (1/1) ... [2024-11-10 17:24:51,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72147056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:51, skipping insertion in model container [2024-11-10 17:24:51,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:24:51" (1/1) ... [2024-11-10 17:24:51,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:24:51,793 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,832 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,838 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,844 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,849 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,899 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,902 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,906 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,912 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,949 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,950 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,952 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,953 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,959 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,961 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,963 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,968 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,971 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,973 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:51,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:24:52,004 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) [2024-11-10 17:24:52,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78e4780c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:52, skipping insertion in model container [2024-11-10 17:24:52,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:24:52,006 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-10 17:24:52,008 INFO L158 Benchmark]: Toolchain (without parser) took 752.90ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 79.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 17:24:52,009 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:24:52,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.89ms. Allocated memory is still 165.7MB. Free memory was 106.3MB in the beginning and 79.5MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 17:24:52,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.89ms. Allocated memory is still 165.7MB. Free memory was 106.3MB in the beginning and 79.5MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:24:53,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:24:54,062 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-10 17:24:54,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:24:54,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:24:54,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:24:54,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:24:54,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:24:54,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:24:54,103 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:24:54,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:24:54,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:24:54,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:24:54,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:24:54,108 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:24:54,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:24:54,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:24:54,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:24:54,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:24:54,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:24:54,109 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:24:54,110 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:24:54,110 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:24:54,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:24:54,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:24:54,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 17:24:54,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:24:54,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 17:24:54,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:24:54,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:24:54,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:24:54,111 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:24:54,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:24:54,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:24:54,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:24:54,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:24:54,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:24:54,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:24:54,113 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 17:24:54,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 17:24:54,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:24:54,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:24:54,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:24:54,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:24:54,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad [2024-11-10 17:24:54,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:24:54,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:24:54,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:24:54,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:24:54,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:24:54,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2024-11-10 17:24:55,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:24:56,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:24:56,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2024-11-10 17:24:56,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38198e9a8/797ee20097994d64a8f6d50cb5a2759e/FLAG7aac76ad3 [2024-11-10 17:24:56,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38198e9a8/797ee20097994d64a8f6d50cb5a2759e [2024-11-10 17:24:56,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:24:56,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:24:56,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:24:56,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:24:56,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:24:56,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:24:56" (1/1) ... [2024-11-10 17:24:56,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c0880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:56, skipping insertion in model container [2024-11-10 17:24:56,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:24:56" (1/1) ... [2024-11-10 17:24:56,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:24:56,793 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,843 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,850 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,857 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,865 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,931 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,934 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,947 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,969 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,969 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,972 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,972 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,974 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,976 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,977 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,982 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,982 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,988 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:56,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:24:57,015 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-10 17:24:57,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:24:57,057 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,071 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,073 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,075 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,082 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,106 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,108 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,117 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,130 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,149 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,149 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,150 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,155 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,156 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,156 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,157 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,158 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:24:57,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:24:57,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:24:57,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:24:57,294 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:24:57,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57 WrapperNode [2024-11-10 17:24:57,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:24:57,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:24:57,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:24:57,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:24:57,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,426 INFO L138 Inliner]: procedures = 180, calls = 426, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1561 [2024-11-10 17:24:57,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:24:57,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:24:57,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:24:57,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:24:57,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,592 INFO L175 MemorySlicer]: Split 397 memory accesses to 3 slices as follows [2, 371, 24]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 91 writes are split as follows [0, 90, 1]. [2024-11-10 17:24:57,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:24:57,689 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:24:57,690 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:24:57,690 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:24:57,691 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (1/1) ... [2024-11-10 17:24:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:24:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:24:57,724 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) [2024-11-10 17:24:57,730 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 [2024-11-10 17:24:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-10 17:24:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-10 17:24:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-10 17:24:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-10 17:24:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-10 17:24:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 17:24:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 17:24:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 17:24:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 17:24:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 17:24:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 17:24:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 17:24:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 17:24:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 17:24:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 17:24:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 17:24:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 17:24:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:24:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 17:24:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-10 17:24:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:24:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:24:58,059 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:24:58,061 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:25:03,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2024-11-10 17:25:03,206 INFO L? ?]: Removed 1704 outVars from TransFormulas that were not future-live. [2024-11-10 17:25:03,207 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:25:03,260 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:25:03,261 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:25:03,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:25:03 BoogieIcfgContainer [2024-11-10 17:25:03,262 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:25:03,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:25:03,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:25:03,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:25:03,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:24:56" (1/3) ... [2024-11-10 17:25:03,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7082fcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:25:03, skipping insertion in model container [2024-11-10 17:25:03,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:24:57" (2/3) ... [2024-11-10 17:25:03,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7082fcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:25:03, skipping insertion in model container [2024-11-10 17:25:03,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:25:03" (3/3) ... [2024-11-10 17:25:03,271 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-2.i [2024-11-10 17:25:03,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:25:03,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 817 error locations. [2024-11-10 17:25:03,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:25:03,386 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;@4faa0a99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:25:03,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 817 error locations. [2024-11-10 17:25:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 1680 states, 852 states have (on average 2.17018779342723) internal successors, (1849), 1670 states have internal predecessors, (1849), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 17:25:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 17:25:03,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:03,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 17:25:03,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr815REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:03,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:03,405 INFO L85 PathProgramCache]: Analyzing trace with hash 727975998, now seen corresponding path program 1 times [2024-11-10 17:25:03,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:03,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964914647] [2024-11-10 17:25:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:03,438 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 [2024-11-10 17:25:03,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:03,442 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) [2024-11-10 17:25:03,443 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 [2024-11-10 17:25:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:03,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 17:25:03,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:03,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:03,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:03,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964914647] [2024-11-10 17:25:03,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964914647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:03,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:03,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:25:03,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664192607] [2024-11-10 17:25:03,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:03,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 17:25:03,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:03,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 17:25:03,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 17:25:03,700 INFO L87 Difference]: Start difference. First operand has 1680 states, 852 states have (on average 2.17018779342723) internal successors, (1849), 1670 states have internal predecessors, (1849), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:03,803 INFO L93 Difference]: Finished difference Result 1658 states and 1751 transitions. [2024-11-10 17:25:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 17:25:03,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 17:25:03,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:03,828 INFO L225 Difference]: With dead ends: 1658 [2024-11-10 17:25:03,829 INFO L226 Difference]: Without dead ends: 1655 [2024-11-10 17:25:03,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 17:25:03,833 INFO L432 NwaCegarLoop]: 1751 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:03,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 17:25:03,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2024-11-10 17:25:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1655. [2024-11-10 17:25:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 839 states have (on average 2.054827175208582) internal successors, (1724), 1645 states have internal predecessors, (1724), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 1748 transitions. [2024-11-10 17:25:03,943 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 1748 transitions. Word has length 6 [2024-11-10 17:25:03,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:03,943 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 1748 transitions. [2024-11-10 17:25:03,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1748 transitions. [2024-11-10 17:25:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 17:25:03,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:03,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 17:25:03,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 17:25:04,145 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 [2024-11-10 17:25:04,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr815REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:04,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:04,146 INFO L85 PathProgramCache]: Analyzing trace with hash 727976029, now seen corresponding path program 1 times [2024-11-10 17:25:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:04,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989634515] [2024-11-10 17:25:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:04,147 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 [2024-11-10 17:25:04,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:04,151 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) [2024-11-10 17:25:04,152 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 [2024-11-10 17:25:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:04,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 17:25:04,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:04,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-10 17:25:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:04,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:04,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:04,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989634515] [2024-11-10 17:25:04,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989634515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:04,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:04,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:25:04,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707731153] [2024-11-10 17:25:04,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:04,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:25:04,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:04,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:25:04,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:04,420 INFO L87 Difference]: Start difference. First operand 1655 states and 1748 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:07,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:07,523 INFO L93 Difference]: Finished difference Result 2216 states and 2376 transitions. [2024-11-10 17:25:07,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:25:07,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 17:25:07,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:07,530 INFO L225 Difference]: With dead ends: 2216 [2024-11-10 17:25:07,530 INFO L226 Difference]: Without dead ends: 2216 [2024-11-10 17:25:07,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:07,532 INFO L432 NwaCegarLoop]: 1651 mSDtfsCounter, 786 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:07,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2392 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 17:25:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2024-11-10 17:25:07,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 1829. [2024-11-10 17:25:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1023 states have (on average 2.0205278592375366) internal successors, (2067), 1819 states have internal predecessors, (2067), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2091 transitions. [2024-11-10 17:25:07,577 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2091 transitions. Word has length 6 [2024-11-10 17:25:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:07,577 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2091 transitions. [2024-11-10 17:25:07,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2091 transitions. [2024-11-10 17:25:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 17:25:07,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:07,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 17:25:07,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-10 17:25:07,779 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 [2024-11-10 17:25:07,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr814REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash 727976028, now seen corresponding path program 1 times [2024-11-10 17:25:07,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:07,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422309706] [2024-11-10 17:25:07,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:07,781 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 [2024-11-10 17:25:07,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:07,784 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) [2024-11-10 17:25:07,785 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 [2024-11-10 17:25:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:07,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 17:25:07,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:07,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-10 17:25:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:07,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:07,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:07,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422309706] [2024-11-10 17:25:07,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422309706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:07,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:07,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:25:07,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020510662] [2024-11-10 17:25:07,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:07,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:25:07,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:07,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:25:07,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:07,927 INFO L87 Difference]: Start difference. First operand 1829 states and 2091 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:09,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:09,937 INFO L93 Difference]: Finished difference Result 1973 states and 2251 transitions. [2024-11-10 17:25:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:25:09,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 17:25:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:09,944 INFO L225 Difference]: With dead ends: 1973 [2024-11-10 17:25:09,945 INFO L226 Difference]: Without dead ends: 1973 [2024-11-10 17:25:09,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:09,946 INFO L432 NwaCegarLoop]: 1220 mSDtfsCounter, 1290 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:09,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 1515 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 17:25:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-11-10 17:25:09,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1737. [2024-11-10 17:25:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1023 states have (on average 1.9149560117302054) internal successors, (1959), 1727 states have internal predecessors, (1959), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 1983 transitions. [2024-11-10 17:25:09,979 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 1983 transitions. Word has length 6 [2024-11-10 17:25:09,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:09,979 INFO L471 AbstractCegarLoop]: Abstraction has 1737 states and 1983 transitions. [2024-11-10 17:25:09,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 1983 transitions. [2024-11-10 17:25:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 17:25:09,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:09,980 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:09,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-10 17:25:10,181 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 [2024-11-10 17:25:10,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr195REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:10,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:10,182 INFO L85 PathProgramCache]: Analyzing trace with hash -537281351, now seen corresponding path program 1 times [2024-11-10 17:25:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064421611] [2024-11-10 17:25:10,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:10,182 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 [2024-11-10 17:25:10,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:10,186 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) [2024-11-10 17:25:10,187 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 [2024-11-10 17:25:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:10,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 17:25:10,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:10,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:10,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:10,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064421611] [2024-11-10 17:25:10,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064421611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:10,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:10,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:10,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465644471] [2024-11-10 17:25:10,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:10,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:25:10,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:10,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:25:10,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:10,322 INFO L87 Difference]: Start difference. First operand 1737 states and 1983 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:10,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:10,475 INFO L93 Difference]: Finished difference Result 3247 states and 3728 transitions. [2024-11-10 17:25:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:25:10,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 17:25:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:10,492 INFO L225 Difference]: With dead ends: 3247 [2024-11-10 17:25:10,493 INFO L226 Difference]: Without dead ends: 3247 [2024-11-10 17:25:10,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:10,495 INFO L432 NwaCegarLoop]: 1859 mSDtfsCounter, 1382 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:10,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 3494 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 17:25:10,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2024-11-10 17:25:10,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 1741. [2024-11-10 17:25:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1027 states have (on average 1.9113924050632911) internal successors, (1963), 1731 states have internal predecessors, (1963), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 1987 transitions. [2024-11-10 17:25:10,551 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 1987 transitions. Word has length 8 [2024-11-10 17:25:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:10,551 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 1987 transitions. [2024-11-10 17:25:10,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 1987 transitions. [2024-11-10 17:25:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 17:25:10,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:10,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:10,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-10 17:25:10,761 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 [2024-11-10 17:25:10,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr811REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:10,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:10,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1776985654, now seen corresponding path program 1 times [2024-11-10 17:25:10,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:10,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829567442] [2024-11-10 17:25:10,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:10,764 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 [2024-11-10 17:25:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:10,769 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) [2024-11-10 17:25:10,770 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 [2024-11-10 17:25:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:10,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 17:25:10,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:10,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:10,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:10,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829567442] [2024-11-10 17:25:10,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829567442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:10,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:10,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:10,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746815558] [2024-11-10 17:25:10,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:10,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:25:10,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:10,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:25:10,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:10,948 INFO L87 Difference]: Start difference. First operand 1741 states and 1987 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:10,995 INFO L93 Difference]: Finished difference Result 1699 states and 1944 transitions. [2024-11-10 17:25:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:25:10,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-10 17:25:10,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:11,003 INFO L225 Difference]: With dead ends: 1699 [2024-11-10 17:25:11,003 INFO L226 Difference]: Without dead ends: 1699 [2024-11-10 17:25:11,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:11,005 INFO L432 NwaCegarLoop]: 1591 mSDtfsCounter, 71 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:11,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 3118 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 17:25:11,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-11-10 17:25:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1699. [2024-11-10 17:25:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1009 states have (on average 1.9028741328047571) internal successors, (1920), 1689 states have internal predecessors, (1920), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1944 transitions. [2024-11-10 17:25:11,043 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1944 transitions. Word has length 13 [2024-11-10 17:25:11,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:11,043 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 1944 transitions. [2024-11-10 17:25:11,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:25:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1944 transitions. [2024-11-10 17:25:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 17:25:11,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:11,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:11,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-10 17:25:11,245 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 [2024-11-10 17:25:11,246 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr786REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:11,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1713756157, now seen corresponding path program 1 times [2024-11-10 17:25:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9534770] [2024-11-10 17:25:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:11,248 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 [2024-11-10 17:25:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:11,250 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) [2024-11-10 17:25:11,252 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 [2024-11-10 17:25:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:11,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 17:25:11,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:11,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:11,434 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:11,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9534770] [2024-11-10 17:25:11,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9534770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:11,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:11,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:25:11,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461975610] [2024-11-10 17:25:11,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:11,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:11,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:11,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:11,436 INFO L87 Difference]: Start difference. First operand 1699 states and 1944 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-10 17:25:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:11,523 INFO L93 Difference]: Finished difference Result 1677 states and 1915 transitions. [2024-11-10 17:25:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:25:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-10 17:25:11,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:11,529 INFO L225 Difference]: With dead ends: 1677 [2024-11-10 17:25:11,529 INFO L226 Difference]: Without dead ends: 1677 [2024-11-10 17:25:11,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:11,530 INFO L432 NwaCegarLoop]: 1546 mSDtfsCounter, 48 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:11,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4611 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 17:25:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2024-11-10 17:25:11,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1677. [2024-11-10 17:25:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1001 states have (on average 1.8891108891108892) internal successors, (1891), 1667 states have internal predecessors, (1891), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 1915 transitions. [2024-11-10 17:25:11,558 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 1915 transitions. Word has length 15 [2024-11-10 17:25:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:11,559 INFO L471 AbstractCegarLoop]: Abstraction has 1677 states and 1915 transitions. [2024-11-10 17:25:11,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-10 17:25:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1915 transitions. [2024-11-10 17:25:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 17:25:11,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:11,560 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] [2024-11-10 17:25:11,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-10 17:25:11,760 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 [2024-11-10 17:25:11,761 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr773REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:11,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:11,762 INFO L85 PathProgramCache]: Analyzing trace with hash -272261196, now seen corresponding path program 1 times [2024-11-10 17:25:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:11,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452832177] [2024-11-10 17:25:11,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:11,763 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 [2024-11-10 17:25:11,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:11,766 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) [2024-11-10 17:25:11,767 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 [2024-11-10 17:25:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:11,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 17:25:11,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:11,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-10 17:25:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:12,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:12,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:12,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452832177] [2024-11-10 17:25:12,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452832177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:12,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:12,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:12,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917475765] [2024-11-10 17:25:12,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:12,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:12,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:12,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:12,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:12,137 INFO L87 Difference]: Start difference. First operand 1677 states and 1915 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 17:25:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:15,258 INFO L93 Difference]: Finished difference Result 2066 states and 2202 transitions. [2024-11-10 17:25:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:25:15,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2024-11-10 17:25:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:15,264 INFO L225 Difference]: With dead ends: 2066 [2024-11-10 17:25:15,264 INFO L226 Difference]: Without dead ends: 2066 [2024-11-10 17:25:15,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:15,265 INFO L432 NwaCegarLoop]: 1276 mSDtfsCounter, 723 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:15,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 2784 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 17:25:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2024-11-10 17:25:15,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1673. [2024-11-10 17:25:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1001 states have (on average 1.8851148851148851) internal successors, (1887), 1663 states have internal predecessors, (1887), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 1911 transitions. [2024-11-10 17:25:15,291 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 1911 transitions. Word has length 29 [2024-11-10 17:25:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:15,291 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 1911 transitions. [2024-11-10 17:25:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 17:25:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1911 transitions. [2024-11-10 17:25:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 17:25:15,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:15,292 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] [2024-11-10 17:25:15,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-10 17:25:15,492 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 [2024-11-10 17:25:15,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr772REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:15,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash -272261197, now seen corresponding path program 1 times [2024-11-10 17:25:15,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:15,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234524840] [2024-11-10 17:25:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:15,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 17:25:15,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:15,495 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) [2024-11-10 17:25:15,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-10 17:25:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:15,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 17:25:15,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:15,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-10 17:25:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:15,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:15,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:15,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234524840] [2024-11-10 17:25:15,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234524840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:15,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:15,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:15,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172766253] [2024-11-10 17:25:15,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:15,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:15,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:15,735 INFO L87 Difference]: Start difference. First operand 1673 states and 1911 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 17:25:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:17,851 INFO L93 Difference]: Finished difference Result 1673 states and 1911 transitions. [2024-11-10 17:25:17,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:25:17,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2024-11-10 17:25:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:17,857 INFO L225 Difference]: With dead ends: 1673 [2024-11-10 17:25:17,857 INFO L226 Difference]: Without dead ends: 1673 [2024-11-10 17:25:17,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:17,858 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 1223 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:17,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 1774 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 17:25:17,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2024-11-10 17:25:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1669. [2024-11-10 17:25:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1001 states have (on average 1.881118881118881) internal successors, (1883), 1659 states have internal predecessors, (1883), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 1907 transitions. [2024-11-10 17:25:17,884 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 1907 transitions. Word has length 29 [2024-11-10 17:25:17,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:17,884 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 1907 transitions. [2024-11-10 17:25:17,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 17:25:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1907 transitions. [2024-11-10 17:25:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 17:25:17,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:17,887 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] [2024-11-10 17:25:17,894 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 [2024-11-10 17:25:18,088 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 [2024-11-10 17:25:18,088 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr759REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:18,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:18,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1191535235, now seen corresponding path program 1 times [2024-11-10 17:25:18,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:18,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802260397] [2024-11-10 17:25:18,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:18,089 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 [2024-11-10 17:25:18,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:18,091 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) [2024-11-10 17:25:18,092 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 [2024-11-10 17:25:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:18,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 17:25:18,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:18,354 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:18,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802260397] [2024-11-10 17:25:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802260397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:18,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:18,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:25:18,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062726728] [2024-11-10 17:25:18,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:18,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:18,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:18,356 INFO L87 Difference]: Start difference. First operand 1669 states and 1907 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-10 17:25:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:18,417 INFO L93 Difference]: Finished difference Result 1663 states and 1897 transitions. [2024-11-10 17:25:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:25:18,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2024-11-10 17:25:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:18,422 INFO L225 Difference]: With dead ends: 1663 [2024-11-10 17:25:18,422 INFO L226 Difference]: Without dead ends: 1663 [2024-11-10 17:25:18,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:18,423 INFO L432 NwaCegarLoop]: 1540 mSDtfsCounter, 21 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:18,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4588 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 17:25:18,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2024-11-10 17:25:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2024-11-10 17:25:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 995 states have (on average 1.8824120603015075) internal successors, (1873), 1653 states have internal predecessors, (1873), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 1897 transitions. [2024-11-10 17:25:18,445 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 1897 transitions. Word has length 46 [2024-11-10 17:25:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:18,445 INFO L471 AbstractCegarLoop]: Abstraction has 1663 states and 1897 transitions. [2024-11-10 17:25:18,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-10 17:25:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1897 transitions. [2024-11-10 17:25:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 17:25:18,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:18,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:18,454 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 [2024-11-10 17:25:18,646 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 [2024-11-10 17:25:18,647 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr759REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:18,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:18,647 INFO L85 PathProgramCache]: Analyzing trace with hash 623515317, now seen corresponding path program 1 times [2024-11-10 17:25:18,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:18,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280193884] [2024-11-10 17:25:18,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:18,648 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 [2024-11-10 17:25:18,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:18,651 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) [2024-11-10 17:25:18,654 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 [2024-11-10 17:25:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:18,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 17:25:18,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:19,111 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:19,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:19,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280193884] [2024-11-10 17:25:19,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280193884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:19,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:19,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:19,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996211193] [2024-11-10 17:25:19,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:19,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:25:19,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:19,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:25:19,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:19,112 INFO L87 Difference]: Start difference. First operand 1663 states and 1897 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-10 17:25:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:19,284 INFO L93 Difference]: Finished difference Result 1889 states and 2152 transitions. [2024-11-10 17:25:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:25:19,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2024-11-10 17:25:19,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:19,289 INFO L225 Difference]: With dead ends: 1889 [2024-11-10 17:25:19,289 INFO L226 Difference]: Without dead ends: 1889 [2024-11-10 17:25:19,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:25:19,290 INFO L432 NwaCegarLoop]: 1629 mSDtfsCounter, 184 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:19,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 3119 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 17:25:19,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2024-11-10 17:25:19,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1712. [2024-11-10 17:25:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1044 states have (on average 1.8409961685823755) internal successors, (1922), 1702 states have internal predecessors, (1922), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 1946 transitions. [2024-11-10 17:25:19,314 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 1946 transitions. Word has length 54 [2024-11-10 17:25:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:19,314 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 1946 transitions. [2024-11-10 17:25:19,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-10 17:25:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 1946 transitions. [2024-11-10 17:25:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 17:25:19,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:19,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:19,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-10 17:25:19,516 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 [2024-11-10 17:25:19,516 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr729REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:19,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:19,517 INFO L85 PathProgramCache]: Analyzing trace with hash -589481418, now seen corresponding path program 1 times [2024-11-10 17:25:19,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:19,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786035224] [2024-11-10 17:25:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:19,518 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 [2024-11-10 17:25:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:19,521 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) [2024-11-10 17:25:19,522 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 [2024-11-10 17:25:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:19,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 17:25:19,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:19,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-10 17:25:19,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-10 17:25:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 17:25:20,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-10 17:25:20,382 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-10 17:25:20,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-10 17:25:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:20,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:20,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:20,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786035224] [2024-11-10 17:25:20,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786035224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:20,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:20,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:25:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135682721] [2024-11-10 17:25:20,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:20,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:20,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:20,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:20,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:20,404 INFO L87 Difference]: Start difference. First operand 1712 states and 1946 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-10 17:25:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:22,360 INFO L93 Difference]: Finished difference Result 1628 states and 1862 transitions. [2024-11-10 17:25:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:25:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2024-11-10 17:25:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:22,365 INFO L225 Difference]: With dead ends: 1628 [2024-11-10 17:25:22,365 INFO L226 Difference]: Without dead ends: 1628 [2024-11-10 17:25:22,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:22,366 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 2304 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2315 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:22,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2315 Valid, 796 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 17:25:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2024-11-10 17:25:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1444. [2024-11-10 17:25:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 860 states have (on average 1.7453488372093022) internal successors, (1501), 1434 states have internal predecessors, (1501), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1525 transitions. [2024-11-10 17:25:22,384 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1525 transitions. Word has length 57 [2024-11-10 17:25:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:22,385 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1525 transitions. [2024-11-10 17:25:22,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-10 17:25:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1525 transitions. [2024-11-10 17:25:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 17:25:22,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:22,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:22,395 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 [2024-11-10 17:25:22,586 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 [2024-11-10 17:25:22,587 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr722REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:22,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1428578879, now seen corresponding path program 1 times [2024-11-10 17:25:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:22,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727708421] [2024-11-10 17:25:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:22,588 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 [2024-11-10 17:25:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:22,589 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) [2024-11-10 17:25:22,590 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 [2024-11-10 17:25:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:22,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 17:25:22,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:22,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-10 17:25:22,828 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 19 treesize of output 1 [2024-11-10 17:25:22,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 17:25:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:22,860 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:22,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727708421] [2024-11-10 17:25:22,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727708421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:22,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:22,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:25:22,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039006174] [2024-11-10 17:25:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:22,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:25:22,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:22,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:25:22,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:22,862 INFO L87 Difference]: Start difference. First operand 1444 states and 1525 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-11-10 17:25:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:25,145 INFO L93 Difference]: Finished difference Result 1443 states and 1524 transitions. [2024-11-10 17:25:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:25:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2024-11-10 17:25:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:25,149 INFO L225 Difference]: With dead ends: 1443 [2024-11-10 17:25:25,149 INFO L226 Difference]: Without dead ends: 1443 [2024-11-10 17:25:25,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:25:25,150 INFO L432 NwaCegarLoop]: 1467 mSDtfsCounter, 2 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:25,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3825 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 17:25:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-11-10 17:25:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1443. [2024-11-10 17:25:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 860 states have (on average 1.744186046511628) internal successors, (1500), 1433 states have internal predecessors, (1500), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1524 transitions. [2024-11-10 17:25:25,166 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1524 transitions. Word has length 62 [2024-11-10 17:25:25,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:25,167 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1524 transitions. [2024-11-10 17:25:25,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-11-10 17:25:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1524 transitions. [2024-11-10 17:25:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 17:25:25,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:25,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:25,175 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 (13)] Forceful destruction successful, exit code 0 [2024-11-10 17:25:25,368 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 [2024-11-10 17:25:25,368 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr723REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:25,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1428578880, now seen corresponding path program 1 times [2024-11-10 17:25:25,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:25,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103115489] [2024-11-10 17:25:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:25,369 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 [2024-11-10 17:25:25,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:25,372 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) [2024-11-10 17:25:25,374 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 [2024-11-10 17:25:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:25,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 17:25:25,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:25,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-10 17:25:25,674 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 19 treesize of output 1 [2024-11-10 17:25:25,682 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 13 treesize of output 9 [2024-11-10 17:25:25,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-10 17:25:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:25,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:25,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:25,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103115489] [2024-11-10 17:25:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103115489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:25,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:25:25,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360931513] [2024-11-10 17:25:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:25,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:25:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:25,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:25:25,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:25:25,737 INFO L87 Difference]: Start difference. First operand 1443 states and 1524 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-11-10 17:25:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:28,435 INFO L93 Difference]: Finished difference Result 1442 states and 1523 transitions. [2024-11-10 17:25:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:25:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2024-11-10 17:25:28,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:28,439 INFO L225 Difference]: With dead ends: 1442 [2024-11-10 17:25:28,439 INFO L226 Difference]: Without dead ends: 1442 [2024-11-10 17:25:28,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:25:28,440 INFO L432 NwaCegarLoop]: 1467 mSDtfsCounter, 1 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:28,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3877 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 17:25:28,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-10 17:25:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1442. [2024-11-10 17:25:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 859 states have (on average 1.7450523864959255) internal successors, (1499), 1432 states have internal predecessors, (1499), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 17:25:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1523 transitions. [2024-11-10 17:25:28,455 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1523 transitions. Word has length 62 [2024-11-10 17:25:28,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:28,455 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1523 transitions. [2024-11-10 17:25:28,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-11-10 17:25:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1523 transitions. [2024-11-10 17:25:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 17:25:28,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:28,456 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:28,465 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 [2024-11-10 17:25:28,657 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 [2024-11-10 17:25:28,657 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:28,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1294336380, now seen corresponding path program 1 times [2024-11-10 17:25:28,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:28,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625774347] [2024-11-10 17:25:28,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:28,659 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 [2024-11-10 17:25:28,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:28,663 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) [2024-11-10 17:25:28,664 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 [2024-11-10 17:25:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:28,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 17:25:28,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:28,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 17:25:28,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:28,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625774347] [2024-11-10 17:25:28,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625774347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:25:28,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:25:28,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:25:28,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087333496] [2024-11-10 17:25:28,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:25:28,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:25:28,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:28,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:25:28,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:28,942 INFO L87 Difference]: Start difference. First operand 1442 states and 1523 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:25:28,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:28,996 INFO L93 Difference]: Finished difference Result 1445 states and 1528 transitions. [2024-11-10 17:25:28,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:25:28,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-10 17:25:28,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:29,001 INFO L225 Difference]: With dead ends: 1445 [2024-11-10 17:25:29,002 INFO L226 Difference]: Without dead ends: 1445 [2024-11-10 17:25:29,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:25:29,002 INFO L432 NwaCegarLoop]: 1466 mSDtfsCounter, 0 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4390 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:29,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4390 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 17:25:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-11-10 17:25:29,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2024-11-10 17:25:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 861 states have (on average 1.7444831591173056) internal successors, (1502), 1435 states have internal predecessors, (1502), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-10 17:25:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1528 transitions. [2024-11-10 17:25:29,023 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1528 transitions. Word has length 70 [2024-11-10 17:25:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:29,023 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 1528 transitions. [2024-11-10 17:25:29,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:25:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1528 transitions. [2024-11-10 17:25:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 17:25:29,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:29,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:29,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-10 17:25:29,229 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 [2024-11-10 17:25:29,230 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:29,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1253111119, now seen corresponding path program 1 times [2024-11-10 17:25:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:29,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143339440] [2024-11-10 17:25:29,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:25:29,230 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 [2024-11-10 17:25:29,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:29,232 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) [2024-11-10 17:25:29,232 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 [2024-11-10 17:25:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:25:29,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 17:25:29,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:29,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 17:25:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:29,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:29,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143339440] [2024-11-10 17:25:29,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143339440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 17:25:29,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 17:25:29,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-10 17:25:29,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310323811] [2024-11-10 17:25:29,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 17:25:29,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 17:25:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:29,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 17:25:29,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 17:25:29,590 INFO L87 Difference]: Start difference. First operand 1445 states and 1528 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:29,721 INFO L93 Difference]: Finished difference Result 1457 states and 1546 transitions. [2024-11-10 17:25:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 17:25:29,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 71 [2024-11-10 17:25:29,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:29,726 INFO L225 Difference]: With dead ends: 1457 [2024-11-10 17:25:29,726 INFO L226 Difference]: Without dead ends: 1457 [2024-11-10 17:25:29,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-10 17:25:29,727 INFO L432 NwaCegarLoop]: 1465 mSDtfsCounter, 6 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4390 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:29,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4390 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 17:25:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-10 17:25:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1455. [2024-11-10 17:25:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 870 states have (on average 1.7436781609195402) internal successors, (1517), 1444 states have internal predecessors, (1517), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-10 17:25:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1543 transitions. [2024-11-10 17:25:29,743 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1543 transitions. Word has length 71 [2024-11-10 17:25:29,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:29,744 INFO L471 AbstractCegarLoop]: Abstraction has 1455 states and 1543 transitions. [2024-11-10 17:25:29,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1543 transitions. [2024-11-10 17:25:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 17:25:29,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:29,744 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:29,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-10 17:25:29,945 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 [2024-11-10 17:25:29,945 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:29,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1816582468, now seen corresponding path program 2 times [2024-11-10 17:25:29,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:29,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332982193] [2024-11-10 17:25:29,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 17:25:29,947 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 [2024-11-10 17:25:29,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:29,950 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) [2024-11-10 17:25:29,951 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 [2024-11-10 17:25:30,375 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 17:25:30,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 17:25:30,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 17:25:30,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:30,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 17:25:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:30,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:30,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332982193] [2024-11-10 17:25:30,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332982193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 17:25:30,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 17:25:30,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-10 17:25:30,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236226148] [2024-11-10 17:25:30,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 17:25:30,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 17:25:30,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:30,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 17:25:30,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-10 17:25:30,601 INFO L87 Difference]: Start difference. First operand 1455 states and 1543 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:30,995 INFO L93 Difference]: Finished difference Result 1470 states and 1566 transitions. [2024-11-10 17:25:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 17:25:30,996 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2024-11-10 17:25:30,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:30,999 INFO L225 Difference]: With dead ends: 1470 [2024-11-10 17:25:31,000 INFO L226 Difference]: Without dead ends: 1466 [2024-11-10 17:25:31,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-10 17:25:31,001 INFO L432 NwaCegarLoop]: 1465 mSDtfsCounter, 9 mSDsluCounter, 7308 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8773 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:31,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8773 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 17:25:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2024-11-10 17:25:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1464. [2024-11-10 17:25:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 879 states have (on average 1.739476678043231) internal successors, (1529), 1453 states have internal predecessors, (1529), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-10 17:25:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1555 transitions. [2024-11-10 17:25:31,033 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1555 transitions. Word has length 74 [2024-11-10 17:25:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:31,033 INFO L471 AbstractCegarLoop]: Abstraction has 1464 states and 1555 transitions. [2024-11-10 17:25:31,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1555 transitions. [2024-11-10 17:25:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 17:25:31,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:31,034 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:31,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-10 17:25:31,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 17:25:31,235 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:31,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:31,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1927794020, now seen corresponding path program 3 times [2024-11-10 17:25:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:31,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433635523] [2024-11-10 17:25:31,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 17:25:31,236 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 [2024-11-10 17:25:31,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:31,237 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 17:25:31,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-10 17:25:31,841 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-10 17:25:31,841 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 17:25:31,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 17:25:31,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:31,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 17:25:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:32,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:32,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433635523] [2024-11-10 17:25:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433635523] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 17:25:32,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 17:25:32,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-10 17:25:32,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078619514] [2024-11-10 17:25:32,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 17:25:32,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-10 17:25:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:32,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-10 17:25:32,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-10 17:25:32,431 INFO L87 Difference]: Start difference. First operand 1464 states and 1555 transitions. Second operand has 26 states, 26 states have (on average 3.5) internal successors, (91), 26 states have internal predecessors, (91), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:33,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:33,798 INFO L93 Difference]: Finished difference Result 1488 states and 1594 transitions. [2024-11-10 17:25:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-10 17:25:33,799 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.5) internal successors, (91), 26 states have internal predecessors, (91), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2024-11-10 17:25:33,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:33,807 INFO L225 Difference]: With dead ends: 1488 [2024-11-10 17:25:33,807 INFO L226 Difference]: Without dead ends: 1482 [2024-11-10 17:25:33,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-10 17:25:33,808 INFO L432 NwaCegarLoop]: 1466 mSDtfsCounter, 25 mSDsluCounter, 16081 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 17547 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:33,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 17547 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 17:25:33,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2024-11-10 17:25:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1482. [2024-11-10 17:25:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 897 states have (on average 1.730211817168339) internal successors, (1552), 1471 states have internal predecessors, (1552), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-10 17:25:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1578 transitions. [2024-11-10 17:25:33,826 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1578 transitions. Word has length 80 [2024-11-10 17:25:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:33,826 INFO L471 AbstractCegarLoop]: Abstraction has 1482 states and 1578 transitions. [2024-11-10 17:25:33,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.5) internal successors, (91), 26 states have internal predecessors, (91), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1578 transitions. [2024-11-10 17:25:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 17:25:33,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:33,827 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:33,837 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 (18)] Ended with exit code 0 [2024-11-10 17:25:34,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 17:25:34,028 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:34,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash 671289948, now seen corresponding path program 4 times [2024-11-10 17:25:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:34,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906294933] [2024-11-10 17:25:34,029 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 17:25:34,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 17:25:34,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:34,031 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-11-10 17:25:34,032 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 (19)] Waiting until timeout for monitored process [2024-11-10 17:25:34,443 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 17:25:34,443 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 17:25:34,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 17:25:34,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:34,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 17:25:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:25:35,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:35,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906294933] [2024-11-10 17:25:35,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906294933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 17:25:35,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 17:25:35,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-10 17:25:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511766942] [2024-11-10 17:25:35,957 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 17:25:35,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-10 17:25:35,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 17:25:35,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-10 17:25:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-10 17:25:35,961 INFO L87 Difference]: Start difference. First operand 1482 states and 1578 transitions. Second operand has 50 states, 50 states have (on average 2.3) internal successors, (115), 50 states have internal predecessors, (115), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:25:40,341 INFO L93 Difference]: Finished difference Result 1522 states and 1651 transitions. [2024-11-10 17:25:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-10 17:25:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.3) internal successors, (115), 50 states have internal predecessors, (115), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 92 [2024-11-10 17:25:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:25:40,344 INFO L225 Difference]: With dead ends: 1522 [2024-11-10 17:25:40,344 INFO L226 Difference]: Without dead ends: 1518 [2024-11-10 17:25:40,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-10 17:25:40,347 INFO L432 NwaCegarLoop]: 1465 mSDtfsCounter, 40 mSDsluCounter, 33607 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 35072 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 17:25:40,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 35072 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 17:25:40,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2024-11-10 17:25:40,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1516. [2024-11-10 17:25:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 931 states have (on average 1.7164339419978518) internal successors, (1598), 1505 states have internal predecessors, (1598), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-10 17:25:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1624 transitions. [2024-11-10 17:25:40,364 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1624 transitions. Word has length 92 [2024-11-10 17:25:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:25:40,365 INFO L471 AbstractCegarLoop]: Abstraction has 1516 states and 1624 transitions. [2024-11-10 17:25:40,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.3) internal successors, (115), 50 states have internal predecessors, (115), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 17:25:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1624 transitions. [2024-11-10 17:25:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 17:25:40,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:25:40,366 INFO L215 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:25:40,379 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 (19)] Ended with exit code 0 [2024-11-10 17:25:40,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 17:25:40,567 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr718REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-10 17:25:40,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:25:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash -736478404, now seen corresponding path program 5 times [2024-11-10 17:25:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 17:25:40,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767983509] [2024-11-10 17:25:40,568 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 17:25:40,568 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 [2024-11-10 17:25:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 17:25:40,569 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-11-10 17:25:40,577 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 (20)] Waiting until timeout for monitored process [2024-11-10 17:25:41,644 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-10 17:25:41,644 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 17:25:41,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-10 17:25:41,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 17:25:41,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-10 17:25:41,755 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-10 17:25:41,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-10 17:25:41,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-10 17:25:41,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-10 17:25:42,770 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-10 17:25:42,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2024-11-10 17:25:42,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-10 17:25:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 17:25:42,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 17:25:43,149 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1686 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_#t~mem32#1.base| v_ArrVal_1686) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) is different from false [2024-11-10 17:25:43,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 17:25:43,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767983509] [2024-11-10 17:25:43,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767983509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 17:25:43,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [834698554] [2024-11-10 17:25:43,151 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 17:25:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-10 17:25:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-10 17:25:43,153 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-10 17:25:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process