./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_OAT_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 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:09:41,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:09:41,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 09:09:41,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:09:41,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:09:41,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:09:41,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:09:41,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:09:41,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:09:41,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:09:41,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:09:41,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:09:41,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:09:41,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:09:41,408 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:09:41,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:09:41,408 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:09:41,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:09:41,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:09:41,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:09:41,409 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:09:41,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:09:41,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:09:41,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:09:41,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:09:41,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:09:41,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:09:41,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:09:41,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:09:41,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:09:41,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:09:41,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:09:41,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:09:41,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:09:41,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:09:41,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:09:41,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:09:41,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2024-11-19 09:09:41,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:09:41,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:09:41,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:09:41,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:09:41,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:09:41,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-19 09:09:42,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:09:43,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:09:43,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-19 09:09:43,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf18e676/8346b6eed2d64a00b16e6e459350c760/FLAGfe477023c [2024-11-19 09:09:43,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf18e676/8346b6eed2d64a00b16e6e459350c760 [2024-11-19 09:09:43,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:09:43,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:09:43,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:09:43,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:09:43,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:09:43,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:43" (1/1) ... [2024-11-19 09:09:43,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e9e10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:43, skipping insertion in model container [2024-11-19 09:09:43,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:43" (1/1) ... [2024-11-19 09:09:43,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:09:43,693 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 09:09:43,721 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 09:09:43,725 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 09:09:43,728 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 09:09:43,733 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 09:09:43,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:09:43,764 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 09:09:43,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:09:43,770 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 09:09:43,771 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 09:09:43,776 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 09:09:43,777 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 09:09:43,778 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 09:09:43,782 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 09:09:43,783 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 09:09:43,785 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 09:09:43,786 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 09:09:43,786 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 09:09:43,787 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 09:09:43,791 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 09:09:43,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:09:43,815 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 09:09:43,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11b85589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:43, skipping insertion in model container [2024-11-19 09:09:43,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:09:43,816 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-19 09:09:43,817 INFO L158 Benchmark]: Toolchain (without parser) took 511.22ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 84.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 09:09:43,818 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 09:09:43,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.71ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 84.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 09:09:43,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.71ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 84.5MB in the end (delta: 24.0MB). 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_OAT_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 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:09:45,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:09:45,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-19 09:09:45,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:09:45,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:09:45,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:09:45,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:09:45,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:09:45,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:09:45,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:09:45,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:09:45,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:09:45,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:09:45,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:09:45,703 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:09:45,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:09:45,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:09:45,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:09:45,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:09:45,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:09:45,704 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:09:45,706 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:09:45,706 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:09:45,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:09:45,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:09:45,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 09:09:45,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:09:45,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 09:09:45,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:09:45,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:09:45,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:09:45,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:09:45,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:09:45,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:09:45,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:09:45,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:09:45,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:09:45,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:09:45,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 09:09:45,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 09:09:45,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:09:45,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:09:45,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:09:45,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:09:45,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2024-11-19 09:09:45,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:09:46,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:09:46,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:09:46,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:09:46,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:09:46,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-19 09:09:47,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:09:47,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:09:47,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2024-11-19 09:09:47,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03488593a/a7909670586841f790f5e5891f35d6f5/FLAG2c67e04c7 [2024-11-19 09:09:47,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03488593a/a7909670586841f790f5e5891f35d6f5 [2024-11-19 09:09:47,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:09:47,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:09:47,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:09:47,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:09:47,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:09:47,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:47" (1/1) ... [2024-11-19 09:09:47,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfe8b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:47, skipping insertion in model container [2024-11-19 09:09:47,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:47" (1/1) ... [2024-11-19 09:09:48,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:09:48,416 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 09:09:48,452 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 09:09:48,458 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 09:09:48,464 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 09:09:48,472 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 09:09:48,507 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 09:09:48,507 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 09:09:48,509 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 09:09:48,510 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 09:09:48,512 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 09:09:48,516 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 09:09:48,521 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 09:09:48,521 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 09:09:48,525 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 09:09:48,528 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 09:09:48,530 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 09:09:48,530 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 09:09:48,531 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 09:09:48,536 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 09:09:48,541 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 09:09:48,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:09:48,568 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-19 09:09:48,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:09:48,605 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 09:09:48,616 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 09:09:48,617 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 09:09:48,619 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 09:09:48,621 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 09:09:48,653 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 09:09:48,654 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 09:09:48,655 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 09:09:48,656 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 09:09:48,662 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 09:09:48,664 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 09:09:48,668 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 09:09:48,668 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 09:09:48,670 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 09:09:48,671 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 09:09:48,674 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 09:09:48,676 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 09:09:48,676 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 09:09:48,677 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 09:09:48,679 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 09:09:48,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:09:48,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:09:48,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:09:48,813 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:09:48,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48 WrapperNode [2024-11-19 09:09:48,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:09:48,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:09:48,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:09:48,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:09:48,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:48,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:48,928 INFO L138 Inliner]: procedures = 179, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1204 [2024-11-19 09:09:48,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:09:48,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:09:48,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:09:48,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:09:48,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:48,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:48,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,042 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 09:09:49,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:09:49,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:09:49,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:09:49,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:09:49,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (1/1) ... [2024-11-19 09:09:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:09:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:09:49,143 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 09:09:49,146 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 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 09:09:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 09:09:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 09:09:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 09:09:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 09:09:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 09:09:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 09:09:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:09:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:09:49,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:09:49,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:09:49,394 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:09:49,428 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:09:49,449 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:09:53,249 INFO L? ?]: Removed 1295 outVars from TransFormulas that were not future-live. [2024-11-19 09:09:53,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:09:53,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:09:53,282 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-19 09:09:53,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:09:53 BoogieIcfgContainer [2024-11-19 09:09:53,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:09:53,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:09:53,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:09:53,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:09:53,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:09:47" (1/3) ... [2024-11-19 09:09:53,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5609a54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:09:53, skipping insertion in model container [2024-11-19 09:09:53,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:48" (2/3) ... [2024-11-19 09:09:53,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5609a54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:09:53, skipping insertion in model container [2024-11-19 09:09:53,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:09:53" (3/3) ... [2024-11-19 09:09:53,289 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2024-11-19 09:09:53,303 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:09:53,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 628 error locations. [2024-11-19 09:09:53,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:09:53,375 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;@28b5ffbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:09:53,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 628 error locations. [2024-11-19 09:09:53,383 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 09:09:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 09:09:53,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:09:53,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 09:09:53,390 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 09:09:53,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:09:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash 65605, now seen corresponding path program 1 times [2024-11-19 09:09:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:09:53,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954254686] [2024-11-19 09:09:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:09:53,406 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 09:09:53,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:09:53,410 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 09:09:53,411 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 09:09:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:09:53,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:09:53,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:09:53,584 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 09:09:53,599 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 09:09:53,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:09:53,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:09:53,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954254686] [2024-11-19 09:09:53,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954254686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:09:53,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:09:53,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:09:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948122263] [2024-11-19 09:09:53,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:09:53,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:09:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:09:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:09:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:09:53,666 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 09:09:55,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:09:55,263 INFO L93 Difference]: Finished difference Result 1423 states and 1499 transitions. [2024-11-19 09:09:55,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:09:55,265 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 09:09:55,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:09:55,282 INFO L225 Difference]: With dead ends: 1423 [2024-11-19 09:09:55,282 INFO L226 Difference]: Without dead ends: 1421 [2024-11-19 09:09:55,284 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 09:09:55,286 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 1150 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 09:09:55,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 908 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 09:09:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-19 09:09:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1234. [2024-11-19 09:09:55,351 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 09:09:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1301 transitions. [2024-11-19 09:09:55,356 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1301 transitions. Word has length 3 [2024-11-19 09:09:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:09:55,356 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1301 transitions. [2024-11-19 09:09:55,356 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 09:09:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1301 transitions. [2024-11-19 09:09:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 09:09:55,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:09:55,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 09:09:55,361 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 09:09:55,557 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 09:09:55,558 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 09:09:55,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:09:55,559 INFO L85 PathProgramCache]: Analyzing trace with hash 65606, now seen corresponding path program 1 times [2024-11-19 09:09:55,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:09:55,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196794971] [2024-11-19 09:09:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:09:55,560 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 09:09:55,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:09:55,561 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 09:09:55,562 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 09:09:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:09:55,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:09:55,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:09:55,722 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 09:09:55,739 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 09:09:55,739 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:09:55,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:09:55,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196794971] [2024-11-19 09:09:55,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196794971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:09:55,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:09:55,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:09:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742014776] [2024-11-19 09:09:55,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:09:55,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:09:55,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:09:55,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:09:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:09:55,745 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 09:09:58,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:09:58,058 INFO L93 Difference]: Finished difference Result 1832 states and 1942 transitions. [2024-11-19 09:09:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:09:58,059 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 09:09:58,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:09:58,063 INFO L225 Difference]: With dead ends: 1832 [2024-11-19 09:09:58,063 INFO L226 Difference]: Without dead ends: 1832 [2024-11-19 09:09:58,064 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 09:09:58,065 INFO L432 NwaCegarLoop]: 1009 mSDtfsCounter, 638 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 09:09:58,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1692 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 09:09:58,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-19 09:09:58,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1443. [2024-11-19 09:09:58,082 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 09:09:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1724 transitions. [2024-11-19 09:09:58,086 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1724 transitions. Word has length 3 [2024-11-19 09:09:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:09:58,086 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1724 transitions. [2024-11-19 09:09:58,086 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 09:09:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1724 transitions. [2024-11-19 09:09:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 09:09:58,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:09:58,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:09:58,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-19 09:09:58,288 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 09:09:58,289 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 09:09:58,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:09:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash 458521935, now seen corresponding path program 1 times [2024-11-19 09:09:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:09:58,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163345976] [2024-11-19 09:09:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:09:58,290 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 09:09:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:09:58,293 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 09:09:58,294 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 09:09:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:09:58,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 09:09:58,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:09:58,409 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 09:09:58,415 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 09:09:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 09:09:58,474 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 09:09:58,489 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-19 09:09:58,490 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 09:09:58,516 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 09:09:58,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:09:58,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:09:58,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163345976] [2024-11-19 09:09:58,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163345976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:09:58,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:09:58,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:09:58,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647395931] [2024-11-19 09:09:58,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:09:58,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:09:58,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:09:58,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:09:58,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:09:58,519 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 09:10:00,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:00,970 INFO L93 Difference]: Finished difference Result 1624 states and 1916 transitions. [2024-11-19 09:10:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:00,970 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 09:10:00,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:00,975 INFO L225 Difference]: With dead ends: 1624 [2024-11-19 09:10:00,976 INFO L226 Difference]: Without dead ends: 1624 [2024-11-19 09:10:00,977 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 09:10:00,978 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 2587 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:00,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 523 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 09:10:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2024-11-19 09:10:00,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1222. [2024-11-19 09:10:00,998 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 09:10:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1288 transitions. [2024-11-19 09:10:01,001 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1288 transitions. Word has length 7 [2024-11-19 09:10:01,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:01,001 INFO L471 AbstractCegarLoop]: Abstraction has 1222 states and 1288 transitions. [2024-11-19 09:10:01,001 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 09:10:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1288 transitions. [2024-11-19 09:10:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 09:10:01,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:01,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:01,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-19 09:10:01,207 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 09:10:01,207 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 09:10:01,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1329278099, now seen corresponding path program 1 times [2024-11-19 09:10:01,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190680591] [2024-11-19 09:10:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:01,209 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 09:10:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:01,212 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 09:10:01,216 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 09:10:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:01,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:10:01,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:01,346 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 09:10:01,373 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 09:10:01,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:01,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:01,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190680591] [2024-11-19 09:10:01,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190680591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:01,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:01,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:10:01,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102254206] [2024-11-19 09:10:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:01,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:10:01,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:01,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:10:01,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:10:01,375 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 09:10:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:03,442 INFO L93 Difference]: Finished difference Result 1694 states and 1797 transitions. [2024-11-19 09:10:03,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:10:03,443 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 09:10:03,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:03,447 INFO L225 Difference]: With dead ends: 1694 [2024-11-19 09:10:03,447 INFO L226 Difference]: Without dead ends: 1694 [2024-11-19 09:10:03,448 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 09:10:03,449 INFO L432 NwaCegarLoop]: 1376 mSDtfsCounter, 692 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:03,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1899 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 09:10:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-19 09:10:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1249. [2024-11-19 09:10:03,471 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 09:10:03,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1356 transitions. [2024-11-19 09:10:03,474 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1356 transitions. Word has length 8 [2024-11-19 09:10:03,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:03,475 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1356 transitions. [2024-11-19 09:10:03,475 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 09:10:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1356 transitions. [2024-11-19 09:10:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 09:10:03,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:03,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:03,480 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 09:10:03,676 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 09:10:03,677 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 09:10:03,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1329278098, now seen corresponding path program 1 times [2024-11-19 09:10:03,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:03,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592817788] [2024-11-19 09:10:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:03,680 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 09:10:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:03,682 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 09:10:03,683 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 09:10:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:03,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:10:03,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:03,793 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 09:10:03,804 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 09:10:03,805 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:03,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592817788] [2024-11-19 09:10:03,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592817788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:03,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:03,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:10:03,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198028957] [2024-11-19 09:10:03,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:03,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:10:03,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:03,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:10:03,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:10:03,807 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 09:10:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:05,196 INFO L93 Difference]: Finished difference Result 1584 states and 1717 transitions. [2024-11-19 09:10:05,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:10:05,196 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 09:10:05,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:05,200 INFO L225 Difference]: With dead ends: 1584 [2024-11-19 09:10:05,201 INFO L226 Difference]: Without dead ends: 1584 [2024-11-19 09:10:05,201 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 09:10:05,202 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:05,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1498 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 09:10:05,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-19 09:10:05,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1202. [2024-11-19 09:10:05,220 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 09:10:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1305 transitions. [2024-11-19 09:10:05,223 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1305 transitions. Word has length 8 [2024-11-19 09:10:05,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:05,223 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1305 transitions. [2024-11-19 09:10:05,223 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 09:10:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1305 transitions. [2024-11-19 09:10:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 09:10:05,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:05,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:05,227 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 09:10:05,427 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 09:10:05,427 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 09:10:05,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:05,428 INFO L85 PathProgramCache]: Analyzing trace with hash 422488225, now seen corresponding path program 1 times [2024-11-19 09:10:05,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:05,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271065003] [2024-11-19 09:10:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:05,429 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 09:10:05,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:05,430 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 09:10:05,431 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 09:10:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:05,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 09:10:05,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:05,605 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 09:10:05,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:05,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:05,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271065003] [2024-11-19 09:10:05,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271065003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:05,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:05,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:05,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066081305] [2024-11-19 09:10:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:05,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:05,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:05,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:05,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:05,607 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 09:10:06,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:06,209 INFO L93 Difference]: Finished difference Result 1803 states and 1990 transitions. [2024-11-19 09:10:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:06,210 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 09:10:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:06,214 INFO L225 Difference]: With dead ends: 1803 [2024-11-19 09:10:06,214 INFO L226 Difference]: Without dead ends: 1803 [2024-11-19 09:10:06,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 09:10:06,215 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 636 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:06,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 3719 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 09:10:06,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2024-11-19 09:10:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1452. [2024-11-19 09:10:06,234 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 09:10:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1770 transitions. [2024-11-19 09:10:06,237 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1770 transitions. Word has length 13 [2024-11-19 09:10:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:06,238 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1770 transitions. [2024-11-19 09:10:06,238 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 09:10:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1770 transitions. [2024-11-19 09:10:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 09:10:06,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:06,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:06,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:06,439 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 09:10:06,440 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 09:10:06,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash -170511720, now seen corresponding path program 1 times [2024-11-19 09:10:06,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:06,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568867894] [2024-11-19 09:10:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:06,441 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 09:10:06,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:06,442 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 09:10:06,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-19 09:10:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:06,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 09:10:06,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:06,561 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 09:10:06,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:06,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:06,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568867894] [2024-11-19 09:10:06,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568867894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:06,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:06,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:10:06,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561416842] [2024-11-19 09:10:06,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:06,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:10:06,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:06,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:10:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:10:06,563 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 09:10:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:06,585 INFO L93 Difference]: Finished difference Result 1392 states and 1684 transitions. [2024-11-19 09:10:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:10:06,586 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 09:10:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:06,589 INFO L225 Difference]: With dead ends: 1392 [2024-11-19 09:10:06,589 INFO L226 Difference]: Without dead ends: 1392 [2024-11-19 09:10:06,589 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 09:10:06,590 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 09:10:06,590 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 09:10:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2024-11-19 09:10:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2024-11-19 09:10:06,603 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 09:10:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1684 transitions. [2024-11-19 09:10:06,606 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1684 transitions. Word has length 13 [2024-11-19 09:10:06,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:06,606 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1684 transitions. [2024-11-19 09:10:06,606 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 09:10:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1684 transitions. [2024-11-19 09:10:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 09:10:06,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:06,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:06,611 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 09:10:06,809 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 09:10:06,812 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 09:10:06,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash -652980110, now seen corresponding path program 1 times [2024-11-19 09:10:06,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:06,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651194012] [2024-11-19 09:10:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:06,815 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 09:10:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:06,817 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 09:10:06,821 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 09:10:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:06,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:10:06,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:06,943 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 09:10:06,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:06,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:06,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651194012] [2024-11-19 09:10:06,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651194012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:06,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:06,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:06,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466182399] [2024-11-19 09:10:06,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:06,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:06,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:06,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:06,944 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 09:10:06,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:06,997 INFO L93 Difference]: Finished difference Result 1362 states and 1626 transitions. [2024-11-19 09:10:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:10:06,997 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 09:10:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:07,000 INFO L225 Difference]: With dead ends: 1362 [2024-11-19 09:10:07,001 INFO L226 Difference]: Without dead ends: 1362 [2024-11-19 09:10:07,001 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 09:10:07,001 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 09:10:07,001 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 09:10:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-19 09:10:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2024-11-19 09:10:07,014 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 09:10:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1626 transitions. [2024-11-19 09:10:07,017 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1626 transitions. Word has length 15 [2024-11-19 09:10:07,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:07,017 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1626 transitions. [2024-11-19 09:10:07,018 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 09:10:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1626 transitions. [2024-11-19 09:10:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 09:10:07,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:07,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:10:07,023 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 09:10:07,219 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 09:10:07,219 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 09:10:07,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1566997286, now seen corresponding path program 1 times [2024-11-19 09:10:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:07,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074837984] [2024-11-19 09:10:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:07,220 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 09:10:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:07,221 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 09:10:07,222 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 09:10:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:07,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:10:07,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:07,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 09:10:07,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 09:10:07,369 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 09:10:07,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 09:10:07,395 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 09:10:07,418 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 09:10:07,418 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:07,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074837984] [2024-11-19 09:10:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074837984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:07,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:07,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:07,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349898036] [2024-11-19 09:10:07,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:07,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:07,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:07,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:07,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:07,421 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 09:10:07,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:07,741 INFO L93 Difference]: Finished difference Result 2400 states and 2762 transitions. [2024-11-19 09:10:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:07,741 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 09:10:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:07,746 INFO L225 Difference]: With dead ends: 2400 [2024-11-19 09:10:07,747 INFO L226 Difference]: Without dead ends: 2400 [2024-11-19 09:10:07,747 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 09:10:07,747 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:07,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 3366 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 09:10:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2024-11-19 09:10:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 1361. [2024-11-19 09:10:07,772 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 09:10:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1624 transitions. [2024-11-19 09:10:07,776 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1624 transitions. Word has length 16 [2024-11-19 09:10:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:07,776 INFO L471 AbstractCegarLoop]: Abstraction has 1361 states and 1624 transitions. [2024-11-19 09:10:07,776 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 09:10:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1624 transitions. [2024-11-19 09:10:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 09:10:07,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:07,778 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 09:10:07,788 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 09:10:07,982 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 09:10:07,983 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 09:10:07,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 183846334, now seen corresponding path program 1 times [2024-11-19 09:10:07,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:07,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295677839] [2024-11-19 09:10:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:07,984 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 09:10:07,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:07,985 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 09:10:07,987 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 (11)] Waiting until timeout for monitored process [2024-11-19 09:10:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:08,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 09:10:08,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:08,136 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 09:10:08,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:08,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:08,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295677839] [2024-11-19 09:10:08,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295677839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:08,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:08,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:10:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066706509] [2024-11-19 09:10:08,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:08,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:10:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:10:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:10:08,137 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 09:10:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:08,165 INFO L93 Difference]: Finished difference Result 1301 states and 1538 transitions. [2024-11-19 09:10:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:10:08,166 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 09:10:08,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:08,170 INFO L225 Difference]: With dead ends: 1301 [2024-11-19 09:10:08,170 INFO L226 Difference]: Without dead ends: 1301 [2024-11-19 09:10:08,170 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 09:10:08,171 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 09:10:08,171 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 09:10:08,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-19 09:10:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1301. [2024-11-19 09:10:08,184 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 09:10:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1538 transitions. [2024-11-19 09:10:08,188 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1538 transitions. Word has length 18 [2024-11-19 09:10:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:08,188 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1538 transitions. [2024-11-19 09:10:08,188 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 09:10:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1538 transitions. [2024-11-19 09:10:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 09:10:08,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:08,191 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 09:10:08,199 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 09:10:08,391 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 09:10:08,392 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 09:10:08,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash 582665080, now seen corresponding path program 1 times [2024-11-19 09:10:08,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:08,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340923880] [2024-11-19 09:10:08,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:08,392 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 09:10:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:08,394 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 09:10:08,396 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 09:10:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:08,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:10:08,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:08,540 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 09:10:08,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:08,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:08,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340923880] [2024-11-19 09:10:08,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340923880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:08,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:08,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:08,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698711150] [2024-11-19 09:10:08,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:08,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:08,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:08,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:08,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:08,541 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 09:10:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:08,596 INFO L93 Difference]: Finished difference Result 1271 states and 1480 transitions. [2024-11-19 09:10:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:10:08,596 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 09:10:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:08,599 INFO L225 Difference]: With dead ends: 1271 [2024-11-19 09:10:08,599 INFO L226 Difference]: Without dead ends: 1271 [2024-11-19 09:10:08,599 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 09:10:08,600 INFO L432 NwaCegarLoop]: 1045 mSDtfsCounter, 48 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:08,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3109 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:10:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2024-11-19 09:10:08,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1271. [2024-11-19 09:10:08,611 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 09:10:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1480 transitions. [2024-11-19 09:10:08,615 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1480 transitions. Word has length 20 [2024-11-19 09:10:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:08,616 INFO L471 AbstractCegarLoop]: Abstraction has 1271 states and 1480 transitions. [2024-11-19 09:10:08,616 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 09:10:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1480 transitions. [2024-11-19 09:10:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 09:10:08,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:08,617 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 09:10:08,624 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 (12)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:08,818 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 09:10:08,818 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 09:10:08,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:08,819 INFO L85 PathProgramCache]: Analyzing trace with hash -195006074, now seen corresponding path program 1 times [2024-11-19 09:10:08,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:08,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306577107] [2024-11-19 09:10:08,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:08,819 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 09:10:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:08,820 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 09:10:08,821 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 09:10:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:08,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:10:08,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:08,971 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 09:10:09,048 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 09:10:09,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:09,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:09,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306577107] [2024-11-19 09:10:09,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306577107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:09,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:09,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:10:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655157006] [2024-11-19 09:10:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:09,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:09,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:09,049 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 09:10:10,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:10,697 INFO L93 Difference]: Finished difference Result 1667 states and 1989 transitions. [2024-11-19 09:10:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:10,698 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 09:10:10,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:10,703 INFO L225 Difference]: With dead ends: 1667 [2024-11-19 09:10:10,703 INFO L226 Difference]: Without dead ends: 1667 [2024-11-19 09:10:10,704 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 09:10:10,704 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 780 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:10,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1476 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 09:10:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-19 09:10:10,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1267. [2024-11-19 09:10:10,718 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 09:10:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1472 transitions. [2024-11-19 09:10:10,721 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1472 transitions. Word has length 34 [2024-11-19 09:10:10,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:10,722 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1472 transitions. [2024-11-19 09:10:10,722 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 09:10:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1472 transitions. [2024-11-19 09:10:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 09:10:10,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:10,724 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] [2024-11-19 09:10:10,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:10,927 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 09:10:10,928 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 09:10:10,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:10,928 INFO L85 PathProgramCache]: Analyzing trace with hash -195006073, now seen corresponding path program 1 times [2024-11-19 09:10:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:10,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512946468] [2024-11-19 09:10:10,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:10,929 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 09:10:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:10,931 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 09:10:10,932 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 09:10:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:11,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 09:10:11,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:11,066 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 09:10:11,215 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 09:10:11,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:11,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:11,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512946468] [2024-11-19 09:10:11,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512946468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:11,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:11,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:10:11,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360154203] [2024-11-19 09:10:11,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:11,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:11,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:11,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:11,216 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 09:10:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:13,383 INFO L93 Difference]: Finished difference Result 1784 states and 2083 transitions. [2024-11-19 09:10:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:13,384 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 09:10:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:13,388 INFO L225 Difference]: With dead ends: 1784 [2024-11-19 09:10:13,388 INFO L226 Difference]: Without dead ends: 1784 [2024-11-19 09:10:13,389 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 09:10:13,389 INFO L432 NwaCegarLoop]: 1270 mSDtfsCounter, 543 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:13,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2529 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-19 09:10:13,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2024-11-19 09:10:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1263. [2024-11-19 09:10:13,401 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 09:10:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1464 transitions. [2024-11-19 09:10:13,403 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1464 transitions. Word has length 34 [2024-11-19 09:10:13,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:13,403 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1464 transitions. [2024-11-19 09:10:13,403 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 09:10:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1464 transitions. [2024-11-19 09:10:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 09:10:13,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:13,404 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 09:10:13,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-19 09:10:13,604 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 09:10:13,604 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 09:10:13,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:13,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1181697534, now seen corresponding path program 1 times [2024-11-19 09:10:13,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:13,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601933223] [2024-11-19 09:10:13,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:13,605 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 09:10:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:13,606 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 09:10:13,608 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 09:10:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:13,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:10:13,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:13,835 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 09:10:13,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:13,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:13,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601933223] [2024-11-19 09:10:13,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601933223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:13,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:13,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:13,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409191877] [2024-11-19 09:10:13,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:13,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:13,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:13,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:13,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:13,837 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 09:10:13,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:13,884 INFO L93 Difference]: Finished difference Result 1251 states and 1444 transitions. [2024-11-19 09:10:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:10:13,885 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 09:10:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:13,888 INFO L225 Difference]: With dead ends: 1251 [2024-11-19 09:10:13,888 INFO L226 Difference]: Without dead ends: 1251 [2024-11-19 09:10:13,888 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 09:10:13,890 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 09:10:13,890 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 09:10:13,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-19 09:10:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-19 09:10:13,902 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 09:10:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1444 transitions. [2024-11-19 09:10:13,904 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1444 transitions. Word has length 53 [2024-11-19 09:10:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:13,904 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1444 transitions. [2024-11-19 09:10:13,904 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 09:10:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1444 transitions. [2024-11-19 09:10:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 09:10:13,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:13,908 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 09:10:13,918 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 09:10:14,108 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 09:10:14,109 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 09:10:14,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1740051530, now seen corresponding path program 1 times [2024-11-19 09:10:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:14,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913997607] [2024-11-19 09:10:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:14,110 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 09:10:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:14,112 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 09:10:14,113 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 09:10:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:14,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 09:10:14,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:14,395 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 09:10:14,401 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 09:10:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 09:10:14,808 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 09:10:14,819 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-19 09:10:14,819 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 09:10:14,832 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 09:10:14,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:14,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:14,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913997607] [2024-11-19 09:10:14,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913997607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:14,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:14,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:10:14,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289268018] [2024-11-19 09:10:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:14,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:14,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:14,833 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 09:10:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:16,554 INFO L93 Difference]: Finished difference Result 1605 states and 1915 transitions. [2024-11-19 09:10:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:16,554 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 09:10:16,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:16,558 INFO L225 Difference]: With dead ends: 1605 [2024-11-19 09:10:16,558 INFO L226 Difference]: Without dead ends: 1605 [2024-11-19 09:10:16,558 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 09:10:16,559 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1049 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:16,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 803 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 09:10:16,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2024-11-19 09:10:16,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1176. [2024-11-19 09:10:16,568 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 09:10:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1332 transitions. [2024-11-19 09:10:16,569 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1332 transitions. Word has length 61 [2024-11-19 09:10:16,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:16,570 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1332 transitions. [2024-11-19 09:10:16,570 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 09:10:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1332 transitions. [2024-11-19 09:10:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 09:10:16,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:16,570 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 09:10:16,578 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 09:10:16,771 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 09:10:16,771 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 09:10:16,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1654454369, now seen corresponding path program 1 times [2024-11-19 09:10:16,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:16,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567397171] [2024-11-19 09:10:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:16,772 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 09:10:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:16,775 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 09:10:16,775 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 09:10:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:16,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 09:10:16,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:16,994 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 09:10:17,007 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 09:10:17,023 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 09:10:17,029 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 09:10:17,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:17,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:17,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567397171] [2024-11-19 09:10:17,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567397171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:17,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:17,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:17,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459172776] [2024-11-19 09:10:17,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:17,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:10:17,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:10:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:10:17,030 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 09:10:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:18,579 INFO L93 Difference]: Finished difference Result 1175 states and 1331 transitions. [2024-11-19 09:10:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:10:18,580 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 09:10:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:18,583 INFO L225 Difference]: With dead ends: 1175 [2024-11-19 09:10:18,583 INFO L226 Difference]: Without dead ends: 1175 [2024-11-19 09:10:18,583 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 09:10:18,584 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 2 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:18,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2591 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 09:10:18,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-19 09:10:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2024-11-19 09:10:18,591 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 09:10:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1331 transitions. [2024-11-19 09:10:18,593 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1331 transitions. Word has length 66 [2024-11-19 09:10:18,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:18,593 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1331 transitions. [2024-11-19 09:10:18,593 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 09:10:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1331 transitions. [2024-11-19 09:10:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 09:10:18,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:18,594 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 09:10:18,602 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 (17)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:18,798 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 09:10:18,798 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 09:10:18,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:18,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1654454368, now seen corresponding path program 1 times [2024-11-19 09:10:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:18,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275718731] [2024-11-19 09:10:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:18,799 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 09:10:18,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:18,801 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 09:10:18,801 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 09:10:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:19,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 09:10:19,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:19,022 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 09:10:19,042 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 09:10:19,046 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 09:10:19,082 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 09:10:19,093 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 09:10:19,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:19,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:19,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275718731] [2024-11-19 09:10:19,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275718731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:19,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:19,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:19,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575231072] [2024-11-19 09:10:19,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:19,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:10:19,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:19,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:10:19,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:10:19,096 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 09:10:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:21,121 INFO L93 Difference]: Finished difference Result 1174 states and 1330 transitions. [2024-11-19 09:10:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:10:21,122 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 09:10:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:21,124 INFO L225 Difference]: With dead ends: 1174 [2024-11-19 09:10:21,124 INFO L226 Difference]: Without dead ends: 1174 [2024-11-19 09:10:21,124 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 09:10:21,125 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 1 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:21,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2645 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 09:10:21,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-19 09:10:21,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-11-19 09:10:21,133 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 09:10:21,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1330 transitions. [2024-11-19 09:10:21,134 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1330 transitions. Word has length 66 [2024-11-19 09:10:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:21,134 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1330 transitions. [2024-11-19 09:10:21,134 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 09:10:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1330 transitions. [2024-11-19 09:10:21,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 09:10:21,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:21,135 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 09:10:21,143 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 09:10:21,335 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 09:10:21,336 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 09:10:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash 306171846, now seen corresponding path program 1 times [2024-11-19 09:10:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:21,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839730198] [2024-11-19 09:10:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:21,337 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 09:10:21,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:21,340 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 09:10:21,341 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 09:10:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:21,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:10:21,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:21,584 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 09:10:21,584 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:10:21,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:21,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839730198] [2024-11-19 09:10:21,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839730198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:10:21,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:10:21,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:10:21,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325799245] [2024-11-19 09:10:21,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:10:21,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:10:21,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:21,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:10:21,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:10:21,588 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 09:10:21,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:21,617 INFO L93 Difference]: Finished difference Result 1177 states and 1334 transitions. [2024-11-19 09:10:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:10:21,618 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 09:10:21,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:21,622 INFO L225 Difference]: With dead ends: 1177 [2024-11-19 09:10:21,622 INFO L226 Difference]: Without dead ends: 1177 [2024-11-19 09:10:21,623 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 09:10:21,623 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 09:10:21,623 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 09:10:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-19 09:10:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1177. [2024-11-19 09:10:21,639 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 09:10:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1334 transitions. [2024-11-19 09:10:21,640 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1334 transitions. Word has length 74 [2024-11-19 09:10:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:21,640 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1334 transitions. [2024-11-19 09:10:21,641 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 09:10:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1334 transitions. [2024-11-19 09:10:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 09:10:21,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:21,642 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 09:10:21,650 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 09:10:21,842 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 09:10:21,843 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 09:10:21,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1639343584, now seen corresponding path program 1 times [2024-11-19 09:10:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016428752] [2024-11-19 09:10:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:10:21,844 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 09:10:21,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:21,845 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 09:10:21,846 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 09:10:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:10:22,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:10:22,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:22,106 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 09:10:22,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:10:22,167 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 09:10:22,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:22,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016428752] [2024-11-19 09:10:22,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016428752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:10:22,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:10:22,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-19 09:10:22,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742733366] [2024-11-19 09:10:22,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:10:22,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:10:22,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:22,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:10:22,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:10:22,171 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 09:10:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:22,298 INFO L93 Difference]: Finished difference Result 1189 states and 1351 transitions. [2024-11-19 09:10:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 09:10:22,298 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 09:10:22,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:22,301 INFO L225 Difference]: With dead ends: 1189 [2024-11-19 09:10:22,301 INFO L226 Difference]: Without dead ends: 1189 [2024-11-19 09:10:22,301 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 09:10:22,302 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 09:10:22,302 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 09:10:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-19 09:10:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1187. [2024-11-19 09:10:22,313 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 09:10:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1349 transitions. [2024-11-19 09:10:22,314 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1349 transitions. Word has length 75 [2024-11-19 09:10:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:22,315 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1349 transitions. [2024-11-19 09:10:22,315 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 09:10:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1349 transitions. [2024-11-19 09:10:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 09:10:22,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:22,316 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 09:10:22,323 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 09:10:22,516 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 09:10:22,517 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 09:10:22,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2042526138, now seen corresponding path program 2 times [2024-11-19 09:10:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:22,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754237309] [2024-11-19 09:10:22,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:10:22,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:10:22,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:22,519 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 09:10:22,520 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 09:10:22,913 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 09:10:22,913 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:10:22,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 09:10:22,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:22,962 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 09:10:22,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:10:23,086 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 09:10:23,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:23,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754237309] [2024-11-19 09:10:23,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754237309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:10:23,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:10:23,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-19 09:10:23,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902832299] [2024-11-19 09:10:23,086 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:10:23,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:10:23,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:10:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:10:23,089 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 09:10:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:23,410 INFO L93 Difference]: Finished difference Result 1202 states and 1371 transitions. [2024-11-19 09:10:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 09:10:23,411 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 09:10:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:23,414 INFO L225 Difference]: With dead ends: 1202 [2024-11-19 09:10:23,414 INFO L226 Difference]: Without dead ends: 1198 [2024-11-19 09:10:23,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-19 09:10:23,415 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 09:10:23,415 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 09:10:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-19 09:10:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1196. [2024-11-19 09:10:23,436 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 09:10:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1361 transitions. [2024-11-19 09:10:23,437 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1361 transitions. Word has length 78 [2024-11-19 09:10:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:23,438 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1361 transitions. [2024-11-19 09:10:23,438 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 09:10:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1361 transitions. [2024-11-19 09:10:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 09:10:23,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:23,439 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 09:10:23,447 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 (21)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:23,639 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 09:10:23,639 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 09:10:23,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1275035654, now seen corresponding path program 3 times [2024-11-19 09:10:23,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:23,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227032615] [2024-11-19 09:10:23,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:10:23,640 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 09:10:23,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:23,641 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 09:10:23,642 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 09:10:24,221 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-19 09:10:24,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:10:24,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 09:10:24,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:24,339 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 09:10:24,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:10:24,718 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 09:10:24,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:24,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227032615] [2024-11-19 09:10:24,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227032615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:10:24,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:10:24,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-19 09:10:24,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388730513] [2024-11-19 09:10:24,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:10:24,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 09:10:24,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 09:10:24,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-19 09:10:24,720 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 09:10:26,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:26,065 INFO L93 Difference]: Finished difference Result 1220 states and 1400 transitions. [2024-11-19 09:10:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-19 09:10:26,066 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 09:10:26,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:26,068 INFO L225 Difference]: With dead ends: 1220 [2024-11-19 09:10:26,068 INFO L226 Difference]: Without dead ends: 1214 [2024-11-19 09:10:26,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 09:10:26,069 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 09:10:26,070 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 09:10:26,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-19 09:10:26,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-11-19 09:10:26,081 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 09:10:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1384 transitions. [2024-11-19 09:10:26,083 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1384 transitions. Word has length 84 [2024-11-19 09:10:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:26,083 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1384 transitions. [2024-11-19 09:10:26,083 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 09:10:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1384 transitions. [2024-11-19 09:10:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 09:10:26,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:26,084 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 09:10:26,095 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 09:10:26,284 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 09:10:26,285 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 09:10:26,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:26,285 INFO L85 PathProgramCache]: Analyzing trace with hash 304120710, now seen corresponding path program 4 times [2024-11-19 09:10:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:26,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078782585] [2024-11-19 09:10:26,286 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 09:10:26,286 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 09:10:26,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:26,289 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 09:10:26,290 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 09:10:26,687 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 09:10:26,687 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:10:26,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 09:10:26,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:26,979 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 09:10:26,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:10:28,016 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 09:10:28,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:28,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078782585] [2024-11-19 09:10:28,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078782585] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:10:28,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:10:28,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-19 09:10:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502972766] [2024-11-19 09:10:28,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:10:28,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 09:10:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:10:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 09:10:28,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 09:10:28,018 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 09:10:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:10:32,291 INFO L93 Difference]: Finished difference Result 1254 states and 1456 transitions. [2024-11-19 09:10:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-19 09:10:32,292 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 09:10:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:10:32,295 INFO L225 Difference]: With dead ends: 1254 [2024-11-19 09:10:32,295 INFO L226 Difference]: Without dead ends: 1250 [2024-11-19 09:10:32,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-19 09:10:32,297 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 27 mSDsluCounter, 25224 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 09:10:32,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 26236 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 09:10:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-19 09:10:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1248. [2024-11-19 09:10:32,309 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 09:10:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1430 transitions. [2024-11-19 09:10:32,310 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1430 transitions. Word has length 96 [2024-11-19 09:10:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:10:32,311 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1430 transitions. [2024-11-19 09:10:32,311 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 09:10:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1430 transitions. [2024-11-19 09:10:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 09:10:32,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:10:32,312 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 09:10:32,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-11-19 09:10:32,512 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 09:10:32,512 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 09:10:32,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:10:32,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1029433158, now seen corresponding path program 5 times [2024-11-19 09:10:32,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:10:32,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956345909] [2024-11-19 09:10:32,514 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:10:32,514 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 09:10:32,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:10:32,516 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 09:10:32,517 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 09:10:33,650 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-19 09:10:33,650 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:10:33,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-19 09:10:33,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:10:33,694 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 09:10:33,770 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-19 09:10:33,770 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 09:10:33,813 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 09:10:33,867 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 09:10:34,583 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 09:10:34,583 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 09:10:34,614 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 09:10:34,640 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 09:10:34,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:10:34,905 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 09:10:34,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:10:34,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956345909] [2024-11-19 09:10:34,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956345909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:10:34,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1908563881] [2024-11-19 09:10:34,907 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:10:34,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-19 09:10:34,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-19 09:10:34,908 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 09:10:34,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process