./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:16:06,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:16:06,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 09:16:06,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:16:06,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:16:06,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:16:06,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:16:06,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:16:06,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:16:06,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:16:06,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:16:06,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:16:06,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:16:06,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:16:06,248 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:16:06,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:16:06,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:16:06,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:16:06,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:16:06,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:16:06,253 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:16:06,257 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:16:06,258 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:16:06,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:16:06,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:16:06,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:16:06,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:16:06,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:16:06,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:16:06,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:16:06,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:16:06,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:16:06,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:16:06,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:16:06,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:16:06,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:16:06,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:16:06,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:16:06,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:16:06,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:16:06,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:16:06,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:16:06,265 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2024-11-19 09:16:06,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:16:06,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:16:06,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:16:06,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:16:06,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:16:06,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-11-19 09:16:08,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:16:08,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:16:08,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-11-19 09:16:08,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b692ccdf/2b6fe52e96714a44891fed0579a54e31/FLAG1de01e265 [2024-11-19 09:16:08,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b692ccdf/2b6fe52e96714a44891fed0579a54e31 [2024-11-19 09:16:08,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:16:08,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:16:08,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:16:08,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:16:08,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:16:08,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:08" (1/1) ... [2024-11-19 09:16:08,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab90aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:08, skipping insertion in model container [2024-11-19 09:16:08,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:08" (1/1) ... [2024-11-19 09:16:08,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:16:08,942 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:08,974 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:08,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:08,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:08,993 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,026 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,037 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,045 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,080 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 09:16:09,086 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,096 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,103 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,110 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,111 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,112 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:09,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:16:09,139 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-19 09:16:09,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4282b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:09, skipping insertion in model container [2024-11-19 09:16:09,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:16:09,141 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-19 09:16:09,143 INFO L158 Benchmark]: Toolchain (without parser) took 737.05ms. Allocated memory is still 161.5MB. Free memory was 102.2MB in the beginning and 74.1MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 09:16:09,143 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 09:16:09,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.34ms. Allocated memory is still 161.5MB. Free memory was 102.2MB in the beginning and 74.1MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 09:16:09,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.34ms. Allocated memory is still 161.5MB. Free memory was 102.2MB in the beginning and 74.1MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 760]: 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_SFH_test5-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:16:11,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:16:11,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-19 09:16:11,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:16:11,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:16:11,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:16:11,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:16:11,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:16:11,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:16:11,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:16:11,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:16:11,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:16:11,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:16:11,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:16:11,224 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:16:11,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:16:11,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:16:11,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:16:11,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:16:11,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:16:11,229 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:16:11,231 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:16:11,231 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:16:11,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:16:11,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:16:11,232 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 09:16:11,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:16:11,232 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 09:16:11,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:16:11,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:16:11,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:16:11,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:16:11,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:16:11,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:16:11,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:16:11,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:16:11,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:16:11,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:16:11,235 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 09:16:11,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 09:16:11,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:16:11,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:16:11,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:16:11,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:16:11,237 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2024-11-19 09:16:11,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:16:11,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:16:11,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:16:11,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:16:11,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:16:11,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-11-19 09:16:13,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:16:13,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:16:13,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2024-11-19 09:16:13,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3c91416/31471793947e4c82b26fe86db92313c1/FLAG101f17f42 [2024-11-19 09:16:13,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3c91416/31471793947e4c82b26fe86db92313c1 [2024-11-19 09:16:13,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:16:13,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:16:13,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:16:13,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:16:13,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:16:13,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:13" (1/1) ... [2024-11-19 09:16:13,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa5af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:13, skipping insertion in model container [2024-11-19 09:16:13,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:13" (1/1) ... [2024-11-19 09:16:13,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:16:14,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,342 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,345 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,350 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,407 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 09:16:14,409 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,414 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,421 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,456 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,462 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:16:14,491 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-19 09:16:14,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:16:14,535 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,550 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,554 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,573 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,575 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,594 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,594 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,599 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,601 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,601 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,605 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,605 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,606 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 09:16:14,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:16:14,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:16:14,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:16:14,737 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:16:14,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14 WrapperNode [2024-11-19 09:16:14,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:16:14,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:16:14,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:16:14,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:16:14,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:14,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:14,880 INFO L138 Inliner]: procedures = 180, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1759 [2024-11-19 09:16:14,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:16:14,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:16:14,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:16:14,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:16:14,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:14,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:14,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,068 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 24, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 1, 98]. [2024-11-19 09:16:15,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:16:15,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:16:15,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:16:15,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:16:15,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (1/1) ... [2024-11-19 09:16:15,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:16:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:16:15,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 09:16:15,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 09:16:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 09:16:15,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 09:16:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-19 09:16:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-19 09:16:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-19 09:16:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 09:16:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 09:16:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 09:16:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 09:16:15,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 09:16:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 09:16:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 09:16:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 09:16:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 09:16:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 09:16:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 09:16:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 09:16:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:16:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 09:16:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 09:16:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:16:15,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:16:15,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:16:15,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:16:15,634 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:16:15,673 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:16:15,694 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 09:16:21,460 INFO L? ?]: Removed 1907 outVars from TransFormulas that were not future-live. [2024-11-19 09:16:21,461 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:16:21,516 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:16:21,516 INFO L316 CfgBuilder]: Removed 100 assume(true) statements. [2024-11-19 09:16:21,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:16:21 BoogieIcfgContainer [2024-11-19 09:16:21,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:16:21,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:16:21,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:16:21,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:16:21,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:16:13" (1/3) ... [2024-11-19 09:16:21,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713353b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:16:21, skipping insertion in model container [2024-11-19 09:16:21,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:14" (2/3) ... [2024-11-19 09:16:21,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713353b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:16:21, skipping insertion in model container [2024-11-19 09:16:21,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:16:21" (3/3) ... [2024-11-19 09:16:21,526 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-3.i [2024-11-19 09:16:21,542 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:16:21,543 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 915 error locations. [2024-11-19 09:16:21,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:16:21,633 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;@53b5b599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:16:21,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 915 error locations. [2024-11-19 09:16:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 1824 states, 898 states have (on average 2.2371937639198216) internal successors, (2009), 1814 states have internal predecessors, (2009), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 09:16:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 09:16:21,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:21,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 09:16:21,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:21,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:21,653 INFO L85 PathProgramCache]: Analyzing trace with hash 63053744, now seen corresponding path program 1 times [2024-11-19 09:16:21,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:21,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981416] [2024-11-19 09:16:21,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:21,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:21,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:21,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 09:16:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:21,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 09:16:21,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:21,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:21,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:21,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981416] [2024-11-19 09:16:21,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:21,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:21,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:16:21,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993076281] [2024-11-19 09:16:21,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:21,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 09:16:21,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 09:16:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 09:16:21,955 INFO L87 Difference]: Start difference. First operand has 1824 states, 898 states have (on average 2.2371937639198216) internal successors, (2009), 1814 states have internal predecessors, (2009), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:22,098 INFO L93 Difference]: Finished difference Result 1804 states and 1905 transitions. [2024-11-19 09:16:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 09:16:22,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-11-19 09:16:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:22,143 INFO L225 Difference]: With dead ends: 1804 [2024-11-19 09:16:22,143 INFO L226 Difference]: Without dead ends: 1802 [2024-11-19 09:16:22,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 09:16:22,156 INFO L432 NwaCegarLoop]: 1905 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:22,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:16:22,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2024-11-19 09:16:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1802. [2024-11-19 09:16:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 888 states have (on average 2.115990990990991) internal successors, (1879), 1792 states have internal predecessors, (1879), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 1903 transitions. [2024-11-19 09:16:22,334 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 1903 transitions. Word has length 5 [2024-11-19 09:16:22,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:22,334 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 1903 transitions. [2024-11-19 09:16:22,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 1903 transitions. [2024-11-19 09:16:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 09:16:22,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:22,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 09:16:22,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-19 09:16:22,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:22,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:22,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:22,545 INFO L85 PathProgramCache]: Analyzing trace with hash 63053806, now seen corresponding path program 1 times [2024-11-19 09:16:22,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:22,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310066689] [2024-11-19 09:16:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:22,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:22,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:22,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-19 09:16:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:22,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:16:22,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:22,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-19 09:16:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:22,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:22,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310066689] [2024-11-19 09:16:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310066689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:22,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:22,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:16:22,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385149627] [2024-11-19 09:16:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:22,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:16:22,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:22,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:16:22,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:22,792 INFO L87 Difference]: Start difference. First operand 1802 states and 1903 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:25,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:25,081 INFO L93 Difference]: Finished difference Result 1938 states and 2071 transitions. [2024-11-19 09:16:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:16:25,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-19 09:16:25,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:25,090 INFO L225 Difference]: With dead ends: 1938 [2024-11-19 09:16:25,091 INFO L226 Difference]: Without dead ends: 1938 [2024-11-19 09:16:25,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:25,093 INFO L432 NwaCegarLoop]: 1368 mSDtfsCounter, 1264 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:25,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 1742 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 09:16:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2024-11-19 09:16:25,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1710. [2024-11-19 09:16:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 888 states have (on average 2.0123873873873874) internal successors, (1787), 1700 states have internal predecessors, (1787), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 1811 transitions. [2024-11-19 09:16:25,128 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 1811 transitions. Word has length 5 [2024-11-19 09:16:25,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:25,128 INFO L471 AbstractCegarLoop]: Abstraction has 1710 states and 1811 transitions. [2024-11-19 09:16:25,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 1811 transitions. [2024-11-19 09:16:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 09:16:25,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:25,129 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 09:16:25,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-19 09:16:25,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:25,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:25,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:25,331 INFO L85 PathProgramCache]: Analyzing trace with hash 63053807, now seen corresponding path program 1 times [2024-11-19 09:16:25,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:25,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548282814] [2024-11-19 09:16:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:25,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:25,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:25,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:25,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-19 09:16:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:25,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:16:25,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:25,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 09:16:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:25,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:25,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:25,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548282814] [2024-11-19 09:16:25,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548282814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:25,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:25,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:16:25,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715286979] [2024-11-19 09:16:25,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:25,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:16:25,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:25,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:16:25,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:25,503 INFO L87 Difference]: Start difference. First operand 1710 states and 1811 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:28,148 INFO L93 Difference]: Finished difference Result 2256 states and 2408 transitions. [2024-11-19 09:16:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:16:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-19 09:16:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:28,155 INFO L225 Difference]: With dead ends: 2256 [2024-11-19 09:16:28,155 INFO L226 Difference]: Without dead ends: 2256 [2024-11-19 09:16:28,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:28,156 INFO L432 NwaCegarLoop]: 1732 mSDtfsCounter, 768 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2539 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:28,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2539 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 09:16:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2024-11-19 09:16:28,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1877. [2024-11-19 09:16:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1065 states have (on average 1.9784037558685446) internal successors, (2107), 1867 states have internal predecessors, (2107), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2131 transitions. [2024-11-19 09:16:28,190 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2131 transitions. Word has length 5 [2024-11-19 09:16:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:28,190 INFO L471 AbstractCegarLoop]: Abstraction has 1877 states and 2131 transitions. [2024-11-19 09:16:28,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2131 transitions. [2024-11-19 09:16:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 09:16:28,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:28,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 09:16:28,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-19 09:16:28,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:28,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr620REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:28,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:28,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1956327503, now seen corresponding path program 1 times [2024-11-19 09:16:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:28,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841130686] [2024-11-19 09:16:28,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:28,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:28,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:28,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-19 09:16:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:28,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 09:16:28,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:28,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:28,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:28,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841130686] [2024-11-19 09:16:28,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841130686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:28,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:28,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:28,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078708542] [2024-11-19 09:16:28,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:28,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:16:28,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:16:28,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:28,546 INFO L87 Difference]: Start difference. First operand 1877 states and 2131 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:28,681 INFO L93 Difference]: Finished difference Result 3354 states and 3843 transitions. [2024-11-19 09:16:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:16:28,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 09:16:28,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:28,696 INFO L225 Difference]: With dead ends: 3354 [2024-11-19 09:16:28,696 INFO L226 Difference]: Without dead ends: 3354 [2024-11-19 09:16:28,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:28,697 INFO L432 NwaCegarLoop]: 1797 mSDtfsCounter, 1357 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:28,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 3587 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 09:16:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2024-11-19 09:16:28,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 1879. [2024-11-19 09:16:28,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1067 states have (on average 1.9765698219306467) internal successors, (2109), 1869 states have internal predecessors, (2109), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2133 transitions. [2024-11-19 09:16:28,741 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2133 transitions. Word has length 6 [2024-11-19 09:16:28,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:28,741 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2133 transitions. [2024-11-19 09:16:28,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2133 transitions. [2024-11-19 09:16:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 09:16:28,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:28,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:28,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-19 09:16:28,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:28,943 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:28,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:28,943 INFO L85 PathProgramCache]: Analyzing trace with hash -408167560, now seen corresponding path program 1 times [2024-11-19 09:16:28,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:28,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766287161] [2024-11-19 09:16:28,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:28,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:28,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:28,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:28,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-19 09:16:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:29,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 09:16:29,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:29,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:29,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:29,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766287161] [2024-11-19 09:16:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766287161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:29,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694100115] [2024-11-19 09:16:29,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:29,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:16:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:16:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:29,128 INFO L87 Difference]: Start difference. First operand 1879 states and 2133 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:29,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:29,163 INFO L93 Difference]: Finished difference Result 1837 states and 2090 transitions. [2024-11-19 09:16:29,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:16:29,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-19 09:16:29,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:29,170 INFO L225 Difference]: With dead ends: 1837 [2024-11-19 09:16:29,171 INFO L226 Difference]: Without dead ends: 1837 [2024-11-19 09:16:29,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:29,172 INFO L432 NwaCegarLoop]: 1746 mSDtfsCounter, 71 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:29,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 3429 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:16:29,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2024-11-19 09:16:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1837. [2024-11-19 09:16:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1049 states have (on average 1.9694947569113441) internal successors, (2066), 1827 states have internal predecessors, (2066), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2090 transitions. [2024-11-19 09:16:29,205 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2090 transitions. Word has length 11 [2024-11-19 09:16:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:29,206 INFO L471 AbstractCegarLoop]: Abstraction has 1837 states and 2090 transitions. [2024-11-19 09:16:29,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2090 transitions. [2024-11-19 09:16:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 09:16:29,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:29,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:29,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-19 09:16:29,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:29,408 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:29,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1407004526, now seen corresponding path program 1 times [2024-11-19 09:16:29,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:29,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191932749] [2024-11-19 09:16:29,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:29,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:29,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:29,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:29,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-19 09:16:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:29,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:16:29,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:29,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:29,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191932749] [2024-11-19 09:16:29,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191932749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:29,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:16:29,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670686367] [2024-11-19 09:16:29,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:29,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:29,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:29,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:29,600 INFO L87 Difference]: Start difference. First operand 1837 states and 2090 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:29,688 INFO L93 Difference]: Finished difference Result 1815 states and 2061 transitions. [2024-11-19 09:16:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:16:29,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 09:16:29,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:29,695 INFO L225 Difference]: With dead ends: 1815 [2024-11-19 09:16:29,695 INFO L226 Difference]: Without dead ends: 1815 [2024-11-19 09:16:29,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:29,699 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 48 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5077 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:29,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5077 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:16:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2024-11-19 09:16:29,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2024-11-19 09:16:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1041 states have (on average 1.956772334293948) internal successors, (2037), 1805 states have internal predecessors, (2037), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2061 transitions. [2024-11-19 09:16:29,728 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2061 transitions. Word has length 13 [2024-11-19 09:16:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:29,728 INFO L471 AbstractCegarLoop]: Abstraction has 1815 states and 2061 transitions. [2024-11-19 09:16:29,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2061 transitions. [2024-11-19 09:16:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 09:16:29,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:29,732 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] [2024-11-19 09:16:29,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-19 09:16:29,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:29,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:29,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:29,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1466507840, now seen corresponding path program 1 times [2024-11-19 09:16:29,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:29,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512002831] [2024-11-19 09:16:29,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:29,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:29,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:29,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-19 09:16:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:30,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:16:30,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:30,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-19 09:16:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:30,169 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:30,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512002831] [2024-11-19 09:16:30,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512002831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:30,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:30,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:30,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985791273] [2024-11-19 09:16:30,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:30,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:30,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:30,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:30,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:30,171 INFO L87 Difference]: Start difference. First operand 1815 states and 2061 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:32,342 INFO L93 Difference]: Finished difference Result 1815 states and 2061 transitions. [2024-11-19 09:16:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:16:32,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-11-19 09:16:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:32,349 INFO L225 Difference]: With dead ends: 1815 [2024-11-19 09:16:32,349 INFO L226 Difference]: Without dead ends: 1815 [2024-11-19 09:16:32,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:32,350 INFO L432 NwaCegarLoop]: 1068 mSDtfsCounter, 1201 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:32,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 2080 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-19 09:16:32,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2024-11-19 09:16:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1811. [2024-11-19 09:16:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1041 states have (on average 1.9529298751200768) internal successors, (2033), 1801 states have internal predecessors, (2033), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2057 transitions. [2024-11-19 09:16:32,375 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2057 transitions. Word has length 27 [2024-11-19 09:16:32,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:32,375 INFO L471 AbstractCegarLoop]: Abstraction has 1811 states and 2057 transitions. [2024-11-19 09:16:32,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2057 transitions. [2024-11-19 09:16:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 09:16:32,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:32,377 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] [2024-11-19 09:16:32,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-19 09:16:32,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:32,578 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:32,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1466507841, now seen corresponding path program 1 times [2024-11-19 09:16:32,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:32,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526653303] [2024-11-19 09:16:32,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:32,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:32,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:32,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:32,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-19 09:16:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:32,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 09:16:32,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:32,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 09:16:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:32,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:32,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:32,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526653303] [2024-11-19 09:16:32,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526653303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:32,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:32,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:32,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937491699] [2024-11-19 09:16:32,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:32,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:32,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:32,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:32,938 INFO L87 Difference]: Start difference. First operand 1811 states and 2057 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:36,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:36,036 INFO L93 Difference]: Finished difference Result 2191 states and 2335 transitions. [2024-11-19 09:16:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:16:36,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-11-19 09:16:36,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:36,042 INFO L225 Difference]: With dead ends: 2191 [2024-11-19 09:16:36,042 INFO L226 Difference]: Without dead ends: 2191 [2024-11-19 09:16:36,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:36,043 INFO L432 NwaCegarLoop]: 1430 mSDtfsCounter, 701 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:36,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 3067 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 09:16:36,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2024-11-19 09:16:36,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 1807. [2024-11-19 09:16:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1041 states have (on average 1.9490874159462055) internal successors, (2029), 1797 states have internal predecessors, (2029), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2053 transitions. [2024-11-19 09:16:36,070 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2053 transitions. Word has length 27 [2024-11-19 09:16:36,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:36,074 INFO L471 AbstractCegarLoop]: Abstraction has 1807 states and 2053 transitions. [2024-11-19 09:16:36,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2053 transitions. [2024-11-19 09:16:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 09:16:36,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:36,075 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] [2024-11-19 09:16:36,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-19 09:16:36,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:36,276 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:36,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash 240316858, now seen corresponding path program 1 times [2024-11-19 09:16:36,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:36,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608321864] [2024-11-19 09:16:36,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:36,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:36,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:36,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:36,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-19 09:16:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:36,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:16:36,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:36,531 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:36,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:36,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608321864] [2024-11-19 09:16:36,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608321864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:36,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:36,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:16:36,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815355448] [2024-11-19 09:16:36,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:36,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:36,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:36,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:36,533 INFO L87 Difference]: Start difference. First operand 1807 states and 2053 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:36,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:36,601 INFO L93 Difference]: Finished difference Result 1801 states and 2043 transitions. [2024-11-19 09:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:16:36,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 43 [2024-11-19 09:16:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:36,606 INFO L225 Difference]: With dead ends: 1801 [2024-11-19 09:16:36,606 INFO L226 Difference]: Without dead ends: 1801 [2024-11-19 09:16:36,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:36,609 INFO L432 NwaCegarLoop]: 1695 mSDtfsCounter, 21 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:36,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 5054 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:16:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2024-11-19 09:16:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1801. [2024-11-19 09:16:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1035 states have (on average 1.9507246376811593) internal successors, (2019), 1791 states have internal predecessors, (2019), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2043 transitions. [2024-11-19 09:16:36,633 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2043 transitions. Word has length 43 [2024-11-19 09:16:36,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:36,635 INFO L471 AbstractCegarLoop]: Abstraction has 1801 states and 2043 transitions. [2024-11-19 09:16:36,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2043 transitions. [2024-11-19 09:16:36,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 09:16:36,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:36,637 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 09:16:36,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-19 09:16:36,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:36,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:36,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1088353786, now seen corresponding path program 1 times [2024-11-19 09:16:36,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:36,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386980544] [2024-11-19 09:16:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:36,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:36,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:36,842 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:36,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-19 09:16:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:37,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:16:37,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:37,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:37,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:37,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386980544] [2024-11-19 09:16:37,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386980544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:37,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:37,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:37,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31107595] [2024-11-19 09:16:37,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:37,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:16:37,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:16:37,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:37,321 INFO L87 Difference]: Start difference. First operand 1801 states and 2043 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:37,511 INFO L93 Difference]: Finished difference Result 2199 states and 2478 transitions. [2024-11-19 09:16:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:16:37,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2024-11-19 09:16:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:37,519 INFO L225 Difference]: With dead ends: 2199 [2024-11-19 09:16:37,519 INFO L226 Difference]: Without dead ends: 2199 [2024-11-19 09:16:37,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:16:37,520 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 366 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:37,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 3425 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 09:16:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2024-11-19 09:16:37,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 1848. [2024-11-19 09:16:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1082 states have (on average 1.9094269870609981) internal successors, (2066), 1838 states have internal predecessors, (2066), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2090 transitions. [2024-11-19 09:16:37,549 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2090 transitions. Word has length 51 [2024-11-19 09:16:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:37,549 INFO L471 AbstractCegarLoop]: Abstraction has 1848 states and 2090 transitions. [2024-11-19 09:16:37,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2090 transitions. [2024-11-19 09:16:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 09:16:37,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:37,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:37,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-19 09:16:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:37,758 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:37,759 INFO L85 PathProgramCache]: Analyzing trace with hash -546976181, now seen corresponding path program 1 times [2024-11-19 09:16:37,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:37,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694360633] [2024-11-19 09:16:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:37,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:37,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:37,763 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:37,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-19 09:16:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:38,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 09:16:38,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:38,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-19 09:16:38,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 09:16:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 09:16:38,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-19 09:16:38,521 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-19 09:16:38,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-19 09:16:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:38,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:38,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:38,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694360633] [2024-11-19 09:16:38,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694360633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:38,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:38,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:16:38,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618977240] [2024-11-19 09:16:38,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:38,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:38,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:38,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:38,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:38,537 INFO L87 Difference]: Start difference. First operand 1848 states and 2090 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:40,548 INFO L93 Difference]: Finished difference Result 1764 states and 2006 transitions. [2024-11-19 09:16:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:16:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-19 09:16:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:40,553 INFO L225 Difference]: With dead ends: 1764 [2024-11-19 09:16:40,553 INFO L226 Difference]: Without dead ends: 1764 [2024-11-19 09:16:40,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:40,554 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 2256 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:40,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1040 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 09:16:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-19 09:16:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1587. [2024-11-19 09:16:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 905 states have (on average 1.825414364640884) internal successors, (1652), 1577 states have internal predecessors, (1652), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 1676 transitions. [2024-11-19 09:16:40,575 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 1676 transitions. Word has length 54 [2024-11-19 09:16:40,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:40,576 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 1676 transitions. [2024-11-19 09:16:40,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1676 transitions. [2024-11-19 09:16:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 09:16:40,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:40,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:40,588 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 09:16:40,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:40,778 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:40,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 206433881, now seen corresponding path program 1 times [2024-11-19 09:16:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:40,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059242302] [2024-11-19 09:16:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:40,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:40,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:40,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:40,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-19 09:16:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:41,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 09:16:41,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:41,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-19 09:16:41,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 09:16:41,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-19 09:16:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:41,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:41,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:41,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059242302] [2024-11-19 09:16:41,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059242302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:41,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:41,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:16:41,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776848352] [2024-11-19 09:16:41,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:41,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:16:41,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:41,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:16:41,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:41,111 INFO L87 Difference]: Start difference. First operand 1587 states and 1676 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:43,574 INFO L93 Difference]: Finished difference Result 1586 states and 1675 transitions. [2024-11-19 09:16:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:16:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2024-11-19 09:16:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:43,580 INFO L225 Difference]: With dead ends: 1586 [2024-11-19 09:16:43,580 INFO L226 Difference]: Without dead ends: 1586 [2024-11-19 09:16:43,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 09:16:43,581 INFO L432 NwaCegarLoop]: 1622 mSDtfsCounter, 2 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:43,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4171 Invalid, 2325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 09:16:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2024-11-19 09:16:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2024-11-19 09:16:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 905 states have (on average 1.8243093922651934) internal successors, (1651), 1576 states have internal predecessors, (1651), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1675 transitions. [2024-11-19 09:16:43,600 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1675 transitions. Word has length 59 [2024-11-19 09:16:43,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:43,601 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 1675 transitions. [2024-11-19 09:16:43,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1675 transitions. [2024-11-19 09:16:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 09:16:43,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:43,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:43,620 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 09:16:43,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:43,803 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:43,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash 206433882, now seen corresponding path program 1 times [2024-11-19 09:16:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:43,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494201080] [2024-11-19 09:16:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:43,806 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:43,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-19 09:16:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:44,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 09:16:44,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:44,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 09:16:44,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-19 09:16:44,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 09:16:44,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-19 09:16:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:44,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:44,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:44,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494201080] [2024-11-19 09:16:44,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494201080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:44,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:44,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:16:44,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115297378] [2024-11-19 09:16:44,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:44,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:16:44,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:44,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:16:44,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:16:44,165 INFO L87 Difference]: Start difference. First operand 1586 states and 1675 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:47,299 INFO L93 Difference]: Finished difference Result 1585 states and 1674 transitions. [2024-11-19 09:16:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:16:47,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2024-11-19 09:16:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:47,304 INFO L225 Difference]: With dead ends: 1585 [2024-11-19 09:16:47,304 INFO L226 Difference]: Without dead ends: 1585 [2024-11-19 09:16:47,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 09:16:47,305 INFO L432 NwaCegarLoop]: 1622 mSDtfsCounter, 1 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4221 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:47,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4221 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-19 09:16:47,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-11-19 09:16:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2024-11-19 09:16:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 904 states have (on average 1.825221238938053) internal successors, (1650), 1575 states have internal predecessors, (1650), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 09:16:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1674 transitions. [2024-11-19 09:16:47,325 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 1674 transitions. Word has length 59 [2024-11-19 09:16:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:47,325 INFO L471 AbstractCegarLoop]: Abstraction has 1585 states and 1674 transitions. [2024-11-19 09:16:47,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:16:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1674 transitions. [2024-11-19 09:16:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 09:16:47,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:47,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:47,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-19 09:16:47,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:47,531 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:47,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 199394880, now seen corresponding path program 1 times [2024-11-19 09:16:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091160855] [2024-11-19 09:16:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:47,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:47,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:47,534 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:47,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-19 09:16:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:47,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:16:47,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:47,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:16:47,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:47,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091160855] [2024-11-19 09:16:47,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091160855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:16:47,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:16:47,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:16:47,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497811452] [2024-11-19 09:16:47,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:16:47,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:16:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:16:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:47,826 INFO L87 Difference]: Start difference. First operand 1585 states and 1674 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 09:16:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:47,869 INFO L93 Difference]: Finished difference Result 1588 states and 1679 transitions. [2024-11-19 09:16:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:16:47,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-19 09:16:47,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:47,876 INFO L225 Difference]: With dead ends: 1588 [2024-11-19 09:16:47,876 INFO L226 Difference]: Without dead ends: 1588 [2024-11-19 09:16:47,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:16:47,877 INFO L432 NwaCegarLoop]: 1621 mSDtfsCounter, 0 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:47,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4855 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:16:47,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2024-11-19 09:16:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1588. [2024-11-19 09:16:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 906 states have (on average 1.8245033112582782) internal successors, (1653), 1578 states have internal predecessors, (1653), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 09:16:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1679 transitions. [2024-11-19 09:16:47,901 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1679 transitions. Word has length 67 [2024-11-19 09:16:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:47,902 INFO L471 AbstractCegarLoop]: Abstraction has 1588 states and 1679 transitions. [2024-11-19 09:16:47,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 09:16:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1679 transitions. [2024-11-19 09:16:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 09:16:47,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:47,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:47,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-19 09:16:48,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:48,104 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:48,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1880790512, now seen corresponding path program 1 times [2024-11-19 09:16:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:48,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471434468] [2024-11-19 09:16:48,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:16:48,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:48,106 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:48,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-19 09:16:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:16:48,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 09:16:48,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:48,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:16:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:48,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:48,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471434468] [2024-11-19 09:16:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471434468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:16:48,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:16:48,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-19 09:16:48,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35842235] [2024-11-19 09:16:48,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:16:48,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:16:48,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:48,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:16:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:16:48,481 INFO L87 Difference]: Start difference. First operand 1588 states and 1679 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:48,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:48,614 INFO L93 Difference]: Finished difference Result 1600 states and 1697 transitions. [2024-11-19 09:16:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 09:16:48,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 68 [2024-11-19 09:16:48,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:48,618 INFO L225 Difference]: With dead ends: 1600 [2024-11-19 09:16:48,618 INFO L226 Difference]: Without dead ends: 1600 [2024-11-19 09:16:48,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-19 09:16:48,619 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 5 mSDsluCounter, 6459 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8079 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:48,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8079 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 09:16:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2024-11-19 09:16:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1598. [2024-11-19 09:16:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 915 states have (on average 1.8229508196721311) internal successors, (1668), 1587 states have internal predecessors, (1668), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 09:16:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 1694 transitions. [2024-11-19 09:16:48,639 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 1694 transitions. Word has length 68 [2024-11-19 09:16:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:48,639 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 1694 transitions. [2024-11-19 09:16:48,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1694 transitions. [2024-11-19 09:16:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 09:16:48,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:48,640 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:48,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-19 09:16:48,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:48,841 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:48,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:48,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1631646272, now seen corresponding path program 2 times [2024-11-19 09:16:48,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:48,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715589081] [2024-11-19 09:16:48,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:16:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:48,843 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:48,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-19 09:16:49,216 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 09:16:49,216 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:16:49,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 09:16:49,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:49,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:16:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:49,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:49,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715589081] [2024-11-19 09:16:49,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715589081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:16:49,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:16:49,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-19 09:16:49,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580743449] [2024-11-19 09:16:49,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:16:49,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:16:49,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:49,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:16:49,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:16:49,430 INFO L87 Difference]: Start difference. First operand 1598 states and 1694 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:49,845 INFO L93 Difference]: Finished difference Result 1613 states and 1715 transitions. [2024-11-19 09:16:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 09:16:49,846 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 71 [2024-11-19 09:16:49,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:49,850 INFO L225 Difference]: With dead ends: 1613 [2024-11-19 09:16:49,851 INFO L226 Difference]: Without dead ends: 1607 [2024-11-19 09:16:49,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-19 09:16:49,851 INFO L432 NwaCegarLoop]: 1621 mSDtfsCounter, 12 mSDsluCounter, 8085 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9706 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:49,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9706 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 09:16:49,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2024-11-19 09:16:49,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1607. [2024-11-19 09:16:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 924 states have (on average 1.817099567099567) internal successors, (1679), 1596 states have internal predecessors, (1679), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 09:16:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 1705 transitions. [2024-11-19 09:16:49,872 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 1705 transitions. Word has length 71 [2024-11-19 09:16:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:49,872 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 1705 transitions. [2024-11-19 09:16:49,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1705 transitions. [2024-11-19 09:16:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 09:16:49,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:49,874 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:49,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-19 09:16:50,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:50,075 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:50,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2110434240, now seen corresponding path program 3 times [2024-11-19 09:16:50,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:50,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427451210] [2024-11-19 09:16:50,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:16:50,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:50,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:50,077 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:50,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-19 09:16:50,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-19 09:16:50,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:16:50,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 09:16:50,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:50,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:16:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:51,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:51,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427451210] [2024-11-19 09:16:51,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427451210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:16:51,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:16:51,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-19 09:16:51,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125327961] [2024-11-19 09:16:51,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:16:51,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 09:16:51,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:51,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 09:16:51,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-19 09:16:51,108 INFO L87 Difference]: Start difference. First operand 1607 states and 1705 transitions. Second operand has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:52,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:52,410 INFO L93 Difference]: Finished difference Result 1631 states and 1744 transitions. [2024-11-19 09:16:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-19 09:16:52,411 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 77 [2024-11-19 09:16:52,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:52,414 INFO L225 Difference]: With dead ends: 1631 [2024-11-19 09:16:52,414 INFO L226 Difference]: Without dead ends: 1625 [2024-11-19 09:16:52,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 09:16:52,416 INFO L432 NwaCegarLoop]: 1621 mSDtfsCounter, 24 mSDsluCounter, 17786 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 19407 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:52,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 19407 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 09:16:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2024-11-19 09:16:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1625. [2024-11-19 09:16:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 942 states have (on average 1.8067940552016986) internal successors, (1702), 1614 states have internal predecessors, (1702), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 09:16:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 1728 transitions. [2024-11-19 09:16:52,441 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 1728 transitions. Word has length 77 [2024-11-19 09:16:52,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:52,441 INFO L471 AbstractCegarLoop]: Abstraction has 1625 states and 1728 transitions. [2024-11-19 09:16:52,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1728 transitions. [2024-11-19 09:16:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 09:16:52,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:52,442 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:52,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-19 09:16:52,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:52,643 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:52,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1169582016, now seen corresponding path program 4 times [2024-11-19 09:16:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:52,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013961942] [2024-11-19 09:16:52,644 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 09:16:52,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:52,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:52,646 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:52,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-19 09:16:53,038 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 09:16:53,038 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:16:53,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 09:16:53,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:16:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:53,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:16:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:16:54,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:16:54,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013961942] [2024-11-19 09:16:54,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013961942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:16:54,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 09:16:54,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-19 09:16:54,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459291746] [2024-11-19 09:16:54,617 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 09:16:54,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 09:16:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 09:16:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 09:16:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 09:16:54,619 INFO L87 Difference]: Start difference. First operand 1625 states and 1728 transitions. Second operand has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:16:59,211 INFO L93 Difference]: Finished difference Result 1665 states and 1801 transitions. [2024-11-19 09:16:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-19 09:16:59,212 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 89 [2024-11-19 09:16:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:16:59,215 INFO L225 Difference]: With dead ends: 1665 [2024-11-19 09:16:59,215 INFO L226 Difference]: Without dead ends: 1661 [2024-11-19 09:16:59,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-19 09:16:59,218 INFO L432 NwaCegarLoop]: 1621 mSDtfsCounter, 49 mSDsluCounter, 40339 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 41960 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 09:16:59,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 41960 Invalid, 2266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [114 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 09:16:59,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2024-11-19 09:16:59,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1659. [2024-11-19 09:16:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 976 states have (on average 1.790983606557377) internal successors, (1748), 1648 states have internal predecessors, (1748), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 09:16:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 1774 transitions. [2024-11-19 09:16:59,239 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 1774 transitions. Word has length 89 [2024-11-19 09:16:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:16:59,239 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 1774 transitions. [2024-11-19 09:16:59,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 09:16:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1774 transitions. [2024-11-19 09:16:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 09:16:59,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:16:59,240 INFO L215 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:16:59,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-19 09:16:59,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:59,441 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 912 more)] === [2024-11-19 09:16:59,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:16:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash 238496320, now seen corresponding path program 5 times [2024-11-19 09:16:59,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 09:16:59,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022132928] [2024-11-19 09:16:59,442 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:16:59,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 09:16:59,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 09:16:59,444 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 09:16:59,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-19 09:17:00,451 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-19 09:17:00,451 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:17:00,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-19 09:17:00,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:17:00,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-19 09:17:00,562 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-19 09:17:00,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-19 09:17:00,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 09:17:00,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-19 09:17:01,512 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 09:17:01,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2024-11-19 09:17:01,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-19 09:17:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-19 09:17:01,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:17:01,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 09:17:01,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022132928] [2024-11-19 09:17:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022132928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:17:01,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1092052219] [2024-11-19 09:17:01,945 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:17:01,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-19 09:17:01,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-19 09:17:01,947 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-19 09:17:01,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process