./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_SAX_nondet_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:23:06,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:23:06,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-19 06:23:06,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:23:06,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:23:06,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:23:06,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:23:06,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:23:06,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:23:06,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:23:06,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:23:06,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:23:06,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:23:06,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:23:06,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:23:06,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:23:06,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:23:06,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:23:06,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:23:06,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:23:06,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:23:06,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:23:06,719 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:23:06,719 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:23:06,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:23:06,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:23:06,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:23:06,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:23:06,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:23:06,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:23:06,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:23:06,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:23:06,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:23:06,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:23:06,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:23:06,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:23:06,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:23:06,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:23:06,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:23:06,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:23:06,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:23:06,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:23:06,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:23:06,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:23:06,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:23:06,730 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2024-11-19 06:23:06,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:23:06,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:23:06,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:23:06,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:23:06,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:23:06,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2024-11-19 06:23:08,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:23:08,880 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:23:08,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2024-11-19 06:23:08,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/062835f31/1a606b0433d54cf9933e85ee1661edd5/FLAGd396c3c68 [2024-11-19 06:23:08,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/062835f31/1a606b0433d54cf9933e85ee1661edd5 [2024-11-19 06:23:08,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:23:08,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:23:08,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:23:08,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:23:08,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:23:08,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:23:08" (1/1) ... [2024-11-19 06:23:08,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b52f4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:08, skipping insertion in model container [2024-11-19 06:23:08,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:23:08" (1/1) ... [2024-11-19 06:23:08,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:23:09,298 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:09,330 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 06:23:09,335 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 06:23:09,339 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 06:23:09,344 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 06:23:09,384 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 06:23:09,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:09,389 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 06:23:09,390 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 06:23:09,394 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 06:23:09,397 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 06:23:09,399 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 06:23:09,399 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 06:23:09,407 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 06:23:09,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:23:09,441 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 06:23:09,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30b4004c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:09, skipping insertion in model container [2024-11-19 06:23:09,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:23:09,443 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-19 06:23:09,445 INFO L158 Benchmark]: Toolchain (without parser) took 515.02ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 69.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 06:23:09,445 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:23:09,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.04ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 69.3MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 06:23:09,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.04ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 69.3MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 750]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_SAX_nondet_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:23:12,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:23:12,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-19 06:23:12,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:23:12,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:23:12,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:23:12,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:23:12,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:23:12,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:23:12,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:23:12,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:23:12,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:23:12,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:23:12,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:23:12,115 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:23:12,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:23:12,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:23:12,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:23:12,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:23:12,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:23:12,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:23:12,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:23:12,119 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:23:12,120 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:23:12,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:23:12,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:23:12,120 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:23:12,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 06:23:12,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:23:12,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 06:23:12,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:23:12,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:23:12,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:23:12,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:23:12,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:23:12,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:23:12,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:23:12,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:23:12,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:23:12,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:23:12,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:23:12,138 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 06:23:12,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 06:23:12,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:23:12,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:23:12,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:23:12,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:23:12,139 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2024-11-19 06:23:12,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:23:12,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:23:12,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:23:12,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:23:12,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:23:12,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2024-11-19 06:23:13,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:23:14,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:23:14,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2024-11-19 06:23:14,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd0e66dd/fd924822aca44b8a9bed549b885a700b/FLAG00be596b8 [2024-11-19 06:23:14,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd0e66dd/fd924822aca44b8a9bed549b885a700b [2024-11-19 06:23:14,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:23:14,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:23:14,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:23:14,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:23:14,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:23:14,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:23:14" (1/1) ... [2024-11-19 06:23:14,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b085203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:14, skipping insertion in model container [2024-11-19 06:23:14,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:23:14" (1/1) ... [2024-11-19 06:23:14,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:23:14,972 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 06:23:15,011 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 06:23:15,017 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 06:23:15,023 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 06:23:15,032 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,067 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 06:23:15,070 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 06:23:15,072 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 06:23:15,075 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 06:23:15,077 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 06:23:15,080 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 06:23:15,080 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 06:23:15,084 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 06:23:15,087 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 06:23:15,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:23:15,115 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-19 06:23:15,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:23:15,152 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 06:23:15,176 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 06:23:15,181 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 06:23:15,183 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 06:23:15,190 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 06:23:15,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,220 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 06:23:15,223 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 06:23:15,225 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,226 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,226 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:23:15,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:23:15,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:23:15,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:23:15,391 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:23:15,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15 WrapperNode [2024-11-19 06:23:15,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:23:15,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:23:15,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:23:15,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:23:15,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,483 INFO L138 Inliner]: procedures = 180, calls = 274, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1031 [2024-11-19 06:23:15,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:23:15,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:23:15,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:23:15,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:23:15,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,581 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 218, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-19 06:23:15,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:23:15,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:23:15,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:23:15,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:23:15,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (1/1) ... [2024-11-19 06:23:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:23:15,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:23:15,741 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 06:23:15,745 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 06:23:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-19 06:23:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-19 06:23:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-19 06:23:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 06:23:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 06:23:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 06:23:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 06:23:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 06:23:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 06:23:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 06:23:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 06:23:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 06:23:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 06:23:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 06:23:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:23:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:23:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 06:23:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 06:23:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 06:23:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:23:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 06:23:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 06:23:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 06:23:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 06:23:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 06:23:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 06:23:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:23:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 06:23:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 06:23:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 06:23:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:23:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:23:16,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:23:16,056 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:23:23,336 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-19 06:23:23,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:23:23,358 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:23:23,360 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-19 06:23:23,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:23:23 BoogieIcfgContainer [2024-11-19 06:23:23,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:23:23,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:23:23,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:23:23,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:23:23,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:23:14" (1/3) ... [2024-11-19 06:23:23,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27392a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:23:23, skipping insertion in model container [2024-11-19 06:23:23,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:23:15" (2/3) ... [2024-11-19 06:23:23,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27392a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:23:23, skipping insertion in model container [2024-11-19 06:23:23,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:23:23" (3/3) ... [2024-11-19 06:23:23,371 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test3-1.i [2024-11-19 06:23:23,388 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:23:23,389 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 06:23:23,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:23:23,448 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;@40cc7f2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:23:23,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 06:23:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 192 states have (on average 1.6614583333333333) internal successors, (319), 195 states have internal predecessors, (319), 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 06:23:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 06:23:23,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:23,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 06:23:23,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:23,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1665195, now seen corresponding path program 1 times [2024-11-19 06:23:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:23,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92890577] [2024-11-19 06:23:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:23,473 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 06:23:23,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:23,478 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 06:23:23,480 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 06:23:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:23,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 06:23:23,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:23,718 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_16| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16|)))) is different from true [2024-11-19 06:23:23,719 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 06:23:23,719 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:23,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92890577] [2024-11-19 06:23:23,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92890577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:23,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:23,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:23:23,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813622331] [2024-11-19 06:23:23,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:23,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:23,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:23,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:23,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-19 06:23:23,768 INFO L87 Difference]: Start difference. First operand has 202 states, 192 states have (on average 1.6614583333333333) internal successors, (319), 195 states have internal predecessors, (319), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:25,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 06:23:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:26,009 INFO L93 Difference]: Finished difference Result 297 states and 388 transitions. [2024-11-19 06:23:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:23:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 06:23:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:26,029 INFO L225 Difference]: With dead ends: 297 [2024-11-19 06:23:26,029 INFO L226 Difference]: Without dead ends: 294 [2024-11-19 06:23:26,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-19 06:23:26,033 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 121 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 389 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:26,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 488 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 389 Unchecked, 2.2s Time] [2024-11-19 06:23:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-19 06:23:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 199. [2024-11-19 06:23:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 190 states have (on average 1.2947368421052632) internal successors, (246), 192 states have internal predecessors, (246), 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 06:23:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 256 transitions. [2024-11-19 06:23:26,083 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 256 transitions. Word has length 4 [2024-11-19 06:23:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:26,084 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 256 transitions. [2024-11-19 06:23:26,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 256 transitions. [2024-11-19 06:23:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 06:23:26,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:26,085 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:26,089 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 06:23:26,288 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 06:23:26,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:26,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1471248736, now seen corresponding path program 1 times [2024-11-19 06:23:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:26,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858202298] [2024-11-19 06:23:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:26,290 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 06:23:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:26,311 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 06:23:26,312 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 06:23:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:26,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 06:23:26,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:26,625 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_17| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17|)))) is different from true [2024-11-19 06:23:26,626 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 06:23:26,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:26,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:26,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858202298] [2024-11-19 06:23:26,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858202298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:26,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:26,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:23:26,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182709826] [2024-11-19 06:23:26,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:26,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:26,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:26,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:26,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-19 06:23:26,629 INFO L87 Difference]: Start difference. First operand 199 states and 256 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 06:23:30,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 06:23:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:31,079 INFO L93 Difference]: Finished difference Result 295 states and 384 transitions. [2024-11-19 06:23:31,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:23:31,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-19 06:23:31,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:31,089 INFO L225 Difference]: With dead ends: 295 [2024-11-19 06:23:31,089 INFO L226 Difference]: Without dead ends: 293 [2024-11-19 06:23:31,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-19 06:23:31,090 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 113 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 383 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:31,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 485 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 1 Unknown, 383 Unchecked, 4.4s Time] [2024-11-19 06:23:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-19 06:23:31,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 269. [2024-11-19 06:23:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 258 states have (on average 1.302325581395349) internal successors, (336), 260 states have internal predecessors, (336), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 06:23:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2024-11-19 06:23:31,105 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 12 [2024-11-19 06:23:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:31,105 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2024-11-19 06:23:31,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 06:23:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2024-11-19 06:23:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 06:23:31,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:31,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:31,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 06:23:31,307 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 06:23:31,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:31,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash -84302715, now seen corresponding path program 1 times [2024-11-19 06:23:31,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:31,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265136036] [2024-11-19 06:23:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:31,309 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 06:23:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:31,312 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 06:23:31,313 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 06:23:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:31,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 06:23:31,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:31,619 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 06:23:31,620 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:31,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:31,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265136036] [2024-11-19 06:23:31,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265136036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:31,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:31,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:23:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805443548] [2024-11-19 06:23:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:31,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:31,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:31,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:31,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:23:31,626 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:35,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 06:23:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:38,594 INFO L93 Difference]: Finished difference Result 358 states and 465 transitions. [2024-11-19 06:23:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:23:38,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 06:23:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:38,599 INFO L225 Difference]: With dead ends: 358 [2024-11-19 06:23:38,599 INFO L226 Difference]: Without dead ends: 356 [2024-11-19 06:23:38,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 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 06:23:38,600 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 136 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:38,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 687 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2024-11-19 06:23:38,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-19 06:23:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 355. [2024-11-19 06:23:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 344 states have (on average 1.302325581395349) internal successors, (448), 347 states have internal predecessors, (448), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 06:23:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 462 transitions. [2024-11-19 06:23:38,645 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 462 transitions. Word has length 15 [2024-11-19 06:23:38,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:38,645 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 462 transitions. [2024-11-19 06:23:38,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 462 transitions. [2024-11-19 06:23:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 06:23:38,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:38,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:38,662 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 06:23:38,853 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 06:23:38,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:38,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:38,855 INFO L85 PathProgramCache]: Analyzing trace with hash -100457035, now seen corresponding path program 1 times [2024-11-19 06:23:38,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:38,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027889904] [2024-11-19 06:23:38,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:38,859 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 06:23:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:38,864 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 06:23:38,865 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 06:23:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:39,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 06:23:39,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:39,105 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 06:23:39,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:39,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:39,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027889904] [2024-11-19 06:23:39,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027889904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:39,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:39,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:23:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156965747] [2024-11-19 06:23:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:39,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:39,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:39,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:39,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:23:39,111 INFO L87 Difference]: Start difference. First operand 355 states and 462 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:39,223 INFO L93 Difference]: Finished difference Result 364 states and 447 transitions. [2024-11-19 06:23:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:23:39,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-19 06:23:39,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:39,225 INFO L225 Difference]: With dead ends: 364 [2024-11-19 06:23:39,225 INFO L226 Difference]: Without dead ends: 364 [2024-11-19 06:23:39,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:23:39,228 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 30 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:39,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 659 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:23:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-19 06:23:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-19 06:23:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 353 states have (on average 1.226628895184136) internal successors, (433), 356 states have internal predecessors, (433), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 06:23:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 447 transitions. [2024-11-19 06:23:39,242 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 447 transitions. Word has length 51 [2024-11-19 06:23:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:39,243 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 447 transitions. [2024-11-19 06:23:39,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 447 transitions. [2024-11-19 06:23:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 06:23:39,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:39,244 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:39,250 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 06:23:39,448 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 06:23:39,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:39,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:39,449 INFO L85 PathProgramCache]: Analyzing trace with hash 314719657, now seen corresponding path program 1 times [2024-11-19 06:23:39,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:39,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823057067] [2024-11-19 06:23:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:39,449 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 06:23:39,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:39,451 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 06:23:39,452 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 06:23:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:39,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 06:23:39,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:39,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:23:39,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:23:39,699 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:23:39,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-19 06:23:39,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 06:23:39,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-19 06:23:39,832 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 06:23:39,834 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:39,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823057067] [2024-11-19 06:23:39,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823057067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:39,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:39,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:23:39,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130209207] [2024-11-19 06:23:39,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:39,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:23:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:39,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:23:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:23:39,838 INFO L87 Difference]: Start difference. First operand 364 states and 447 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:40,305 INFO L93 Difference]: Finished difference Result 365 states and 454 transitions. [2024-11-19 06:23:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:23:40,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-19 06:23:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:40,308 INFO L225 Difference]: With dead ends: 365 [2024-11-19 06:23:40,309 INFO L226 Difference]: Without dead ends: 362 [2024-11-19 06:23:40,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:23:40,309 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 108 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:40,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 926 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 06:23:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-19 06:23:40,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 315. [2024-11-19 06:23:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 305 states have (on average 1.2426229508196722) internal successors, (379), 308 states have internal predecessors, (379), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 06:23:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 391 transitions. [2024-11-19 06:23:40,318 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 391 transitions. Word has length 51 [2024-11-19 06:23:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:40,318 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 391 transitions. [2024-11-19 06:23:40,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:23:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 391 transitions. [2024-11-19 06:23:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 06:23:40,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:40,321 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:40,332 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 06:23:40,521 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 06:23:40,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:40,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1762453351, now seen corresponding path program 1 times [2024-11-19 06:23:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:40,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115738447] [2024-11-19 06:23:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:40,524 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 06:23:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:40,530 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 06:23:40,531 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 06:23:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:40,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 06:23:40,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 06:23:40,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:40,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115738447] [2024-11-19 06:23:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115738447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:23:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430974647] [2024-11-19 06:23:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:40,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:23:40,940 INFO L87 Difference]: Start difference. First operand 315 states and 391 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:41,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:41,031 INFO L93 Difference]: Finished difference Result 321 states and 381 transitions. [2024-11-19 06:23:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:23:41,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-19 06:23:41,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:41,033 INFO L225 Difference]: With dead ends: 321 [2024-11-19 06:23:41,033 INFO L226 Difference]: Without dead ends: 321 [2024-11-19 06:23:41,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 06:23:41,034 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 33 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:41,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 623 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:23:41,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-19 06:23:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-19 06:23:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 311 states have (on average 1.1864951768488745) internal successors, (369), 314 states have internal predecessors, (369), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 06:23:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 381 transitions. [2024-11-19 06:23:41,042 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 381 transitions. Word has length 83 [2024-11-19 06:23:41,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:41,042 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 381 transitions. [2024-11-19 06:23:41,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 381 transitions. [2024-11-19 06:23:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 06:23:41,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:41,043 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:41,059 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 06:23:41,244 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 06:23:41,245 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:41,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1587038473, now seen corresponding path program 1 times [2024-11-19 06:23:41,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:41,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507403464] [2024-11-19 06:23:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:41,246 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 06:23:41,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:41,249 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 06:23:41,250 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 06:23:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:41,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:23:41,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 06:23:41,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:41,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:41,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507403464] [2024-11-19 06:23:41,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507403464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:41,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:41,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:23:41,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865129045] [2024-11-19 06:23:41,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:41,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:23:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:23:41,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:23:41,667 INFO L87 Difference]: Start difference. First operand 321 states and 381 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:41,719 INFO L93 Difference]: Finished difference Result 309 states and 361 transitions. [2024-11-19 06:23:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:23:41,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-19 06:23:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:41,721 INFO L225 Difference]: With dead ends: 309 [2024-11-19 06:23:41,721 INFO L226 Difference]: Without dead ends: 309 [2024-11-19 06:23:41,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:23:41,722 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 8 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:41,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 623 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:23:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-19 06:23:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-19 06:23:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 299 states have (on average 1.1672240802675586) internal successors, (349), 302 states have internal predecessors, (349), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 06:23:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 361 transitions. [2024-11-19 06:23:41,727 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 361 transitions. Word has length 83 [2024-11-19 06:23:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:41,727 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 361 transitions. [2024-11-19 06:23:41,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 361 transitions. [2024-11-19 06:23:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 06:23:41,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:41,729 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:41,739 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 06:23:41,929 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 06:23:41,929 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:41,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1389138447, now seen corresponding path program 1 times [2024-11-19 06:23:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466588569] [2024-11-19 06:23:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:41,930 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 06:23:41,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:41,933 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 06:23:41,934 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 06:23:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:42,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 06:23:42,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:23:42,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:42,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:42,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466588569] [2024-11-19 06:23:42,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466588569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:42,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:42,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:23:42,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156565663] [2024-11-19 06:23:42,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:42,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:42,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:23:42,322 INFO L87 Difference]: Start difference. First operand 309 states and 361 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 06:23:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:42,348 INFO L93 Difference]: Finished difference Result 312 states and 365 transitions. [2024-11-19 06:23:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:23:42,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-19 06:23:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:42,351 INFO L225 Difference]: With dead ends: 312 [2024-11-19 06:23:42,351 INFO L226 Difference]: Without dead ends: 312 [2024-11-19 06:23:42,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 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 06:23:42,352 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:42,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 677 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:23:42,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-19 06:23:42,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-11-19 06:23:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 301 states have (on average 1.169435215946844) internal successors, (352), 305 states have internal predecessors, (352), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 06:23:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 365 transitions. [2024-11-19 06:23:42,357 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 365 transitions. Word has length 83 [2024-11-19 06:23:42,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:42,358 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 365 transitions. [2024-11-19 06:23:42,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 06:23:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 365 transitions. [2024-11-19 06:23:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 06:23:42,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:42,359 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:42,371 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 06:23:42,563 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 06:23:42,564 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:42,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash -351128625, now seen corresponding path program 1 times [2024-11-19 06:23:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503413906] [2024-11-19 06:23:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:42,565 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 06:23:42,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:42,568 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 06:23:42,569 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 06:23:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:42,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:23:42,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:23:43,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:23:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 06:23:43,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:43,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503413906] [2024-11-19 06:23:43,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503413906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:23:43,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:23:43,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-19 06:23:43,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838792008] [2024-11-19 06:23:43,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:23:43,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 06:23:43,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:43,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 06:23:43,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 06:23:43,136 INFO L87 Difference]: Start difference. First operand 312 states and 365 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:43,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:43,286 INFO L93 Difference]: Finished difference Result 323 states and 381 transitions. [2024-11-19 06:23:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 06:23:43,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 85 [2024-11-19 06:23:43,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:43,288 INFO L225 Difference]: With dead ends: 323 [2024-11-19 06:23:43,288 INFO L226 Difference]: Without dead ends: 323 [2024-11-19 06:23:43,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 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 06:23:43,289 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 5 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:43,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 902 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:23:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-19 06:23:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2024-11-19 06:23:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 309 states have (on average 1.1844660194174756) internal successors, (366), 313 states have internal predecessors, (366), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 06:23:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 379 transitions. [2024-11-19 06:23:43,294 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 379 transitions. Word has length 85 [2024-11-19 06:23:43,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:43,295 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 379 transitions. [2024-11-19 06:23:43,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 379 transitions. [2024-11-19 06:23:43,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 06:23:43,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:43,296 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:43,307 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 06:23:43,496 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 06:23:43,497 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:43,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:43,497 INFO L85 PathProgramCache]: Analyzing trace with hash -442747343, now seen corresponding path program 2 times [2024-11-19 06:23:43,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:43,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595262628] [2024-11-19 06:23:43,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 06:23:43,498 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 06:23:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:43,499 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 06:23:43,500 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 06:23:44,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 06:23:44,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:23:44,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 06:23:44,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 06:23:44,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:23:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 06:23:44,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595262628] [2024-11-19 06:23:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595262628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:23:44,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:23:44,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-19 06:23:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174982109] [2024-11-19 06:23:44,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:23:44,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 06:23:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:44,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 06:23:44,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-19 06:23:44,426 INFO L87 Difference]: Start difference. First operand 321 states and 379 transitions. Second operand has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:44,996 INFO L93 Difference]: Finished difference Result 336 states and 401 transitions. [2024-11-19 06:23:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 06:23:44,997 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 89 [2024-11-19 06:23:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:44,999 INFO L225 Difference]: With dead ends: 336 [2024-11-19 06:23:44,999 INFO L226 Difference]: Without dead ends: 332 [2024-11-19 06:23:45,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-19 06:23:45,000 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 8 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:45,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1577 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 06:23:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-19 06:23:45,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2024-11-19 06:23:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 318 states have (on average 1.1886792452830188) internal successors, (378), 322 states have internal predecessors, (378), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 06:23:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 391 transitions. [2024-11-19 06:23:45,009 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 391 transitions. Word has length 89 [2024-11-19 06:23:45,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:45,009 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 391 transitions. [2024-11-19 06:23:45,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 391 transitions. [2024-11-19 06:23:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 06:23:45,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:45,010 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:45,026 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 06:23:45,210 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 06:23:45,211 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:45,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:45,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1791477403, now seen corresponding path program 3 times [2024-11-19 06:23:45,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:45,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116834661] [2024-11-19 06:23:45,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 06:23:45,213 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 06:23:45,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:45,214 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 06:23:45,216 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 (12)] Waiting until timeout for monitored process [2024-11-19 06:23:45,656 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 06:23:45,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:23:45,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:23:45,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-19 06:23:45,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:23:45,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116834661] [2024-11-19 06:23:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116834661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:23:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:23:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:23:45,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221414030] [2024-11-19 06:23:45,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:23:45,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:23:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:45,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:23:45,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:23:45,822 INFO L87 Difference]: Start difference. First operand 330 states and 391 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:50,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 06:23:53,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 06:23:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:56,012 INFO L93 Difference]: Finished difference Result 423 states and 505 transitions. [2024-11-19 06:23:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:23:56,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-19 06:23:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:56,015 INFO L225 Difference]: With dead ends: 423 [2024-11-19 06:23:56,016 INFO L226 Difference]: Without dead ends: 423 [2024-11-19 06:23:56,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 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 06:23:56,016 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 423 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:56,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 391 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2024-11-19 06:23:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-19 06:23:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2024-11-19 06:23:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 406 states have (on average 1.1945812807881773) internal successors, (485), 411 states have internal predecessors, (485), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 06:23:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 500 transitions. [2024-11-19 06:23:56,025 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 500 transitions. Word has length 98 [2024-11-19 06:23:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:56,026 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 500 transitions. [2024-11-19 06:23:56,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:23:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 500 transitions. [2024-11-19 06:23:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 06:23:56,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:56,027 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:56,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-19 06:23:56,234 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 06:23:56,235 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash 725551466, now seen corresponding path program 1 times [2024-11-19 06:23:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:56,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496224565] [2024-11-19 06:23:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:23:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 06:23:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:56,241 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 06:23:56,246 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 06:23:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:23:56,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 06:23:56,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:23:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 06:23:56,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:23:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 06:23:57,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:23:57,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496224565] [2024-11-19 06:23:57,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496224565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:23:57,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:23:57,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-19 06:23:57,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714794007] [2024-11-19 06:23:57,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:23:57,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 06:23:57,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:23:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 06:23:57,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-19 06:23:57,465 INFO L87 Difference]: Start difference. First operand 419 states and 500 transitions. Second operand has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:59,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:23:59,244 INFO L93 Difference]: Finished difference Result 443 states and 540 transitions. [2024-11-19 06:23:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-19 06:23:59,245 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-19 06:23:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:23:59,246 INFO L225 Difference]: With dead ends: 443 [2024-11-19 06:23:59,246 INFO L226 Difference]: Without dead ends: 439 [2024-11-19 06:23:59,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 06:23:59,247 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 14 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3150 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 06:23:59,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3150 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 06:23:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-19 06:23:59,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 437. [2024-11-19 06:23:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 424 states have (on average 1.2004716981132075) internal successors, (509), 429 states have internal predecessors, (509), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 06:23:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 524 transitions. [2024-11-19 06:23:59,256 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 524 transitions. Word has length 101 [2024-11-19 06:23:59,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:23:59,256 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 524 transitions. [2024-11-19 06:23:59,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:23:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 524 transitions. [2024-11-19 06:23:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 06:23:59,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:23:59,258 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:23:59,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-19 06:23:59,459 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 06:23:59,459 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:23:59,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:23:59,460 INFO L85 PathProgramCache]: Analyzing trace with hash 936497706, now seen corresponding path program 2 times [2024-11-19 06:23:59,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:23:59,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891703661] [2024-11-19 06:23:59,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 06:23:59,462 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 06:23:59,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:23:59,464 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 06:23:59,467 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 06:24:00,029 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 06:24:00,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:24:00,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 06:24:00,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:24:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 281 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 06:24:00,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:24:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-19 06:24:02,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:24:02,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891703661] [2024-11-19 06:24:02,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891703661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:24:02,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:24:02,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-19 06:24:02,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243857119] [2024-11-19 06:24:02,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:24:02,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 06:24:02,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:24:02,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 06:24:02,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 06:24:02,655 INFO L87 Difference]: Start difference. First operand 437 states and 524 transitions. Second operand has 50 states, 50 states have (on average 2.66) internal successors, (133), 50 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:24:09,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:24:09,436 INFO L93 Difference]: Finished difference Result 477 states and 596 transitions. [2024-11-19 06:24:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-19 06:24:09,438 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.66) internal successors, (133), 50 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-19 06:24:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:24:09,443 INFO L225 Difference]: With dead ends: 477 [2024-11-19 06:24:09,446 INFO L226 Difference]: Without dead ends: 473 [2024-11-19 06:24:09,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-19 06:24:09,449 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 25 mSDsluCounter, 6066 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 6293 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:24:09,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 6293 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 06:24:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-19 06:24:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2024-11-19 06:24:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 458 states have (on average 1.2117903930131004) internal successors, (555), 463 states have internal predecessors, (555), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 06:24:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 570 transitions. [2024-11-19 06:24:09,462 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 570 transitions. Word has length 119 [2024-11-19 06:24:09,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:24:09,462 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 570 transitions. [2024-11-19 06:24:09,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.66) internal successors, (133), 50 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:24:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 570 transitions. [2024-11-19 06:24:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-19 06:24:09,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:24:09,464 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:24:09,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-19 06:24:09,669 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 06:24:09,670 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:24:09,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:24:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1297500714, now seen corresponding path program 3 times [2024-11-19 06:24:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:24:09,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729363927] [2024-11-19 06:24:09,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 06:24:09,672 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 06:24:09,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:24:09,674 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 06:24:09,675 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 06:24:10,180 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 06:24:10,181 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:24:10,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 06:24:10,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:24:10,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:24:10,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:24:10,475 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 06:24:10,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-19 06:24:10,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 06:24:10,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-19 06:24:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2024-11-19 06:24:10,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:24:10,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:24:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729363927] [2024-11-19 06:24:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729363927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:24:10,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:24:10,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 06:24:10,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211288347] [2024-11-19 06:24:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:24:10,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:24:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:24:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:24:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:24:10,579 INFO L87 Difference]: Start difference. First operand 471 states and 570 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:24:10,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:24:10,880 INFO L93 Difference]: Finished difference Result 581 states and 704 transitions. [2024-11-19 06:24:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:24:10,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 153 [2024-11-19 06:24:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:24:10,886 INFO L225 Difference]: With dead ends: 581 [2024-11-19 06:24:10,886 INFO L226 Difference]: Without dead ends: 581 [2024-11-19 06:24:10,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:24:10,886 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 237 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 06:24:10,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 690 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 06:24:10,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-19 06:24:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 473. [2024-11-19 06:24:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 460 states have (on average 1.2108695652173913) internal successors, (557), 465 states have internal predecessors, (557), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 06:24:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 572 transitions. [2024-11-19 06:24:10,909 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 572 transitions. Word has length 153 [2024-11-19 06:24:10,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:24:10,909 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 572 transitions. [2024-11-19 06:24:10,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 06:24:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 572 transitions. [2024-11-19 06:24:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-19 06:24:10,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:24:10,914 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:24:10,933 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 06:24:11,115 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 06:24:11,115 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:24:11,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:24:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1241211880, now seen corresponding path program 1 times [2024-11-19 06:24:11,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:24:11,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686439969] [2024-11-19 06:24:11,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:24:11,116 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 06:24:11,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:24:11,119 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 06:24:11,120 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 06:24:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:24:12,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 06:24:12,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:24:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-19 06:24:13,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:24:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-19 06:24:14,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:24:14,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686439969] [2024-11-19 06:24:14,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686439969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:24:14,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:24:14,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-19 06:24:14,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333238750] [2024-11-19 06:24:14,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:24:14,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-19 06:24:14,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:24:14,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-19 06:24:14,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-19 06:24:14,976 INFO L87 Difference]: Start difference. First operand 473 states and 572 transitions. Second operand has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 06:24:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:24:21,164 INFO L93 Difference]: Finished difference Result 502 states and 626 transitions. [2024-11-19 06:24:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-19 06:24:21,165 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 197 [2024-11-19 06:24:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:24:21,166 INFO L225 Difference]: With dead ends: 502 [2024-11-19 06:24:21,166 INFO L226 Difference]: Without dead ends: 502 [2024-11-19 06:24:21,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-19 06:24:21,168 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 27 mSDsluCounter, 5602 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 5828 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 06:24:21,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 5828 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 06:24:21,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-19 06:24:21,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 498. [2024-11-19 06:24:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 485 states have (on average 1.2515463917525773) internal successors, (607), 490 states have internal predecessors, (607), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 06:24:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 622 transitions. [2024-11-19 06:24:21,175 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 622 transitions. Word has length 197 [2024-11-19 06:24:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:24:21,176 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 622 transitions. [2024-11-19 06:24:21,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 52 states have internal predecessors, (175), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 06:24:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 622 transitions. [2024-11-19 06:24:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-19 06:24:21,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:24:21,178 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:24:21,200 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 06:24:21,381 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 06:24:21,382 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:24:21,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:24:21,383 INFO L85 PathProgramCache]: Analyzing trace with hash 632358466, now seen corresponding path program 2 times [2024-11-19 06:24:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 06:24:21,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471411663] [2024-11-19 06:24:21,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 06:24:21,384 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 06:24:21,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 06:24:21,385 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 06:24:21,386 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 06:24:23,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 06:24:23,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:24:23,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-19 06:24:23,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:24:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-19 06:24:24,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:24:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-19 06:24:31,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 06:24:31,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471411663] [2024-11-19 06:24:31,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471411663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:24:31,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 06:24:31,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-19 06:24:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677029744] [2024-11-19 06:24:31,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 06:24:31,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-19 06:24:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 06:24:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-19 06:24:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-19 06:24:31,756 INFO L87 Difference]: Start difference. First operand 498 states and 622 transitions. Second operand has 102 states, 102 states have (on average 2.2058823529411766) internal successors, (225), 102 states have internal predecessors, (225), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)