./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc 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_test7-2.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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 08:59:04,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 08:59:04,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 08:59:04,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 08:59:04,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 08:59:04,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 08:59:04,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 08:59:04,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 08:59:04,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 08:59:04,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 08:59:04,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 08:59:04,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 08:59:04,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 08:59:04,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 08:59:04,840 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 08:59:04,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 08:59:04,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 08:59:04,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 08:59:04,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 08:59:04,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 08:59:04,841 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 08:59:04,842 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 08:59:04,842 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 08:59:04,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 08:59:04,843 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 08:59:04,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 08:59:04,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 08:59:04,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 08:59:04,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 08:59:04,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 08:59:04,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 08:59:04,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 08:59:04,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 08:59:04,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 08:59:04,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 08:59:04,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 08:59:04,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 08:59:04,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 08:59:04,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 08:59:04,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 08:59:04,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 08:59:04,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 08:59:04,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2024-11-19 08:59:05,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 08:59:05,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 08:59:05,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 08:59:05,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 08:59:05,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 08:59:05,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2024-11-19 08:59:06,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 08:59:07,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 08:59:07,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2024-11-19 08:59:07,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f439ea508/f502c92629ef4f4e8abd94690ab490ff/FLAG3f68baba1 [2024-11-19 08:59:07,465 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f439ea508/f502c92629ef4f4e8abd94690ab490ff [2024-11-19 08:59:07,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 08:59:07,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 08:59:07,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 08:59:07,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 08:59:07,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 08:59:07,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:07" (1/1) ... [2024-11-19 08:59:07,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7295190d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:07, skipping insertion in model container [2024-11-19 08:59:07,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:07" (1/1) ... [2024-11-19 08:59:07,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 08:59:08,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,269 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,298 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,300 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,300 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,302 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,304 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,305 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,305 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,308 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,309 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,313 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,314 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,315 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,317 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:08,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:59:08,338 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) [2024-11-19 08:59:08,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dde5408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:08, skipping insertion in model container [2024-11-19 08:59:08,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 08:59:08,339 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-19 08:59:08,341 INFO L158 Benchmark]: Toolchain (without parser) took 866.65ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 90.0MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 08:59:08,341 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 08:59:08,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.18ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 90.0MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 08:59:08,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.18ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 90.0MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 727]: 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_test7-2.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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 08:59:10,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 08:59:10,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-19 08:59:10,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 08:59:10,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 08:59:10,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 08:59:10,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 08:59:10,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 08:59:10,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 08:59:10,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 08:59:10,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 08:59:10,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 08:59:10,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 08:59:10,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 08:59:10,277 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 08:59:10,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 08:59:10,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 08:59:10,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 08:59:10,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 08:59:10,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 08:59:10,278 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 08:59:10,279 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 08:59:10,279 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 08:59:10,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 08:59:10,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 08:59:10,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 08:59:10,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 08:59:10,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 08:59:10,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 08:59:10,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 08:59:10,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 08:59:10,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 08:59:10,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 08:59:10,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 08:59:10,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 08:59:10,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 08:59:10,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 08:59:10,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 08:59:10,285 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 08:59:10,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 08:59:10,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 08:59:10,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 08:59:10,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 08:59:10,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 08:59:10,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2024-11-19 08:59:10,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 08:59:10,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 08:59:10,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 08:59:10,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 08:59:10,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 08:59:10,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2024-11-19 08:59:12,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 08:59:12,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 08:59:12,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2024-11-19 08:59:12,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c5be01e/f6de1e0a2039432a85a34393249c32ac/FLAGc296d8831 [2024-11-19 08:59:12,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c5be01e/f6de1e0a2039432a85a34393249c32ac [2024-11-19 08:59:12,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 08:59:12,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 08:59:12,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 08:59:12,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 08:59:12,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 08:59:12,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:12" (1/1) ... [2024-11-19 08:59:12,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489e3005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:12, skipping insertion in model container [2024-11-19 08:59:12,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:12" (1/1) ... [2024-11-19 08:59:12,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 08:59:13,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,142 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,146 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,151 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,157 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,202 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,203 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,210 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,221 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,225 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,226 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:59:13,263 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-19 08:59:13,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 08:59:13,303 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,315 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,317 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,320 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,324 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,366 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,366 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,374 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,374 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,388 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:59:13,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:59:13,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 08:59:13,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:59:13,566 INFO L204 MainTranslator]: Completed translation [2024-11-19 08:59:13,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13 WrapperNode [2024-11-19 08:59:13,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 08:59:13,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 08:59:13,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 08:59:13,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 08:59:13,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,665 INFO L138 Inliner]: procedures = 179, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1204 [2024-11-19 08:59:13,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 08:59:13,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 08:59:13,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 08:59:13,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 08:59:13,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,841 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-19 08:59:13,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 08:59:13,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 08:59:13,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 08:59:13,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 08:59:13,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (1/1) ... [2024-11-19 08:59:13,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 08:59:13,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 08:59:13,989 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) [2024-11-19 08:59:13,992 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 [2024-11-19 08:59:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 08:59:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 08:59:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 08:59:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 08:59:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 08:59:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 08:59:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 08:59:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 08:59:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 08:59:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 08:59:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 08:59:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 08:59:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 08:59:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 08:59:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 08:59:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 08:59:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 08:59:14,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 08:59:14,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 08:59:14,342 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 08:59:14,379 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 08:59:14,402 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 08:59:18,010 INFO L? ?]: Removed 1295 outVars from TransFormulas that were not future-live. [2024-11-19 08:59:18,011 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 08:59:18,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 08:59:18,049 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-19 08:59:18,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:18 BoogieIcfgContainer [2024-11-19 08:59:18,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 08:59:18,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 08:59:18,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 08:59:18,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 08:59:18,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:59:12" (1/3) ... [2024-11-19 08:59:18,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd23109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:18, skipping insertion in model container [2024-11-19 08:59:18,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:13" (2/3) ... [2024-11-19 08:59:18,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd23109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:18, skipping insertion in model container [2024-11-19 08:59:18,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:18" (3/3) ... [2024-11-19 08:59:18,060 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-2.i [2024-11-19 08:59:18,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 08:59:18,081 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 628 error locations. [2024-11-19 08:59:18,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 08:59:18,162 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;@599d02e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 08:59:18,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 628 error locations. [2024-11-19 08:59:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 1253 states, 620 states have (on average 2.238709677419355) internal successors, (1388), 1246 states have internal predecessors, (1388), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 08:59:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 08:59:18,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:18,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 08:59:18,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:18,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 65605, now seen corresponding path program 1 times [2024-11-19 08:59:18,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:18,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538858580] [2024-11-19 08:59:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:18,193 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 [2024-11-19 08:59:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:18,196 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) [2024-11-19 08:59:18,197 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 [2024-11-19 08:59:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:18,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:18,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:18,369 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 [2024-11-19 08:59:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:18,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:18,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:18,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538858580] [2024-11-19 08:59:18,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538858580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:18,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:18,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 08:59:18,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583511269] [2024-11-19 08:59:18,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:18,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:18,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:18,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:18,445 INFO L87 Difference]: Start difference. First operand has 1253 states, 620 states have (on average 2.238709677419355) internal successors, (1388), 1246 states have internal predecessors, (1388), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:20,121 INFO L93 Difference]: Finished difference Result 1423 states and 1499 transitions. [2024-11-19 08:59:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:20,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-19 08:59:20,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:20,138 INFO L225 Difference]: With dead ends: 1423 [2024-11-19 08:59:20,139 INFO L226 Difference]: Without dead ends: 1421 [2024-11-19 08:59:20,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:20,142 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 1150 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:20,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 908 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 08:59:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-19 08:59:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1234. [2024-11-19 08:59:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 620 states have (on average 2.085483870967742) internal successors, (1293), 1228 states have internal predecessors, (1293), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1301 transitions. [2024-11-19 08:59:20,218 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1301 transitions. Word has length 3 [2024-11-19 08:59:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:20,219 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1301 transitions. [2024-11-19 08:59:20,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1301 transitions. [2024-11-19 08:59:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 08:59:20,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:20,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 08:59:20,225 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 [2024-11-19 08:59:20,421 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 [2024-11-19 08:59:20,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:20,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash 65606, now seen corresponding path program 1 times [2024-11-19 08:59:20,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:20,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476684333] [2024-11-19 08:59:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:20,423 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 [2024-11-19 08:59:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:20,425 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) [2024-11-19 08:59:20,428 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 [2024-11-19 08:59:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:20,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 08:59:20,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:20,576 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 [2024-11-19 08:59:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:20,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:20,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:20,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476684333] [2024-11-19 08:59:20,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476684333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:20,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:20,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 08:59:20,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356544637] [2024-11-19 08:59:20,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:20,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:20,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:20,605 INFO L87 Difference]: Start difference. First operand 1234 states and 1301 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:23,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:23,105 INFO L93 Difference]: Finished difference Result 1832 states and 1942 transitions. [2024-11-19 08:59:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:23,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-19 08:59:23,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:23,117 INFO L225 Difference]: With dead ends: 1832 [2024-11-19 08:59:23,121 INFO L226 Difference]: Without dead ends: 1832 [2024-11-19 08:59:23,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:23,123 INFO L432 NwaCegarLoop]: 1009 mSDtfsCounter, 638 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:23,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1692 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 08:59:23,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-19 08:59:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1443. [2024-11-19 08:59:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 830 states have (on average 2.067469879518072) internal successors, (1716), 1437 states have internal predecessors, (1716), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1724 transitions. [2024-11-19 08:59:23,202 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1724 transitions. Word has length 3 [2024-11-19 08:59:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:23,203 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1724 transitions. [2024-11-19 08:59:23,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1724 transitions. [2024-11-19 08:59:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 08:59:23,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:23,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:23,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 08:59:23,404 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 [2024-11-19 08:59:23,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:23,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash 458521935, now seen corresponding path program 1 times [2024-11-19 08:59:23,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:23,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435676755] [2024-11-19 08:59:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:23,408 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 [2024-11-19 08:59:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:23,411 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) [2024-11-19 08:59:23,412 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 [2024-11-19 08:59:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:23,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 08:59:23,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:23,564 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 [2024-11-19 08:59:23,569 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 [2024-11-19 08:59:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 08:59:23,627 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 [2024-11-19 08:59:23,644 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-19 08:59:23,645 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 [2024-11-19 08:59:23,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:23,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:23,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:23,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435676755] [2024-11-19 08:59:23,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435676755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:23,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:23,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:23,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288957876] [2024-11-19 08:59:23,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:23,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:23,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:23,669 INFO L87 Difference]: Start difference. First operand 1443 states and 1724 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-19 08:59:26,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:26,234 INFO L93 Difference]: Finished difference Result 1624 states and 1916 transitions. [2024-11-19 08:59:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-19 08:59:26,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:26,239 INFO L225 Difference]: With dead ends: 1624 [2024-11-19 08:59:26,239 INFO L226 Difference]: Without dead ends: 1624 [2024-11-19 08:59:26,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:26,240 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 2587 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:26,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 523 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 08:59:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2024-11-19 08:59:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1222. [2024-11-19 08:59:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 620 states have (on average 2.064516129032258) internal successors, (1280), 1216 states have internal predecessors, (1280), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1288 transitions. [2024-11-19 08:59:26,258 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1288 transitions. Word has length 7 [2024-11-19 08:59:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:26,258 INFO L471 AbstractCegarLoop]: Abstraction has 1222 states and 1288 transitions. [2024-11-19 08:59:26,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-19 08:59:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1288 transitions. [2024-11-19 08:59:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 08:59:26,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:26,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:26,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-19 08:59:26,462 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 [2024-11-19 08:59:26,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:26,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1329278099, now seen corresponding path program 1 times [2024-11-19 08:59:26,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:26,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106359361] [2024-11-19 08:59:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:26,463 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 [2024-11-19 08:59:26,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:26,470 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) [2024-11-19 08:59:26,472 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 [2024-11-19 08:59:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:26,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 08:59:26,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:26,591 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 [2024-11-19 08:59:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:26,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:26,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:26,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106359361] [2024-11-19 08:59:26,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106359361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:26,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:26,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 08:59:26,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728285863] [2024-11-19 08:59:26,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:26,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:26,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:26,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:26,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:26,616 INFO L87 Difference]: Start difference. First operand 1222 states and 1288 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:28,889 INFO L93 Difference]: Finished difference Result 1694 states and 1797 transitions. [2024-11-19 08:59:28,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:28,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 08:59:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:28,894 INFO L225 Difference]: With dead ends: 1694 [2024-11-19 08:59:28,894 INFO L226 Difference]: Without dead ends: 1694 [2024-11-19 08:59:28,894 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 [2024-11-19 08:59:28,894 INFO L432 NwaCegarLoop]: 1376 mSDtfsCounter, 692 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:28,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1899 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 08:59:28,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-19 08:59:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1249. [2024-11-19 08:59:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 657 states have (on average 2.051750380517504) internal successors, (1348), 1243 states have internal predecessors, (1348), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1356 transitions. [2024-11-19 08:59:28,916 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1356 transitions. Word has length 8 [2024-11-19 08:59:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:28,917 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1356 transitions. [2024-11-19 08:59:28,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1356 transitions. [2024-11-19 08:59:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 08:59:28,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:28,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:28,922 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 [2024-11-19 08:59:29,121 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 [2024-11-19 08:59:29,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:29,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:29,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1329278098, now seen corresponding path program 1 times [2024-11-19 08:59:29,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:29,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745958940] [2024-11-19 08:59:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:29,123 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 [2024-11-19 08:59:29,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:29,125 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) [2024-11-19 08:59:29,126 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 [2024-11-19 08:59:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:29,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:29,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:29,227 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 [2024-11-19 08:59:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:29,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:29,235 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:29,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745958940] [2024-11-19 08:59:29,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745958940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:29,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 08:59:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68418634] [2024-11-19 08:59:29,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:29,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:29,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:29,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:29,237 INFO L87 Difference]: Start difference. First operand 1249 states and 1356 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:30,737 INFO L93 Difference]: Finished difference Result 1584 states and 1717 transitions. [2024-11-19 08:59:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:30,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 08:59:30,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:30,746 INFO L225 Difference]: With dead ends: 1584 [2024-11-19 08:59:30,746 INFO L226 Difference]: Without dead ends: 1584 [2024-11-19 08:59:30,746 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 [2024-11-19 08:59:30,747 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 925 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:30,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1498 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 08:59:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-19 08:59:30,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1202. [2024-11-19 08:59:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 657 states have (on average 1.974124809741248) internal successors, (1297), 1196 states have internal predecessors, (1297), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1305 transitions. [2024-11-19 08:59:30,791 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1305 transitions. Word has length 8 [2024-11-19 08:59:30,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:30,791 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1305 transitions. [2024-11-19 08:59:30,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1305 transitions. [2024-11-19 08:59:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 08:59:30,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:30,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:30,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-19 08:59:30,997 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 [2024-11-19 08:59:30,998 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:30,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:30,999 INFO L85 PathProgramCache]: Analyzing trace with hash 422488225, now seen corresponding path program 1 times [2024-11-19 08:59:30,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:30,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025688146] [2024-11-19 08:59:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:30,999 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 [2024-11-19 08:59:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:31,002 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) [2024-11-19 08:59:31,003 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 [2024-11-19 08:59:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:31,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 08:59:31,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:31,309 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:31,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:31,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025688146] [2024-11-19 08:59:31,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025688146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:31,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:31,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:31,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374238778] [2024-11-19 08:59:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:31,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:31,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:31,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:31,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:31,311 INFO L87 Difference]: Start difference. First operand 1202 states and 1305 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:32,066 INFO L93 Difference]: Finished difference Result 1803 states and 1990 transitions. [2024-11-19 08:59:32,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:32,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 08:59:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:32,071 INFO L225 Difference]: With dead ends: 1803 [2024-11-19 08:59:32,075 INFO L226 Difference]: Without dead ends: 1803 [2024-11-19 08:59:32,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:32,076 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 636 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:32,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 3719 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 08:59:32,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2024-11-19 08:59:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1452. [2024-11-19 08:59:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 907 states have (on average 1.9426681367144432) internal successors, (1762), 1446 states have internal predecessors, (1762), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1770 transitions. [2024-11-19 08:59:32,100 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1770 transitions. Word has length 13 [2024-11-19 08:59:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:32,101 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1770 transitions. [2024-11-19 08:59:32,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1770 transitions. [2024-11-19 08:59:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 08:59:32,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:32,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:32,109 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 [2024-11-19 08:59:32,302 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 [2024-11-19 08:59:32,303 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr330REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:32,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:32,303 INFO L85 PathProgramCache]: Analyzing trace with hash -170511720, now seen corresponding path program 1 times [2024-11-19 08:59:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:32,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139538411] [2024-11-19 08:59:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:32,304 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 [2024-11-19 08:59:32,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:32,309 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) [2024-11-19 08:59:32,311 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 [2024-11-19 08:59:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:32,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 08:59:32,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:32,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:32,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:32,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139538411] [2024-11-19 08:59:32,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139538411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:32,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:32,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:32,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618795686] [2024-11-19 08:59:32,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:32,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:32,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:32,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:32,440 INFO L87 Difference]: Start difference. First operand 1452 states and 1770 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) [2024-11-19 08:59:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:32,463 INFO L93 Difference]: Finished difference Result 1392 states and 1684 transitions. [2024-11-19 08:59:32,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:32,463 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 [2024-11-19 08:59:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:32,467 INFO L225 Difference]: With dead ends: 1392 [2024-11-19 08:59:32,467 INFO L226 Difference]: Without dead ends: 1392 [2024-11-19 08:59:32,467 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 [2024-11-19 08:59:32,468 INFO L432 NwaCegarLoop]: 1168 mSDtfsCounter, 71 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2273 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 [2024-11-19 08:59:32,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2273 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:59:32,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2024-11-19 08:59:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2024-11-19 08:59:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 871 states have (on average 1.9242250287026406) internal successors, (1676), 1386 states have internal predecessors, (1676), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1684 transitions. [2024-11-19 08:59:32,483 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1684 transitions. Word has length 13 [2024-11-19 08:59:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:32,484 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1684 transitions. [2024-11-19 08:59:32,484 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) [2024-11-19 08:59:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1684 transitions. [2024-11-19 08:59:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 08:59:32,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:32,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:32,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-19 08:59:32,685 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 [2024-11-19 08:59:32,685 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr354REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:32,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:32,686 INFO L85 PathProgramCache]: Analyzing trace with hash -652980110, now seen corresponding path program 1 times [2024-11-19 08:59:32,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:32,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770889688] [2024-11-19 08:59:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:32,686 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 [2024-11-19 08:59:32,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:32,690 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) [2024-11-19 08:59:32,691 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 [2024-11-19 08:59:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:32,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:32,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:32,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:32,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:32,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770889688] [2024-11-19 08:59:32,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770889688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:32,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:32,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:32,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786126804] [2024-11-19 08:59:32,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:32,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:32,858 INFO L87 Difference]: Start difference. First operand 1392 states and 1684 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) [2024-11-19 08:59:32,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:32,924 INFO L93 Difference]: Finished difference Result 1362 states and 1626 transitions. [2024-11-19 08:59:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 08:59:32,925 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 [2024-11-19 08:59:32,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:32,929 INFO L225 Difference]: With dead ends: 1362 [2024-11-19 08:59:32,929 INFO L226 Difference]: Without dead ends: 1362 [2024-11-19 08:59:32,929 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 [2024-11-19 08:59:32,930 INFO L432 NwaCegarLoop]: 1123 mSDtfsCounter, 48 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:32,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3343 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:59:32,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-19 08:59:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2024-11-19 08:59:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 855 states have (on average 1.8923976608187134) internal successors, (1618), 1356 states have internal predecessors, (1618), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1626 transitions. [2024-11-19 08:59:32,967 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1626 transitions. Word has length 15 [2024-11-19 08:59:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:32,967 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1626 transitions. [2024-11-19 08:59:32,967 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) [2024-11-19 08:59:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1626 transitions. [2024-11-19 08:59:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 08:59:32,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:32,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:32,976 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 [2024-11-19 08:59:33,168 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 [2024-11-19 08:59:33,169 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr626ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:33,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:33,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1566997286, now seen corresponding path program 1 times [2024-11-19 08:59:33,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:33,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524347176] [2024-11-19 08:59:33,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:33,170 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 [2024-11-19 08:59:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:33,172 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) [2024-11-19 08:59:33,173 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 [2024-11-19 08:59:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:33,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 08:59:33,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:33,301 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 08:59:33,302 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 08:59:33,304 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 33 treesize of output 31 [2024-11-19 08:59:33,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 08:59:33,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22 [2024-11-19 08:59:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:33,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:33,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:33,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524347176] [2024-11-19 08:59:33,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524347176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:33,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:33,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:33,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214371292] [2024-11-19 08:59:33,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:33,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:33,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:33,353 INFO L87 Difference]: Start difference. First operand 1362 states and 1626 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:33,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:33,552 INFO L93 Difference]: Finished difference Result 2400 states and 2762 transitions. [2024-11-19 08:59:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:33,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-19 08:59:33,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:33,558 INFO L225 Difference]: With dead ends: 2400 [2024-11-19 08:59:33,558 INFO L226 Difference]: Without dead ends: 2400 [2024-11-19 08:59:33,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:33,558 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 1078 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:33,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 3366 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 08:59:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2024-11-19 08:59:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 1361. [2024-11-19 08:59:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 854 states have (on average 1.8922716627634661) internal successors, (1616), 1355 states have internal predecessors, (1616), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1624 transitions. [2024-11-19 08:59:33,592 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1624 transitions. Word has length 16 [2024-11-19 08:59:33,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:33,592 INFO L471 AbstractCegarLoop]: Abstraction has 1361 states and 1624 transitions. [2024-11-19 08:59:33,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 08:59:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1624 transitions. [2024-11-19 08:59:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 08:59:33,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:33,594 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:33,599 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 [2024-11-19 08:59:33,794 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 [2024-11-19 08:59:33,795 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:33,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:33,796 INFO L85 PathProgramCache]: Analyzing trace with hash 183846334, now seen corresponding path program 1 times [2024-11-19 08:59:33,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:33,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184658813] [2024-11-19 08:59:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:33,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 08:59:33,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:33,798 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) [2024-11-19 08:59:33,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-19 08:59:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:33,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 08:59:33,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:33,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:33,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:33,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184658813] [2024-11-19 08:59:33,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184658813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:33,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:33,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:33,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135313286] [2024-11-19 08:59:33,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:33,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:59:33,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:33,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:59:33,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:33,943 INFO L87 Difference]: Start difference. First operand 1361 states and 1624 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-19 08:59:33,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:33,982 INFO L93 Difference]: Finished difference Result 1301 states and 1538 transitions. [2024-11-19 08:59:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:59:33,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2024-11-19 08:59:33,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:33,986 INFO L225 Difference]: With dead ends: 1301 [2024-11-19 08:59:33,986 INFO L226 Difference]: Without dead ends: 1301 [2024-11-19 08:59:33,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:59:33,987 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 71 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2117 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 [2024-11-19 08:59:33,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2117 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:59:33,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-19 08:59:33,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1301. [2024-11-19 08:59:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 818 states have (on average 1.8704156479217604) internal successors, (1530), 1295 states have internal predecessors, (1530), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1538 transitions. [2024-11-19 08:59:34,003 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1538 transitions. Word has length 18 [2024-11-19 08:59:34,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:34,003 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1538 transitions. [2024-11-19 08:59:34,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-19 08:59:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1538 transitions. [2024-11-19 08:59:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 08:59:34,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:34,005 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] [2024-11-19 08:59:34,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-19 08:59:34,205 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 [2024-11-19 08:59:34,206 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:34,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 582665080, now seen corresponding path program 1 times [2024-11-19 08:59:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:34,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989913517] [2024-11-19 08:59:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:34,207 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 [2024-11-19 08:59:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:34,208 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) [2024-11-19 08:59:34,213 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 [2024-11-19 08:59:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:34,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:34,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:34,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:34,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989913517] [2024-11-19 08:59:34,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989913517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:34,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:34,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:34,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819496872] [2024-11-19 08:59:34,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:34,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:34,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:34,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:34,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:34,482 INFO L87 Difference]: Start difference. First operand 1301 states and 1538 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-19 08:59:34,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:34,615 INFO L93 Difference]: Finished difference Result 1271 states and 1480 transitions. [2024-11-19 08:59:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 08:59:34,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-19 08:59:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:34,621 INFO L225 Difference]: With dead ends: 1271 [2024-11-19 08:59:34,621 INFO L226 Difference]: Without dead ends: 1271 [2024-11-19 08:59:34,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:34,622 INFO L432 NwaCegarLoop]: 1045 mSDtfsCounter, 48 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3109 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 [2024-11-19 08:59:34,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3109 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 08:59:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2024-11-19 08:59:34,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1271. [2024-11-19 08:59:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 802 states have (on average 1.8354114713216958) internal successors, (1472), 1265 states have internal predecessors, (1472), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1480 transitions. [2024-11-19 08:59:34,635 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1480 transitions. Word has length 20 [2024-11-19 08:59:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:34,636 INFO L471 AbstractCegarLoop]: Abstraction has 1271 states and 1480 transitions. [2024-11-19 08:59:34,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-19 08:59:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1480 transitions. [2024-11-19 08:59:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 08:59:34,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:34,639 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] [2024-11-19 08:59:34,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-19 08:59:34,840 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 [2024-11-19 08:59:34,840 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:34,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:34,841 INFO L85 PathProgramCache]: Analyzing trace with hash -195006074, now seen corresponding path program 1 times [2024-11-19 08:59:34,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:34,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134827576] [2024-11-19 08:59:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:34,842 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 [2024-11-19 08:59:34,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:34,844 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) [2024-11-19 08:59:34,845 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 [2024-11-19 08:59:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:35,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 08:59:35,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:35,027 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 [2024-11-19 08:59:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:35,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:35,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134827576] [2024-11-19 08:59:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134827576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648102102] [2024-11-19 08:59:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:35,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:35,112 INFO L87 Difference]: Start difference. First operand 1271 states and 1480 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-19 08:59:37,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:37,131 INFO L93 Difference]: Finished difference Result 1667 states and 1989 transitions. [2024-11-19 08:59:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:37,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2024-11-19 08:59:37,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:37,135 INFO L225 Difference]: With dead ends: 1667 [2024-11-19 08:59:37,135 INFO L226 Difference]: Without dead ends: 1667 [2024-11-19 08:59:37,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:37,136 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 780 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:37,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1476 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 08:59:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-19 08:59:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1267. [2024-11-19 08:59:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 802 states have (on average 1.825436408977556) internal successors, (1464), 1261 states have internal predecessors, (1464), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1472 transitions. [2024-11-19 08:59:37,149 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1472 transitions. Word has length 34 [2024-11-19 08:59:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:37,149 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1472 transitions. [2024-11-19 08:59:37,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-19 08:59:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1472 transitions. [2024-11-19 08:59:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 08:59:37,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:37,150 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] [2024-11-19 08:59:37,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-19 08:59:37,354 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 [2024-11-19 08:59:37,355 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:37,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:37,355 INFO L85 PathProgramCache]: Analyzing trace with hash -195006073, now seen corresponding path program 1 times [2024-11-19 08:59:37,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:37,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065190379] [2024-11-19 08:59:37,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:37,356 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 [2024-11-19 08:59:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:37,358 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) [2024-11-19 08:59:37,360 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 [2024-11-19 08:59:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:37,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 08:59:37,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:37,561 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 [2024-11-19 08:59:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:37,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:37,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065190379] [2024-11-19 08:59:37,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065190379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:37,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:37,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:37,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845955901] [2024-11-19 08:59:37,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:37,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:37,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:37,714 INFO L87 Difference]: Start difference. First operand 1267 states and 1472 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-19 08:59:40,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:40,177 INFO L93 Difference]: Finished difference Result 1784 states and 2083 transitions. [2024-11-19 08:59:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2024-11-19 08:59:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:40,183 INFO L225 Difference]: With dead ends: 1784 [2024-11-19 08:59:40,183 INFO L226 Difference]: Without dead ends: 1784 [2024-11-19 08:59:40,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:40,183 INFO L432 NwaCegarLoop]: 1270 mSDtfsCounter, 543 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:40,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2529 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 08:59:40,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2024-11-19 08:59:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1263. [2024-11-19 08:59:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 802 states have (on average 1.8154613466334164) internal successors, (1456), 1257 states have internal predecessors, (1456), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1464 transitions. [2024-11-19 08:59:40,207 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1464 transitions. Word has length 34 [2024-11-19 08:59:40,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:40,207 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1464 transitions. [2024-11-19 08:59:40,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-19 08:59:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1464 transitions. [2024-11-19 08:59:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 08:59:40,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:40,213 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] [2024-11-19 08:59:40,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-19 08:59:40,413 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 [2024-11-19 08:59:40,413 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:40,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1181697534, now seen corresponding path program 1 times [2024-11-19 08:59:40,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:40,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40053444] [2024-11-19 08:59:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:40,418 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 [2024-11-19 08:59:40,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:40,420 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) [2024-11-19 08:59:40,421 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 [2024-11-19 08:59:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:40,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:40,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:40,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:40,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:40,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40053444] [2024-11-19 08:59:40,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40053444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:40,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:40,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:40,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762908549] [2024-11-19 08:59:40,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:40,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:40,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:40,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:40,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:40,664 INFO L87 Difference]: Start difference. First operand 1263 states and 1464 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-19 08:59:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:40,708 INFO L93 Difference]: Finished difference Result 1251 states and 1444 transitions. [2024-11-19 08:59:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 08:59:40,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2024-11-19 08:59:40,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:40,713 INFO L225 Difference]: With dead ends: 1251 [2024-11-19 08:59:40,713 INFO L226 Difference]: Without dead ends: 1251 [2024-11-19 08:59:40,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:40,713 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 21 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3086 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 [2024-11-19 08:59:40,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3086 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:59:40,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-19 08:59:40,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-19 08:59:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 790 states have (on average 1.8177215189873417) internal successors, (1436), 1245 states have internal predecessors, (1436), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1444 transitions. [2024-11-19 08:59:40,723 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1444 transitions. Word has length 53 [2024-11-19 08:59:40,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:40,723 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1444 transitions. [2024-11-19 08:59:40,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-19 08:59:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1444 transitions. [2024-11-19 08:59:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 08:59:40,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:40,724 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] [2024-11-19 08:59:40,731 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 [2024-11-19 08:59:40,924 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 [2024-11-19 08:59:40,924 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:40,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:40,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1740051530, now seen corresponding path program 1 times [2024-11-19 08:59:40,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:40,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793164280] [2024-11-19 08:59:40,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:40,925 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 [2024-11-19 08:59:40,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:40,928 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) [2024-11-19 08:59:40,930 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 [2024-11-19 08:59:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:41,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 08:59:41,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:41,184 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 [2024-11-19 08:59:41,189 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 [2024-11-19 08:59:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 08:59:41,524 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 [2024-11-19 08:59:41,532 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-19 08:59:41,532 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 [2024-11-19 08:59:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:41,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:41,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:41,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793164280] [2024-11-19 08:59:41,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793164280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:41,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:41,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:59:41,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864559246] [2024-11-19 08:59:41,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:41,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:41,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:41,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:41,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:41,544 INFO L87 Difference]: Start difference. First operand 1251 states and 1444 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-19 08:59:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:43,426 INFO L93 Difference]: Finished difference Result 1605 states and 1915 transitions. [2024-11-19 08:59:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:43,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2024-11-19 08:59:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:43,432 INFO L225 Difference]: With dead ends: 1605 [2024-11-19 08:59:43,432 INFO L226 Difference]: Without dead ends: 1605 [2024-11-19 08:59:43,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:43,433 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1049 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:43,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 803 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 08:59:43,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2024-11-19 08:59:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1176. [2024-11-19 08:59:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 753 states have (on average 1.7583001328021248) internal successors, (1324), 1170 states have internal predecessors, (1324), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1332 transitions. [2024-11-19 08:59:43,446 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1332 transitions. Word has length 61 [2024-11-19 08:59:43,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:43,446 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1332 transitions. [2024-11-19 08:59:43,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-19 08:59:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1332 transitions. [2024-11-19 08:59:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 08:59:43,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:43,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:43,457 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 [2024-11-19 08:59:43,651 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 [2024-11-19 08:59:43,652 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:43,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1654454369, now seen corresponding path program 1 times [2024-11-19 08:59:43,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:43,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908642796] [2024-11-19 08:59:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:43,653 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 [2024-11-19 08:59:43,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:43,656 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) [2024-11-19 08:59:43,657 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 [2024-11-19 08:59:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:43,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 08:59:43,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:43,885 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 [2024-11-19 08:59:43,899 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 [2024-11-19 08:59:43,914 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 [2024-11-19 08:59:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:43,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:43,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:43,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908642796] [2024-11-19 08:59:43,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908642796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:43,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:43,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:43,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351266720] [2024-11-19 08:59:43,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:43,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 08:59:43,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:43,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 08:59:43,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:43,926 INFO L87 Difference]: Start difference. First operand 1176 states and 1332 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-19 08:59:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:45,736 INFO L93 Difference]: Finished difference Result 1175 states and 1331 transitions. [2024-11-19 08:59:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 08:59:45,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2024-11-19 08:59:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:45,740 INFO L225 Difference]: With dead ends: 1175 [2024-11-19 08:59:45,740 INFO L226 Difference]: Without dead ends: 1175 [2024-11-19 08:59:45,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 08:59:45,742 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 2 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:45,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2591 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 08:59:45,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-19 08:59:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2024-11-19 08:59:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 753 states have (on average 1.7569721115537849) internal successors, (1323), 1169 states have internal predecessors, (1323), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1331 transitions. [2024-11-19 08:59:45,759 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1331 transitions. Word has length 66 [2024-11-19 08:59:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:45,759 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1331 transitions. [2024-11-19 08:59:45,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-19 08:59:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1331 transitions. [2024-11-19 08:59:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 08:59:45,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:45,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:59:45,770 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 [2024-11-19 08:59:45,961 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 [2024-11-19 08:59:45,962 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:45,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:45,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1654454368, now seen corresponding path program 1 times [2024-11-19 08:59:45,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:45,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659960443] [2024-11-19 08:59:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:45,963 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 [2024-11-19 08:59:45,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:45,965 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) [2024-11-19 08:59:45,967 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 [2024-11-19 08:59:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:46,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 08:59:46,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:46,252 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 [2024-11-19 08:59:46,273 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 [2024-11-19 08:59:46,279 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 [2024-11-19 08:59:46,329 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 [2024-11-19 08:59:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:46,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:46,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:46,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659960443] [2024-11-19 08:59:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659960443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:46,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929014119] [2024-11-19 08:59:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:46,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 08:59:46,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 08:59:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:59:46,345 INFO L87 Difference]: Start difference. First operand 1175 states and 1331 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-19 08:59:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:48,760 INFO L93 Difference]: Finished difference Result 1174 states and 1330 transitions. [2024-11-19 08:59:48,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 08:59:48,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2024-11-19 08:59:48,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:48,767 INFO L225 Difference]: With dead ends: 1174 [2024-11-19 08:59:48,767 INFO L226 Difference]: Without dead ends: 1174 [2024-11-19 08:59:48,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 08:59:48,768 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 1 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:48,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2645 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 08:59:48,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-19 08:59:48,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-11-19 08:59:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 752 states have (on average 1.7579787234042554) internal successors, (1322), 1168 states have internal predecessors, (1322), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 08:59:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1330 transitions. [2024-11-19 08:59:48,779 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1330 transitions. Word has length 66 [2024-11-19 08:59:48,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:48,779 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1330 transitions. [2024-11-19 08:59:48,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-19 08:59:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1330 transitions. [2024-11-19 08:59:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 08:59:48,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:48,780 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, 1, 1, 1] [2024-11-19 08:59:48,789 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 (18)] Forceful destruction successful, exit code 0 [2024-11-19 08:59:48,980 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 [2024-11-19 08:59:48,981 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:48,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:48,983 INFO L85 PathProgramCache]: Analyzing trace with hash 306171846, now seen corresponding path program 1 times [2024-11-19 08:59:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:48,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146955989] [2024-11-19 08:59:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:48,984 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 [2024-11-19 08:59:48,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:48,985 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) [2024-11-19 08:59:48,987 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 [2024-11-19 08:59:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:49,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 08:59:49,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:49,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 08:59:49,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:49,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146955989] [2024-11-19 08:59:49,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146955989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:59:49,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:59:49,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:59:49,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338242397] [2024-11-19 08:59:49,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:59:49,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 08:59:49,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:49,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 08:59:49,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:49,292 INFO L87 Difference]: Start difference. First operand 1174 states and 1330 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-19 08:59:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:49,318 INFO L93 Difference]: Finished difference Result 1177 states and 1334 transitions. [2024-11-19 08:59:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 08:59:49,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 74 [2024-11-19 08:59:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:49,325 INFO L225 Difference]: With dead ends: 1177 [2024-11-19 08:59:49,325 INFO L226 Difference]: Without dead ends: 1177 [2024-11-19 08:59:49,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 08:59:49,326 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 0 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:49,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3031 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:59:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-19 08:59:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1177. [2024-11-19 08:59:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 754 states have (on average 1.757294429708223) internal successors, (1325), 1171 states have internal predecessors, (1325), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 08:59:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1334 transitions. [2024-11-19 08:59:49,345 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1334 transitions. Word has length 74 [2024-11-19 08:59:49,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:49,345 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1334 transitions. [2024-11-19 08:59:49,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-19 08:59:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1334 transitions. [2024-11-19 08:59:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 08:59:49,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:49,346 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, 1, 1, 1, 1] [2024-11-19 08:59:49,355 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 [2024-11-19 08:59:49,547 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 [2024-11-19 08:59:49,547 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:49,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:49,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1639343584, now seen corresponding path program 1 times [2024-11-19 08:59:49,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:49,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886608644] [2024-11-19 08:59:49,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:59:49,548 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 [2024-11-19 08:59:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:49,553 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) [2024-11-19 08:59:49,555 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 [2024-11-19 08:59:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:59:49,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 08:59:49,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:49,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 08:59:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:50,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:50,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886608644] [2024-11-19 08:59:50,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886608644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 08:59:50,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 08:59:50,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-19 08:59:50,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093915156] [2024-11-19 08:59:50,014 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 08:59:50,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 08:59:50,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 08:59:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 08:59:50,015 INFO L87 Difference]: Start difference. First operand 1177 states and 1334 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-19 08:59:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:50,152 INFO L93 Difference]: Finished difference Result 1189 states and 1351 transitions. [2024-11-19 08:59:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 08:59:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 75 [2024-11-19 08:59:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:50,156 INFO L225 Difference]: With dead ends: 1189 [2024-11-19 08:59:50,156 INFO L226 Difference]: Without dead ends: 1189 [2024-11-19 08:59:50,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-19 08:59:50,156 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 6 mSDsluCounter, 4034 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:50,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5046 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 08:59:50,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-19 08:59:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1187. [2024-11-19 08:59:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 763 states have (on average 1.7562254259501966) internal successors, (1340), 1180 states have internal predecessors, (1340), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 08:59:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1349 transitions. [2024-11-19 08:59:50,170 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1349 transitions. Word has length 75 [2024-11-19 08:59:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:50,171 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1349 transitions. [2024-11-19 08:59:50,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-19 08:59:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1349 transitions. [2024-11-19 08:59:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 08:59:50,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:50,171 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, 1, 1, 1, 1] [2024-11-19 08:59:50,180 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 (20)] Ended with exit code 0 [2024-11-19 08:59:50,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 08:59:50,372 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:50,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2042526138, now seen corresponding path program 2 times [2024-11-19 08:59:50,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:50,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367671439] [2024-11-19 08:59:50,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 08:59:50,374 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 [2024-11-19 08:59:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:50,376 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-11-19 08:59:50,377 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 (21)] Waiting until timeout for monitored process [2024-11-19 08:59:50,845 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 08:59:50,845 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 08:59:50,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 08:59:50,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:50,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 08:59:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:51,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367671439] [2024-11-19 08:59:51,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367671439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 08:59:51,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 08:59:51,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-19 08:59:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312005912] [2024-11-19 08:59:51,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 08:59:51,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 08:59:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:51,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 08:59:51,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-19 08:59:51,099 INFO L87 Difference]: Start difference. First operand 1187 states and 1349 transitions. Second operand has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2024-11-19 08:59:51,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:51,518 INFO L93 Difference]: Finished difference Result 1202 states and 1371 transitions. [2024-11-19 08:59:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 08:59:51,519 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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 78 [2024-11-19 08:59:51,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:51,523 INFO L225 Difference]: With dead ends: 1202 [2024-11-19 08:59:51,523 INFO L226 Difference]: Without dead ends: 1198 [2024-11-19 08:59:51,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-19 08:59:51,524 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 14 mSDsluCounter, 6056 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7068 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:51,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7068 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 08:59:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-19 08:59:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1196. [2024-11-19 08:59:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 772 states have (on average 1.7512953367875648) internal successors, (1352), 1189 states have internal predecessors, (1352), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 08:59:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1361 transitions. [2024-11-19 08:59:51,539 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1361 transitions. Word has length 78 [2024-11-19 08:59:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:51,539 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1361 transitions. [2024-11-19 08:59:51,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2024-11-19 08:59:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1361 transitions. [2024-11-19 08:59:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 08:59:51,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:51,544 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, 1, 1, 1, 1] [2024-11-19 08:59:51,557 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 (21)] Ended with exit code 0 [2024-11-19 08:59:51,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 08:59:51,745 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:51,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1275035654, now seen corresponding path program 3 times [2024-11-19 08:59:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:51,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464048805] [2024-11-19 08:59:51,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 08:59:51,746 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 [2024-11-19 08:59:51,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:51,750 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-11-19 08:59:51,751 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 (22)] Waiting until timeout for monitored process [2024-11-19 08:59:52,466 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-19 08:59:52,466 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 08:59:52,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 08:59:52,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:52,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 08:59:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:53,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:53,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464048805] [2024-11-19 08:59:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464048805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 08:59:53,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 08:59:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-19 08:59:53,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885497177] [2024-11-19 08:59:53,248 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 08:59:53,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 08:59:53,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:53,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 08:59:53,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-19 08:59:53,249 INFO L87 Difference]: Start difference. First operand 1196 states and 1361 transitions. Second operand has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 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) [2024-11-19 08:59:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:59:54,672 INFO L93 Difference]: Finished difference Result 1220 states and 1400 transitions. [2024-11-19 08:59:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-19 08:59:54,673 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 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 84 [2024-11-19 08:59:54,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:59:54,679 INFO L225 Difference]: With dead ends: 1220 [2024-11-19 08:59:54,679 INFO L226 Difference]: Without dead ends: 1214 [2024-11-19 08:59:54,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 08:59:54,680 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 22 mSDsluCounter, 11112 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 12125 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 08:59:54,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 12125 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 08:59:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-19 08:59:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-11-19 08:59:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 790 states have (on average 1.740506329113924) internal successors, (1375), 1207 states have internal predecessors, (1375), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 08:59:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1384 transitions. [2024-11-19 08:59:54,721 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1384 transitions. Word has length 84 [2024-11-19 08:59:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:59:54,721 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1384 transitions. [2024-11-19 08:59:54,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 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) [2024-11-19 08:59:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1384 transitions. [2024-11-19 08:59:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 08:59:54,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:59:54,722 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, 1, 1, 1, 1] [2024-11-19 08:59:54,735 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 (22)] Forceful destruction successful, exit code 0 [2024-11-19 08:59:54,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 08:59:54,928 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 08:59:54,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:59:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash 304120710, now seen corresponding path program 4 times [2024-11-19 08:59:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 08:59:54,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586795850] [2024-11-19 08:59:54,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 08:59:54,929 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 [2024-11-19 08:59:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 08:59:54,931 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-11-19 08:59:54,933 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 (23)] Waiting until timeout for monitored process [2024-11-19 08:59:55,479 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 08:59:55,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 08:59:55,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 08:59:55,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 08:59:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:55,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 08:59:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:59:57,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 08:59:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586795850] [2024-11-19 08:59:57,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586795850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 08:59:57,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 08:59:57,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-19 08:59:57,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644799772] [2024-11-19 08:59:57,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 08:59:57,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 08:59:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 08:59:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 08:59:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 08:59:57,385 INFO L87 Difference]: Start difference. First operand 1214 states and 1384 transitions. Second operand has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 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) [2024-11-19 09:00:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:00:02,256 INFO L93 Difference]: Finished difference Result 1254 states and 1456 transitions. [2024-11-19 09:00:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-19 09:00:02,257 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 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 96 [2024-11-19 09:00:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:00:02,260 INFO L225 Difference]: With dead ends: 1254 [2024-11-19 09:00:02,260 INFO L226 Difference]: Without dead ends: 1250 [2024-11-19 09:00:02,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-19 09:00:02,265 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 27 mSDsluCounter, 25224 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 26236 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:00:02,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 26236 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 09:00:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-19 09:00:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1248. [2024-11-19 09:00:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 824 states have (on average 1.7245145631067962) internal successors, (1421), 1241 states have internal predecessors, (1421), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 09:00:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1430 transitions. [2024-11-19 09:00:02,291 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1430 transitions. Word has length 96 [2024-11-19 09:00:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:00:02,291 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1430 transitions. [2024-11-19 09:00:02,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 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) [2024-11-19 09:00:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1430 transitions. [2024-11-19 09:00:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 09:00:02,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:00:02,292 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, 1, 1, 1, 1] [2024-11-19 09:00:02,308 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 (23)] Ended with exit code 0 [2024-11-19 09:00:02,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:00:02,497 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 625 more)] === [2024-11-19 09:00:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:00:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1029433158, now seen corresponding path program 5 times [2024-11-19 09:00:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:00:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833061268] [2024-11-19 09:00:02,499 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:00:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:00:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:00:02,500 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-11-19 09:00:02,502 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 (24)] Waiting until timeout for monitored process [2024-11-19 09:00:04,093 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-19 09:00:04,094 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:00:04,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-19 09:00:04,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:00:04,132 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 [2024-11-19 09:00:04,218 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-19 09:00:04,218 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 [2024-11-19 09:00:04,244 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 [2024-11-19 09:00:04,313 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 [2024-11-19 09:00:05,406 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 09:00:05,406 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 [2024-11-19 09:00:05,456 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 [2024-11-19 09:00:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-19 09:00:05,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:00:05,836 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2026 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_#t~mem34#1.base| v_ArrVal_2026) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) is different from false [2024-11-19 09:00:05,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:00:05,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833061268] [2024-11-19 09:00:05,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833061268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:00:05,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1513036262] [2024-11-19 09:00:05,838 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:00:05,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-19 09:00:05,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-19 09:00:05,840 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-19 09:00:05,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process