./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU --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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:28,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:28,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 21:56:28,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:28,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:28,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:28,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:28,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:28,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:28,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:28,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:28,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:28,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:28,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:28,275 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:28,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:28,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:28,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:28,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:28,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:28,278 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:56:28,279 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:56:28,279 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:56:28,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:28,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:28,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:28,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:28,282 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:28,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:28,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:28,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:28,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:28,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:28,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:28,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:28,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:28,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:28,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:28,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:28,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:28,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:28,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:28,289 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2024-10-31 21:56:28,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:28,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:28,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:28,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:28,666 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:28,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i Unable to find full path for "g++" [2024-10-31 21:56:30,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:31,221 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:31,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-10-31 21:56:31,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/d297e29f3/9a2459fe017749d7b89a248d048e2beb/FLAG6e48d83dc [2024-10-31 21:56:31,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/d297e29f3/9a2459fe017749d7b89a248d048e2beb [2024-10-31 21:56:31,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:31,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:31,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:31,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:31,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:31,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:31" (1/1) ... [2024-10-31 21:56:31,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8ade5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:31, skipping insertion in model container [2024-10-31 21:56:31,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:31" (1/1) ... [2024-10-31 21:56:31,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:32,061 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,115 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,123 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,132 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,144 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,206 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,211 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,216 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,228 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,253 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,254 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,261 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,263 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,269 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,270 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,279 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,284 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,285 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,286 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,325 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:32,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:32,369 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) [2024-10-31 21:56:32,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1657d1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:32, skipping insertion in model container [2024-10-31 21:56:32,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:32,371 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 21:56:32,374 INFO L158 Benchmark]: Toolchain (without parser) took 1081.37ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 92.7MB in the beginning and 138.6MB in the end (delta: -45.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:32,375 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:32,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.54ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 92.7MB in the beginning and 138.6MB in the end (delta: -45.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:32,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.54ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 92.7MB in the beginning and 138.6MB in the end (delta: -45.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 769]: 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: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU --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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:34,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:34,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-31 21:56:34,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:34,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:34,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:34,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:34,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:34,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:34,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:34,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:34,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:34,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:34,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:34,931 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:34,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:34,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:34,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:34,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:34,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:34,933 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:56:34,933 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:56:34,934 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:56:34,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:34,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:34,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:56:34,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:34,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:56:34,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:34,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:34,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:34,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:34,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:34,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:34,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:34,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:34,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:34,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:34,941 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:56:34,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:56:34,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:34,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:34,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:34,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:34,943 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:56:34,943 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2024-10-31 21:56:35,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:35,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:35,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:35,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:35,400 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:35,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i Unable to find full path for "g++" [2024-10-31 21:56:37,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:37,946 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:37,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-10-31 21:56:37,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/26be3460f/f46d731ee4b043af8a6b6a0ea2a2e513/FLAGcfe44b73d [2024-10-31 21:56:38,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/data/26be3460f/f46d731ee4b043af8a6b6a0ea2a2e513 [2024-10-31 21:56:38,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:38,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:38,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:38,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:38,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:38,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:38" (1/1) ... [2024-10-31 21:56:38,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633849a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:38, skipping insertion in model container [2024-10-31 21:56:38,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:38" (1/1) ... [2024-10-31 21:56:38,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:38,912 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:38,962 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:38,968 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:38,980 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:38,990 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,043 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,050 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,055 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,064 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,081 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,086 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,088 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,093 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,094 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,095 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,105 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,106 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,107 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,111 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,119 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:39,150 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-31 21:56:39,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:39,203 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,215 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,222 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,224 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,231 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,264 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,266 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,268 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,272 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,288 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,288 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,290 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,291 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,292 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,293 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,296 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,297 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,298 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,299 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,302 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:39,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:39,309 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:39,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:39,441 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:39,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39 WrapperNode [2024-10-31 21:56:39,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:39,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:39,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:39,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:39,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,587 INFO L138 Inliner]: procedures = 179, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1498 [2024-10-31 21:56:39,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:39,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:39,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:39,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:39,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,840 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-10-31 21:56:39,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:39,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:39,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:39,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:39,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (1/1) ... [2024-10-31 21:56:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:40,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-31 21:56:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-31 21:56:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 21:56:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 21:56:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:56:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:56:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 21:56:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 21:56:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 21:56:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 21:56:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:56:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:56:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 21:56:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:40,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:40,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:40,384 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 21:56:40,472 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 21:56:47,441 INFO L? ?]: Removed 1749 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:47,442 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:47,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:47,479 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-31 21:56:47,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:47 BoogieIcfgContainer [2024-10-31 21:56:47,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:47,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:47,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:47,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:47,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:38" (1/3) ... [2024-10-31 21:56:47,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac575cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:47, skipping insertion in model container [2024-10-31 21:56:47,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:39" (2/3) ... [2024-10-31 21:56:47,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac575cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:47, skipping insertion in model container [2024-10-31 21:56:47,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:47" (3/3) ... [2024-10-31 21:56:47,496 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2024-10-31 21:56:47,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:47,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 831 error locations. [2024-10-31 21:56:47,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:47,628 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;@588a694f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:47,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 831 error locations. [2024-10-31 21:56:47,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 1631 states, 787 states have (on average 2.2566709021601015) internal successors, (1776), 1622 states have internal predecessors, (1776), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 21:56:47,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:47,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:47,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:47,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash 45876316, now seen corresponding path program 1 times [2024-10-31 21:56:47,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:47,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865990658] [2024-10-31 21:56:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:47,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:47,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:47,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:56:47,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:47,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-10-31 21:56:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:48,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:48,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:48,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865990658] [2024-10-31 21:56:48,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865990658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:48,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:48,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416686675] [2024-10-31 21:56:48,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:48,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:48,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:48,071 INFO L87 Difference]: Start difference. First operand has 1631 states, 787 states have (on average 2.2566709021601015) internal successors, (1776), 1622 states have internal predecessors, (1776), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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) [2024-10-31 21:56:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:51,536 INFO L93 Difference]: Finished difference Result 1520 states and 1612 transitions. [2024-10-31 21:56:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:51,538 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 [2024-10-31 21:56:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:51,560 INFO L225 Difference]: With dead ends: 1520 [2024-10-31 21:56:51,560 INFO L226 Difference]: Without dead ends: 1518 [2024-10-31 21:56:51,562 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 [2024-10-31 21:56:51,566 INFO L432 NwaCegarLoop]: 998 mSDtfsCounter, 1042 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:51,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1206 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-31 21:56:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2024-10-31 21:56:51,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1516. [2024-10-31 21:56:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 777 states have (on average 2.027027027027027) internal successors, (1575), 1507 states have internal predecessors, (1575), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1607 transitions. [2024-10-31 21:56:51,687 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1607 transitions. Word has length 5 [2024-10-31 21:56:51,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:51,687 INFO L471 AbstractCegarLoop]: Abstraction has 1516 states and 1607 transitions. [2024-10-31 21:56:51,688 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) [2024-10-31 21:56:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1607 transitions. [2024-10-31 21:56:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 21:56:51,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:51,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:51,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:51,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:51,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:51,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,893 INFO L85 PathProgramCache]: Analyzing trace with hash 45876317, now seen corresponding path program 1 times [2024-10-31 21:56:51,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:51,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9620767] [2024-10-31 21:56:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,894 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 [2024-10-31 21:56:51,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:51,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:51,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:52,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:52,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:52,091 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 [2024-10-31 21:56:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:52,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:52,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:52,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9620767] [2024-10-31 21:56:52,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9620767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:52,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:52,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54508364] [2024-10-31 21:56:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:52,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:52,127 INFO L87 Difference]: Start difference. First operand 1516 states and 1607 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) [2024-10-31 21:56:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:57,022 INFO L93 Difference]: Finished difference Result 1836 states and 1947 transitions. [2024-10-31 21:56:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:57,022 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 [2024-10-31 21:56:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:57,029 INFO L225 Difference]: With dead ends: 1836 [2024-10-31 21:56:57,029 INFO L226 Difference]: Without dead ends: 1836 [2024-10-31 21:56:57,029 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 [2024-10-31 21:56:57,030 INFO L432 NwaCegarLoop]: 1362 mSDtfsCounter, 522 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:57,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 2044 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-31 21:56:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2024-10-31 21:56:57,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1683. [2024-10-31 21:56:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 954 states have (on average 1.9863731656184487) internal successors, (1895), 1674 states have internal predecessors, (1895), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1927 transitions. [2024-10-31 21:56:57,074 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1927 transitions. Word has length 5 [2024-10-31 21:56:57,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:57,075 INFO L471 AbstractCegarLoop]: Abstraction has 1683 states and 1927 transitions. [2024-10-31 21:56:57,075 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) [2024-10-31 21:56:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1927 transitions. [2024-10-31 21:56:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:56:57,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:57,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:56:57,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:57,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:57,277 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr620REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:57,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:57,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1423825295, now seen corresponding path program 1 times [2024-10-31 21:56:57,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:57,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193128417] [2024-10-31 21:56:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:57,279 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 [2024-10-31 21:56:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:57,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:57,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:57,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:57,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:57,453 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:57,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193128417] [2024-10-31 21:56:57,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193128417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:57,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:57,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137300073] [2024-10-31 21:56:57,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:57,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:57,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:57,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:57,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:57,459 INFO L87 Difference]: Start difference. First operand 1683 states and 1927 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) [2024-10-31 21:56:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:57,569 INFO L93 Difference]: Finished difference Result 2935 states and 3384 transitions. [2024-10-31 21:56:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:57,573 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 [2024-10-31 21:56:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:57,584 INFO L225 Difference]: With dead ends: 2935 [2024-10-31 21:56:57,584 INFO L226 Difference]: Without dead ends: 2935 [2024-10-31 21:56:57,585 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 [2024-10-31 21:56:57,586 INFO L432 NwaCegarLoop]: 2080 mSDtfsCounter, 1114 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 3672 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:57,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 3672 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:57,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2024-10-31 21:56:57,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 1684. [2024-10-31 21:56:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 955 states have (on average 1.9853403141361257) internal successors, (1896), 1675 states have internal predecessors, (1896), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 1928 transitions. [2024-10-31 21:56:57,638 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 1928 transitions. Word has length 6 [2024-10-31 21:56:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:57,639 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 1928 transitions. [2024-10-31 21:56:57,639 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) [2024-10-31 21:56:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1928 transitions. [2024-10-31 21:56:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:56:57,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:57,640 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:57,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:57,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:57,841 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:57,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:57,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1344610650, now seen corresponding path program 1 times [2024-10-31 21:56:57,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:57,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81729978] [2024-10-31 21:56:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:57,843 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 [2024-10-31 21:56:57,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:57,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:58,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:58,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:58,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:58,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:58,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81729978] [2024-10-31 21:56:58,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81729978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:58,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:58,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:58,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878577409] [2024-10-31 21:56:58,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:58,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:58,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:58,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:58,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:58,064 INFO L87 Difference]: Start difference. First operand 1684 states and 1928 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) [2024-10-31 21:56:58,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:58,117 INFO L93 Difference]: Finished difference Result 1642 states and 1885 transitions. [2024-10-31 21:56:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:58,118 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 [2024-10-31 21:56:58,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:58,124 INFO L225 Difference]: With dead ends: 1642 [2024-10-31 21:56:58,124 INFO L226 Difference]: Without dead ends: 1642 [2024-10-31 21:56:58,124 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 [2024-10-31 21:56:58,125 INFO L432 NwaCegarLoop]: 1542 mSDtfsCounter, 71 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 3021 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 [2024-10-31 21:56:58,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 3021 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-10-31 21:56:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1642. [2024-10-31 21:56:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 937 states have (on average 1.9775880469583778) internal successors, (1853), 1633 states have internal predecessors, (1853), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 1885 transitions. [2024-10-31 21:56:58,159 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 1885 transitions. Word has length 11 [2024-10-31 21:56:58,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:58,160 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 1885 transitions. [2024-10-31 21:56:58,160 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) [2024-10-31 21:56:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1885 transitions. [2024-10-31 21:56:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 21:56:58,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:58,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:58,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-31 21:56:58,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:58,361 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:58,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash 614317568, now seen corresponding path program 1 times [2024-10-31 21:56:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:58,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520530220] [2024-10-31 21:56:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:58,363 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 [2024-10-31 21:56:58,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:58,366 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:58,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:56:58,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:58,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:58,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:58,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520530220] [2024-10-31 21:56:58,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520530220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:58,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:58,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138956163] [2024-10-31 21:56:58,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:58,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:58,574 INFO L87 Difference]: Start difference. First operand 1642 states and 1885 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) [2024-10-31 21:56:58,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:58,721 INFO L93 Difference]: Finished difference Result 1620 states and 1856 transitions. [2024-10-31 21:56:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:58,721 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 [2024-10-31 21:56:58,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:58,728 INFO L225 Difference]: With dead ends: 1620 [2024-10-31 21:56:58,728 INFO L226 Difference]: Without dead ends: 1620 [2024-10-31 21:56:58,729 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 [2024-10-31 21:56:58,730 INFO L432 NwaCegarLoop]: 1497 mSDtfsCounter, 48 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:58,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4465 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2024-10-31 21:56:58,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2024-10-31 21:56:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 929 states have (on average 1.9634015069967707) internal successors, (1824), 1611 states have internal predecessors, (1824), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 21:56:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 1856 transitions. [2024-10-31 21:56:58,769 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 1856 transitions. Word has length 13 [2024-10-31 21:56:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:58,769 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 1856 transitions. [2024-10-31 21:56:58,769 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) [2024-10-31 21:56:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1856 transitions. [2024-10-31 21:56:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-31 21:56:58,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:58,770 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] [2024-10-31 21:56:58,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:58,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:56:58,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 828 more)] === [2024-10-31 21:56:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash -957630610, now seen corresponding path program 1 times [2024-10-31 21:56:58,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:58,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459516880] [2024-10-31 21:56:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:58,972 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 [2024-10-31 21:56:58,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:58,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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) [2024-10-31 21:56:58,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faef97ae-08fd-4853-934e-987fb4bd9c1f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -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 [2024-10-31 21:56:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:59,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:59,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:59,182 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 [2024-10-31 21:56:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:59,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:59,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:59,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459516880] [2024-10-31 21:56:59,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459516880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:59,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:59,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:59,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468838911] [2024-10-31 21:56:59,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:59,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:59,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:59,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:59,284 INFO L87 Difference]: Start difference. First operand 1620 states and 1856 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)