./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya --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 64bit --witnessprinter.graph.data.programhash 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:12:38,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:12:38,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-29 03:12:38,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:12:38,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:12:38,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:12:38,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:12:38,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:12:38,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:12:38,830 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:12:38,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:12:38,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:12:38,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:12:38,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:12:38,833 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:12:38,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:12:38,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:12:38,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:12:38,835 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 03:12:38,836 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 03:12:38,836 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 03:12:38,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:12:38,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:12:38,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:12:38,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:12:38,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:12:38,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:12:38,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:12:38,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:12:38,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:38,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:12:38,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:12:38,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:12:38,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:12:38,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:12:38,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:12:38,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:12:38,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:12:38,846 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_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb [2023-11-29 03:12:39,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:12:39,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:12:39,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:12:39,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:12:39,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:12:39,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2023-11-29 03:12:41,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:12:42,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:12:42,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2023-11-29 03:12:42,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/2f510773a/4f0b050eff4640cda94b7a37af28ac4a/FLAGd8c53e87f [2023-11-29 03:12:42,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/2f510773a/4f0b050eff4640cda94b7a37af28ac4a [2023-11-29 03:12:42,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:12:42,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:12:42,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:42,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:12:42,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:12:42,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:42" (1/1) ... [2023-11-29 03:12:42,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd2e2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:42, skipping insertion in model container [2023-11-29 03:12:42,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:42" (1/1) ... [2023-11-29 03:12:42,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:12:43,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:43,508 ERROR L324 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) [2023-11-29 03:12:43,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c8203b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:43, skipping insertion in model container [2023-11-29 03:12:43,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:43,510 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-29 03:12:43,512 INFO L158 Benchmark]: Toolchain (without parser) took 1255.55ms. Allocated memory is still 182.5MB. Free memory was 138.2MB in the beginning and 100.9MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 03:12:43,513 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory was 80.8MB in the beginning and 80.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:12:43,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.91ms. Allocated memory is still 182.5MB. Free memory was 137.4MB in the beginning and 100.9MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-29 03:12:43,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory was 80.8MB in the beginning and 80.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.91ms. Allocated memory is still 182.5MB. Free memory was 137.4MB in the beginning and 100.9MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2221]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya --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 64bit --witnessprinter.graph.data.programhash 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:12:45,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:12:45,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-29 03:12:45,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:12:45,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:12:45,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:12:45,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:12:45,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:12:45,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:12:45,423 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:12:45,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:12:45,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:12:45,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:12:45,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:12:45,426 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:12:45,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:12:45,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:12:45,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:12:45,428 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 03:12:45,428 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 03:12:45,429 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 03:12:45,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:12:45,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:12:45,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:12:45,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:12:45,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:12:45,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:12:45,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:12:45,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:12:45,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:12:45,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:12:45,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:45,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:12:45,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:12:45,434 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:12:45,435 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:12:45,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:12:45,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:12:45,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:12:45,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:12:45,436 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:12:45,436 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_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb [2023-11-29 03:12:45,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:12:45,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:12:45,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:12:45,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:12:45,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:12:45,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2023-11-29 03:12:48,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:12:48,992 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:12:48,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2023-11-29 03:12:49,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/4772842c7/b4481fe357f34db6a0b5fbd9437e409b/FLAGa373ff89a [2023-11-29 03:12:49,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/data/4772842c7/b4481fe357f34db6a0b5fbd9437e409b [2023-11-29 03:12:49,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:12:49,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:12:49,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:49,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:12:49,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:12:49,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:49" (1/1) ... [2023-11-29 03:12:49,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659ab73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:49, skipping insertion in model container [2023-11-29 03:12:49,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:49" (1/1) ... [2023-11-29 03:12:49,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:12:50,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:50,195 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-29 03:12:50,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:12:50,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:50,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:12:50,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:50,651 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:12:50,652 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:12:50,652 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:12:50,652 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:12:50,652 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:12:50,660 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:12:50,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50 WrapperNode [2023-11-29 03:12:50,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:50,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:50,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:12:50,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:12:50,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,798 INFO L138 Inliner]: procedures = 589, calls = 409, calls flagged for inlining = 26, calls inlined = 25, statements flattened = 1500 [2023-11-29 03:12:50,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:50,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:12:50,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:12:50,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:12:50,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,960 INFO L175 MemorySlicer]: Split 288 memory accesses to 19 slices as follows [2, 3, 20, 105, 3, 44, 2, 2, 19, 6, 34, 13, 17, 1, 3, 1, 3, 3, 7]. 36 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 0, 37, 3, 0, 2, 0, 0, 0, 5, 1, 4, 0, 0, 0, 0, 0, 1]. The 77 writes are split as follows [0, 0, 3, 38, 0, 12, 0, 1, 4, 6, 0, 5, 4, 1, 0, 1, 0, 0, 2]. [2023-11-29 03:12:50,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:50,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:12:51,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:12:51,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:12:51,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:12:51,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (1/1) ... [2023-11-29 03:12:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:51,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:51,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:12:51,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:12:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 03:12:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 03:12:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 03:12:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 03:12:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 03:12:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 03:12:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 03:12:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 03:12:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 03:12:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 03:12:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 03:12:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 03:12:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 03:12:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 03:12:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 03:12:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 03:12:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 03:12:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 03:12:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 03:12:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 03:12:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 03:12:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 03:12:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 03:12:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 03:12:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 03:12:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 03:12:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 03:12:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-29 03:12:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-29 03:12:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 03:12:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-29 03:12:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-11-29 03:12:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 03:12:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 03:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 03:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 03:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 03:12:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 03:12:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2023-11-29 03:12:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2023-11-29 03:12:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#13 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#14 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#15 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#16 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#17 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#18 [2023-11-29 03:12:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2023-11-29 03:12:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#13 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#14 [2023-11-29 03:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#15 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#16 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#17 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#18 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2023-11-29 03:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2023-11-29 03:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#13 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#14 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#15 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#16 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#17 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#18 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2023-11-29 03:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2023-11-29 03:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#13 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#14 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#15 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#16 [2023-11-29 03:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#17 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#18 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:12:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 03:12:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-29 03:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:12:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:12:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:12:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:12:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:12:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:12:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 03:12:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 03:12:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 03:12:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 03:12:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 03:12:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-29 03:12:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 03:12:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 03:12:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 03:12:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-29 03:12:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-29 03:12:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 03:12:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 03:12:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 03:12:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 03:12:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 03:12:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 03:12:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:12:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 03:12:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 03:12:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2023-11-29 03:12:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 03:12:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-29 03:12:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 03:12:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-29 03:12:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 03:12:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 03:12:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2023-11-29 03:12:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2023-11-29 03:12:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2023-11-29 03:12:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#17 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#18 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2023-11-29 03:12:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2023-11-29 03:12:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#17 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#18 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2023-11-29 03:12:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#17 [2023-11-29 03:12:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#18 [2023-11-29 03:12:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2023-11-29 03:12:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2023-11-29 03:12:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 03:12:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 03:12:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 03:12:52,097 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:12:52,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:12:58,872 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:58,905 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:58,938 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:58,962 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:58,988 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:59,017 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:59,051 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:59,081 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:12:59,120 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:04,940 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:04,965 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:04,991 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,013 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,044 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,067 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,091 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,119 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,148 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,174 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 03:13:05,310 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:13:05,508 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:13:05,508 INFO L309 CfgBuilder]: Removed 48 assume(true) statements. [2023-11-29 03:13:05,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:13:05 BoogieIcfgContainer [2023-11-29 03:13:05,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:13:05,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:13:05,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:13:05,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:13:05,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:12:49" (1/3) ... [2023-11-29 03:13:05,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba663e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:13:05, skipping insertion in model container [2023-11-29 03:13:05,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:50" (2/3) ... [2023-11-29 03:13:05,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba663e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:13:05, skipping insertion in model container [2023-11-29 03:13:05,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:13:05" (3/3) ... [2023-11-29 03:13:05,518 INFO L112 eAbstractionObserver]: Analyzing ICFG tac-1.i [2023-11-29 03:13:05,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:13:05,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 575 error locations. [2023-11-29 03:13:05,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:13:05,606 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@27db5082, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:13:05,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 575 error locations. [2023-11-29 03:13:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 1035 states, 527 states have (on average 2.235294117647059) internal successors, (1178), 992 states have internal predecessors, (1178), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 03:13:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 03:13:05,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:05,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 03:13:05,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:05,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash 92739, now seen corresponding path program 1 times [2023-11-29 03:13:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:05,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078727123] [2023-11-29 03:13:05,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:05,642 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 [2023-11-29 03:13:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:05,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:05,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:06,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:13:06,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:06,244 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 [2023-11-29 03:13:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:06,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:06,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:06,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078727123] [2023-11-29 03:13:06,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078727123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:06,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:13:06,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:13:06,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173281318] [2023-11-29 03:13:06,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:06,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:13:06,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:06,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:13:06,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:13:06,290 INFO L87 Difference]: Start difference. First operand has 1035 states, 527 states have (on average 2.235294117647059) internal successors, (1178), 992 states have internal predecessors, (1178), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-29 03:13:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:09,874 INFO L93 Difference]: Finished difference Result 1178 states and 1371 transitions. [2023-11-29 03:13:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:13:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-29 03:13:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:09,890 INFO L225 Difference]: With dead ends: 1178 [2023-11-29 03:13:09,890 INFO L226 Difference]: Without dead ends: 1177 [2023-11-29 03:13:09,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:13:09,894 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 367 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:09,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1504 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 03:13:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-11-29 03:13:09,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1022. [2023-11-29 03:13:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 521 states have (on average 2.165067178502879) internal successors, (1128), 985 states have internal predecessors, (1128), 31 states have call successors, (31), 12 states have call predecessors, (31), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:13:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1184 transitions. [2023-11-29 03:13:09,971 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1184 transitions. Word has length 2 [2023-11-29 03:13:09,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:09,972 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1184 transitions. [2023-11-29 03:13:09,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-29 03:13:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1184 transitions. [2023-11-29 03:13:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 03:13:09,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:09,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 03:13:10,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:10,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:10,188 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:10,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:10,189 INFO L85 PathProgramCache]: Analyzing trace with hash 92740, now seen corresponding path program 1 times [2023-11-29 03:13:10,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:10,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638656309] [2023-11-29 03:13:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:10,190 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 [2023-11-29 03:13:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:10,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:10,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:10,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:13:10,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:10,695 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 [2023-11-29 03:13:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:10,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:10,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:10,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638656309] [2023-11-29 03:13:10,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638656309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:10,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:13:10,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:13:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161560509] [2023-11-29 03:13:10,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:10,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:13:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:10,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:13:10,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:13:10,724 INFO L87 Difference]: Start difference. First operand 1022 states and 1184 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-29 03:13:16,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:16,257 INFO L93 Difference]: Finished difference Result 1021 states and 1183 transitions. [2023-11-29 03:13:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:13:16,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-29 03:13:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:16,265 INFO L225 Difference]: With dead ends: 1021 [2023-11-29 03:13:16,265 INFO L226 Difference]: Without dead ends: 1021 [2023-11-29 03:13:16,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:13:16,266 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 9 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:16,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1747 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 03:13:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2023-11-29 03:13:16,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2023-11-29 03:13:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 521 states have (on average 2.163147792706334) internal successors, (1127), 984 states have internal predecessors, (1127), 31 states have call successors, (31), 12 states have call predecessors, (31), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:13:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1183 transitions. [2023-11-29 03:13:16,292 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1183 transitions. Word has length 2 [2023-11-29 03:13:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:16,292 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1183 transitions. [2023-11-29 03:13:16,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-29 03:13:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1183 transitions. [2023-11-29 03:13:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 03:13:16,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:16,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 03:13:16,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 03:13:16,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:16,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:16,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash 91016217, now seen corresponding path program 1 times [2023-11-29 03:13:16,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:16,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391728128] [2023-11-29 03:13:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:16,496 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 [2023-11-29 03:13:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:16,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:16,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:16,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:13:16,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:16,853 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 [2023-11-29 03:13:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:16,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:16,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391728128] [2023-11-29 03:13:16,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391728128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:16,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:13:16,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:13:16,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761184552] [2023-11-29 03:13:16,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:16,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:13:16,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:16,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:13:16,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:13:16,935 INFO L87 Difference]: Start difference. First operand 1021 states and 1183 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:13:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:24,072 INFO L93 Difference]: Finished difference Result 1023 states and 1185 transitions. [2023-11-29 03:13:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:13:24,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 03:13:24,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:24,078 INFO L225 Difference]: With dead ends: 1023 [2023-11-29 03:13:24,079 INFO L226 Difference]: Without dead ends: 1023 [2023-11-29 03:13:24,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:13:24,080 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 9 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:24,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2428 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-29 03:13:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2023-11-29 03:13:24,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1023. [2023-11-29 03:13:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 523 states have (on average 2.158699808795411) internal successors, (1129), 986 states have internal predecessors, (1129), 31 states have call successors, (31), 12 states have call predecessors, (31), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:13:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1185 transitions. [2023-11-29 03:13:24,103 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1185 transitions. Word has length 4 [2023-11-29 03:13:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:24,103 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1185 transitions. [2023-11-29 03:13:24,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:13:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1185 transitions. [2023-11-29 03:13:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 03:13:24,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:24,104 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 03:13:24,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 03:13:24,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:24,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:24,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1569125928, now seen corresponding path program 1 times [2023-11-29 03:13:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380387541] [2023-11-29 03:13:24,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:24,308 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 [2023-11-29 03:13:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:24,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:24,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:24,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:13:24,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:24,807 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 [2023-11-29 03:13:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:24,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:13:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:25,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:25,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380387541] [2023-11-29 03:13:25,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380387541] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:13:25,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:13:25,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2023-11-29 03:13:25,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673389212] [2023-11-29 03:13:25,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:13:25,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:13:25,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:25,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:13:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:13:25,761 INFO L87 Difference]: Start difference. First operand 1023 states and 1185 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:13:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:51,123 INFO L93 Difference]: Finished difference Result 1025 states and 1187 transitions. [2023-11-29 03:13:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:13:51,126 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 03:13:51,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:51,130 INFO L225 Difference]: With dead ends: 1025 [2023-11-29 03:13:51,130 INFO L226 Difference]: Without dead ends: 1025 [2023-11-29 03:13:51,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:13:51,131 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 10 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:51,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3792 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 25.1s Time] [2023-11-29 03:13:51,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2023-11-29 03:13:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 1025. [2023-11-29 03:13:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 526 states have (on average 2.150190114068441) internal successors, (1131), 988 states have internal predecessors, (1131), 31 states have call successors, (31), 12 states have call predecessors, (31), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:13:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1187 transitions. [2023-11-29 03:13:51,164 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1187 transitions. Word has length 6 [2023-11-29 03:13:51,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:51,164 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1187 transitions. [2023-11-29 03:13:51,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:13:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1187 transitions. [2023-11-29 03:13:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 03:13:51,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:51,165 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-29 03:13:51,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:51,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:51,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:51,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:51,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1298463451, now seen corresponding path program 1 times [2023-11-29 03:13:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:51,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351334566] [2023-11-29 03:13:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:51,367 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 [2023-11-29 03:13:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:51,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:51,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:51,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:13:51,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:51,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:13:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:13:51,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:51,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351334566] [2023-11-29 03:13:51,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351334566] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:13:51,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:13:51,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 03:13:51,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944835211] [2023-11-29 03:13:51,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:13:51,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:13:51,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:51,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:13:51,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:13:51,944 INFO L87 Difference]: Start difference. First operand 1025 states and 1187 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2023-11-29 03:13:56,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:56,263 INFO L93 Difference]: Finished difference Result 1035 states and 1197 transitions. [2023-11-29 03:13:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:13:56,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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 [2023-11-29 03:13:56,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:56,269 INFO L225 Difference]: With dead ends: 1035 [2023-11-29 03:13:56,269 INFO L226 Difference]: Without dead ends: 1035 [2023-11-29 03:13:56,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:13:56,270 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 5 mSDsluCounter, 6396 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:56,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7464 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 03:13:56,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2023-11-29 03:13:56,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2023-11-29 03:13:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 536 states have (on average 2.128731343283582) internal successors, (1141), 998 states have internal predecessors, (1141), 31 states have call successors, (31), 12 states have call predecessors, (31), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:13:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1197 transitions. [2023-11-29 03:13:56,296 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1197 transitions. Word has length 11 [2023-11-29 03:13:56,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:56,296 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1197 transitions. [2023-11-29 03:13:56,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2023-11-29 03:13:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1197 transitions. [2023-11-29 03:13:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:13:56,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:56,297 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 03:13:56,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 03:13:56,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:56,498 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:13:56,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash 832416688, now seen corresponding path program 2 times [2023-11-29 03:13:56,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:56,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121311500] [2023-11-29 03:13:56,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:13:56,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:13:56,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:56,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:13:56,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 [2023-11-29 03:13:56,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:13:56,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:13:56,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:13:56,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:56,945 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:13:56,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:13:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-29 03:13:57,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:57,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:57,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121311500] [2023-11-29 03:13:57,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121311500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:57,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:13:57,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:13:57,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3690555] [2023-11-29 03:13:57,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:57,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:13:57,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:57,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:13:57,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:13:57,368 INFO L87 Difference]: Start difference. First operand 1035 states and 1197 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:14:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:06,107 INFO L93 Difference]: Finished difference Result 1393 states and 1616 transitions. [2023-11-29 03:14:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:14:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-29 03:14:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:06,118 INFO L225 Difference]: With dead ends: 1393 [2023-11-29 03:14:06,118 INFO L226 Difference]: Without dead ends: 1393 [2023-11-29 03:14:06,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:06,119 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 596 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:06,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1485 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 03:14:06,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-11-29 03:14:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1221. [2023-11-29 03:14:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 709 states have (on average 2.142454160789845) internal successors, (1519), 1171 states have internal predecessors, (1519), 41 states have call successors, (41), 18 states have call predecessors, (41), 15 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1595 transitions. [2023-11-29 03:14:06,154 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1595 transitions. Word has length 21 [2023-11-29 03:14:06,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:06,154 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1595 transitions. [2023-11-29 03:14:06,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:14:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1595 transitions. [2023-11-29 03:14:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:14:06,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:06,155 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 03:14:06,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 03:14:06,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:06,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:06,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:06,362 INFO L85 PathProgramCache]: Analyzing trace with hash 832416689, now seen corresponding path program 1 times [2023-11-29 03:14:06,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:06,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387163726] [2023-11-29 03:14:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:14:06,363 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 [2023-11-29 03:14:06,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:06,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:06,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 03:14:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:14:06,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:14:06,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:14:06,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:14:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:14:07,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:07,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387163726] [2023-11-29 03:14:07,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387163726] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:14:07,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:14:07,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 03:14:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629300461] [2023-11-29 03:14:07,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:14:07,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 03:14:07,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:07,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 03:14:07,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:14:07,484 INFO L87 Difference]: Start difference. First operand 1221 states and 1595 transitions. Second operand has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-11-29 03:14:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:14,162 INFO L93 Difference]: Finished difference Result 1225 states and 1599 transitions. [2023-11-29 03:14:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:14:14,164 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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 21 [2023-11-29 03:14:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:14,169 INFO L225 Difference]: With dead ends: 1225 [2023-11-29 03:14:14,169 INFO L226 Difference]: Without dead ends: 1225 [2023-11-29 03:14:14,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:14:14,170 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 3 mSDsluCounter, 10650 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11717 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:14,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11717 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-29 03:14:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2023-11-29 03:14:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2023-11-29 03:14:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 713 states have (on average 2.1360448807854135) internal successors, (1523), 1175 states have internal predecessors, (1523), 41 states have call successors, (41), 18 states have call predecessors, (41), 15 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1599 transitions. [2023-11-29 03:14:14,195 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1599 transitions. Word has length 21 [2023-11-29 03:14:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:14,195 INFO L495 AbstractCegarLoop]: Abstraction has 1225 states and 1599 transitions. [2023-11-29 03:14:14,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-11-29 03:14:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1599 transitions. [2023-11-29 03:14:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 03:14:14,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:14,197 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2023-11-29 03:14:14,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-29 03:14:14,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:14,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:14,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -776591597, now seen corresponding path program 2 times [2023-11-29 03:14:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:14,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676461742] [2023-11-29 03:14:14,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:14:14,398 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 [2023-11-29 03:14:14,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:14,399 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:14,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 03:14:14,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:14:14,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:14:14,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:14:14,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:14:14,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:14:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:14:15,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:14:15,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:15,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676461742] [2023-11-29 03:14:15,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676461742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:14:15,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:14:15,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:14:15,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179424501] [2023-11-29 03:14:15,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:14:15,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:14:15,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:15,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:14:15,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:15,215 INFO L87 Difference]: Start difference. First operand 1225 states and 1599 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:14:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:20,848 INFO L93 Difference]: Finished difference Result 1228 states and 1601 transitions. [2023-11-29 03:14:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:14:20,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-11-29 03:14:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:20,855 INFO L225 Difference]: With dead ends: 1228 [2023-11-29 03:14:20,855 INFO L226 Difference]: Without dead ends: 1228 [2023-11-29 03:14:20,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:20,856 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 6 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:20,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1753 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 03:14:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2023-11-29 03:14:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2023-11-29 03:14:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 716 states have (on average 2.1298882681564244) internal successors, (1525), 1177 states have internal predecessors, (1525), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1601 transitions. [2023-11-29 03:14:20,890 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1601 transitions. Word has length 25 [2023-11-29 03:14:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:20,890 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1601 transitions. [2023-11-29 03:14:20,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:14:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1601 transitions. [2023-11-29 03:14:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 03:14:20,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:20,892 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:14:20,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 03:14:21,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:21,093 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:21,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1224989353, now seen corresponding path program 1 times [2023-11-29 03:14:21,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035959597] [2023-11-29 03:14:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:14:21,094 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 [2023-11-29 03:14:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:21,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:21,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 03:14:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:14:21,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:14:21,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:21,972 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:14:21,972 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 1 case distinctions, treesize of input 9 treesize of output 15 [2023-11-29 03:14:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:14:22,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:14:22,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:22,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035959597] [2023-11-29 03:14:22,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035959597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:14:22,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:14:22,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:14:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883144057] [2023-11-29 03:14:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:14:22,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:14:22,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:22,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:14:22,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:22,009 INFO L87 Difference]: Start difference. First operand 1228 states and 1601 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:30,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:30,028 INFO L93 Difference]: Finished difference Result 1301 states and 1602 transitions. [2023-11-29 03:14:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:14:30,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-29 03:14:30,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:30,037 INFO L225 Difference]: With dead ends: 1301 [2023-11-29 03:14:30,037 INFO L226 Difference]: Without dead ends: 1301 [2023-11-29 03:14:30,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:30,038 INFO L413 NwaCegarLoop]: 932 mSDtfsCounter, 352 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:30,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1505 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-29 03:14:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2023-11-29 03:14:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1223. [2023-11-29 03:14:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 716 states have (on average 2.122905027932961) internal successors, (1520), 1172 states have internal predecessors, (1520), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1596 transitions. [2023-11-29 03:14:30,067 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1596 transitions. Word has length 32 [2023-11-29 03:14:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:30,067 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1596 transitions. [2023-11-29 03:14:30,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1596 transitions. [2023-11-29 03:14:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 03:14:30,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:30,068 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:14:30,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 03:14:30,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:30,269 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:30,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:30,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1224989352, now seen corresponding path program 1 times [2023-11-29 03:14:30,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:30,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401873946] [2023-11-29 03:14:30,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:14:30,271 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 [2023-11-29 03:14:30,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:30,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:30,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 03:14:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:14:31,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:14:31,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:31,306 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:14:31,307 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 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 03:14:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:14:31,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:14:31,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:31,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401873946] [2023-11-29 03:14:31,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401873946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:14:31,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:14:31,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:14:31,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432309414] [2023-11-29 03:14:31,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:14:31,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:14:31,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:31,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:14:31,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:14:31,422 INFO L87 Difference]: Start difference. First operand 1223 states and 1596 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:44,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:44,643 INFO L93 Difference]: Finished difference Result 1224 states and 1598 transitions. [2023-11-29 03:14:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:14:44,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-29 03:14:44,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:44,649 INFO L225 Difference]: With dead ends: 1224 [2023-11-29 03:14:44,649 INFO L226 Difference]: Without dead ends: 1224 [2023-11-29 03:14:44,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:14:44,650 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 856 mSDsluCounter, 3019 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:44,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 4069 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2023-11-29 03:14:44,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2023-11-29 03:14:44,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1222. [2023-11-29 03:14:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 716 states have (on average 2.1215083798882683) internal successors, (1519), 1171 states have internal predecessors, (1519), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1595 transitions. [2023-11-29 03:14:44,675 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1595 transitions. Word has length 32 [2023-11-29 03:14:44,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:44,675 INFO L495 AbstractCegarLoop]: Abstraction has 1222 states and 1595 transitions. [2023-11-29 03:14:44,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1595 transitions. [2023-11-29 03:14:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 03:14:44,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:44,677 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:14:44,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 03:14:44,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:44,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:44,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash -391847649, now seen corresponding path program 1 times [2023-11-29 03:14:44,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:44,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031474147] [2023-11-29 03:14:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:14:44,880 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 [2023-11-29 03:14:44,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:44,881 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:44,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 03:14:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:14:45,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:14:45,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:45,839 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:14:45,839 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 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 03:14:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:14:46,257 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-29 03:14:46,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 03:14:46,298 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:14:46,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:14:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:14:46,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:14:46,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:46,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031474147] [2023-11-29 03:14:46,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2031474147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:14:46,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:14:46,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:14:46,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958637788] [2023-11-29 03:14:46,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:14:46,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:14:46,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:46,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:14:46,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:14:46,490 INFO L87 Difference]: Start difference. First operand 1222 states and 1595 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:14:58,800 INFO L93 Difference]: Finished difference Result 1240 states and 1615 transitions. [2023-11-29 03:14:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:14:58,802 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-29 03:14:58,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:14:58,807 INFO L225 Difference]: With dead ends: 1240 [2023-11-29 03:14:58,807 INFO L226 Difference]: Without dead ends: 1240 [2023-11-29 03:14:58,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:14:58,808 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 906 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:14:58,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 4057 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2023-11-29 03:14:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2023-11-29 03:14:58,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1231. [2023-11-29 03:14:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 725 states have (on average 2.117241379310345) internal successors, (1535), 1180 states have internal predecessors, (1535), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:14:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1611 transitions. [2023-11-29 03:14:58,835 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1611 transitions. Word has length 34 [2023-11-29 03:14:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:14:58,835 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1611 transitions. [2023-11-29 03:14:58,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:14:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1611 transitions. [2023-11-29 03:14:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 03:14:58,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:14:58,836 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:14:58,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 03:14:59,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:14:59,037 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:14:59,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:14:59,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1393405312, now seen corresponding path program 1 times [2023-11-29 03:14:59,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:14:59,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277668380] [2023-11-29 03:14:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:14:59,039 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 [2023-11-29 03:14:59,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:14:59,040 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:14:59,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 03:14:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:14:59,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:14:59,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:14:59,862 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 [2023-11-29 03:14:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:14:59,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:14:59,918 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:14:59,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:14:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:14:59,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:14:59,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:14:59,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277668380] [2023-11-29 03:14:59,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277668380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:14:59,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:14:59,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:14:59,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339012830] [2023-11-29 03:14:59,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:14:59,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:14:59,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:14:59,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:14:59,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:14:59,954 INFO L87 Difference]: Start difference. First operand 1231 states and 1611 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:03,597 INFO L93 Difference]: Finished difference Result 1308 states and 1615 transitions. [2023-11-29 03:15:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-29 03:15:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:03,605 INFO L225 Difference]: With dead ends: 1308 [2023-11-29 03:15:03,605 INFO L226 Difference]: Without dead ends: 1308 [2023-11-29 03:15:03,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:03,606 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 352 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:03,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1502 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 03:15:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2023-11-29 03:15:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1230. [2023-11-29 03:15:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 725 states have (on average 2.1144827586206896) internal successors, (1533), 1179 states have internal predecessors, (1533), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:15:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1609 transitions. [2023-11-29 03:15:03,629 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1609 transitions. Word has length 36 [2023-11-29 03:15:03,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:03,630 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1609 transitions. [2023-11-29 03:15:03,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1609 transitions. [2023-11-29 03:15:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 03:15:03,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:03,631 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:03,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-29 03:15:03,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:15:03,833 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:15:03,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:03,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1393405313, now seen corresponding path program 1 times [2023-11-29 03:15:03,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:15:03,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150143893] [2023-11-29 03:15:03,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:03,834 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 [2023-11-29 03:15:03,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:15:03,835 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:15:03,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 03:15:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:04,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:15:04,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:04,673 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 [2023-11-29 03:15:04,684 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 11 treesize of output 10 [2023-11-29 03:15:04,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 03:15:04,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:15:04,997 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:15:04,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:15:05,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 03:15:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:15:05,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:05,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:15:05,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150143893] [2023-11-29 03:15:05,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150143893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:05,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:05,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:15:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785794767] [2023-11-29 03:15:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:05,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:15:05,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:15:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:15:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:15:05,316 INFO L87 Difference]: Start difference. First operand 1230 states and 1609 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:35,186 INFO L93 Difference]: Finished difference Result 1313 states and 1615 transitions. [2023-11-29 03:15:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:15:35,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-29 03:15:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:35,194 INFO L225 Difference]: With dead ends: 1313 [2023-11-29 03:15:35,194 INFO L226 Difference]: Without dead ends: 1313 [2023-11-29 03:15:35,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:15:35,195 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 1427 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:35,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 3772 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 29.5s Time] [2023-11-29 03:15:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2023-11-29 03:15:35,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1230. [2023-11-29 03:15:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 725 states have (on average 2.113103448275862) internal successors, (1532), 1179 states have internal predecessors, (1532), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:15:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1608 transitions. [2023-11-29 03:15:35,219 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1608 transitions. Word has length 36 [2023-11-29 03:15:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:35,219 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1608 transitions. [2023-11-29 03:15:35,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1608 transitions. [2023-11-29 03:15:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 03:15:35,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:35,220 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:35,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 03:15:35,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:15:35,421 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:15:35,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash -965421187, now seen corresponding path program 1 times [2023-11-29 03:15:35,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:15:35,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956185854] [2023-11-29 03:15:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:35,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:15:35,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:15:35,424 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:15:35,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 03:15:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:36,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:15:36,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:36,058 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 [2023-11-29 03:15:36,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-11-29 03:15:36,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2023-11-29 03:15:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:15:36,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:36,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:15:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956185854] [2023-11-29 03:15:36,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956185854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:36,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:36,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:15:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355451435] [2023-11-29 03:15:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:36,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:36,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:15:36,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:36,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:36,172 INFO L87 Difference]: Start difference. First operand 1230 states and 1608 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:44,928 INFO L93 Difference]: Finished difference Result 1229 states and 1606 transitions. [2023-11-29 03:15:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:15:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-11-29 03:15:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:44,935 INFO L225 Difference]: With dead ends: 1229 [2023-11-29 03:15:44,935 INFO L226 Difference]: Without dead ends: 1229 [2023-11-29 03:15:44,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:15:44,936 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 15 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:44,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3033 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 03:15:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2023-11-29 03:15:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2023-11-29 03:15:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 725 states have (on average 2.110344827586207) internal successors, (1530), 1178 states have internal predecessors, (1530), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:15:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1606 transitions. [2023-11-29 03:15:44,957 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1606 transitions. Word has length 38 [2023-11-29 03:15:44,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:44,958 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1606 transitions. [2023-11-29 03:15:44,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1606 transitions. [2023-11-29 03:15:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 03:15:44,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:44,959 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:44,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 03:15:45,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:15:45,173 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:15:45,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash -965421186, now seen corresponding path program 1 times [2023-11-29 03:15:45,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:15:45,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533821105] [2023-11-29 03:15:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:45,175 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 [2023-11-29 03:15:45,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:15:45,176 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:15:45,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 03:15:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:45,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:15:45,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:45,875 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 [2023-11-29 03:15:45,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 03:15:45,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-11-29 03:15:46,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-29 03:15:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:15:46,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:46,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:15:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533821105] [2023-11-29 03:15:46,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533821105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:46,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:46,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:15:46,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957281759] [2023-11-29 03:15:46,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:46,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:46,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:15:46,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:46,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:46,092 INFO L87 Difference]: Start difference. First operand 1229 states and 1606 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:58,033 INFO L93 Difference]: Finished difference Result 1228 states and 1604 transitions. [2023-11-29 03:15:58,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:15:58,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-11-29 03:15:58,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:58,040 INFO L225 Difference]: With dead ends: 1228 [2023-11-29 03:15:58,040 INFO L226 Difference]: Without dead ends: 1228 [2023-11-29 03:15:58,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:15:58,041 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 13 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3095 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:58,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3095 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-29 03:15:58,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2023-11-29 03:15:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2023-11-29 03:15:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 725 states have (on average 2.107586206896552) internal successors, (1528), 1177 states have internal predecessors, (1528), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:15:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1604 transitions. [2023-11-29 03:15:58,058 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1604 transitions. Word has length 38 [2023-11-29 03:15:58,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:58,058 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1604 transitions. [2023-11-29 03:15:58,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1604 transitions. [2023-11-29 03:15:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 03:15:58,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:58,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:58,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 03:15:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:15:58,260 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:15:58,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1703603176, now seen corresponding path program 1 times [2023-11-29 03:15:58,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:15:58,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731056905] [2023-11-29 03:15:58,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:58,261 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 [2023-11-29 03:15:58,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:15:58,262 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:15:58,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 03:15:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:58,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:15:58,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:58,834 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 [2023-11-29 03:15:58,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-11-29 03:15:58,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2023-11-29 03:15:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:15:58,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:58,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:15:58,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731056905] [2023-11-29 03:15:58,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731056905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:58,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:58,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:15:58,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719920205] [2023-11-29 03:15:58,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:58,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:58,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:15:58,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:58,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:58,969 INFO L87 Difference]: Start difference. First operand 1228 states and 1604 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:16:08,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:08,993 INFO L93 Difference]: Finished difference Result 1227 states and 1602 transitions. [2023-11-29 03:16:08,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:08,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2023-11-29 03:16:08,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:09,000 INFO L225 Difference]: With dead ends: 1227 [2023-11-29 03:16:09,001 INFO L226 Difference]: Without dead ends: 1227 [2023-11-29 03:16:09,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:16:09,001 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 10 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3030 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:09,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3030 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1632 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-11-29 03:16:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2023-11-29 03:16:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2023-11-29 03:16:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 725 states have (on average 2.1048275862068966) internal successors, (1526), 1176 states have internal predecessors, (1526), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:16:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1602 transitions. [2023-11-29 03:16:09,019 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1602 transitions. Word has length 41 [2023-11-29 03:16:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:09,020 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1602 transitions. [2023-11-29 03:16:09,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:16:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1602 transitions. [2023-11-29 03:16:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 03:16:09,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:09,021 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:09,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-29 03:16:09,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:16:09,221 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:16:09,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1703603175, now seen corresponding path program 1 times [2023-11-29 03:16:09,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:16:09,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603491703] [2023-11-29 03:16:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:09,224 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 [2023-11-29 03:16:09,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:16:09,225 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:16:09,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-29 03:16:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:10,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:16:10,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:16:10,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:16:10,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 03:16:10,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-11-29 03:16:10,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-29 03:16:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:16:10,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:16:10,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:16:10,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603491703] [2023-11-29 03:16:10,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603491703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:10,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:10,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:16:10,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999457725] [2023-11-29 03:16:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:10,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:16:10,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:16:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:16:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:16:10,510 INFO L87 Difference]: Start difference. First operand 1227 states and 1602 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:16:24,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:24,567 INFO L93 Difference]: Finished difference Result 1234 states and 1609 transitions. [2023-11-29 03:16:24,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:16:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2023-11-29 03:16:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:24,575 INFO L225 Difference]: With dead ends: 1234 [2023-11-29 03:16:24,575 INFO L226 Difference]: Without dead ends: 1234 [2023-11-29 03:16:24,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:24,576 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 15 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:24,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3088 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-11-29 03:16:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2023-11-29 03:16:24,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1233. [2023-11-29 03:16:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 731 states have (on average 2.097127222982216) internal successors, (1533), 1182 states have internal predecessors, (1533), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:16:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1609 transitions. [2023-11-29 03:16:24,596 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1609 transitions. Word has length 41 [2023-11-29 03:16:24,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:24,596 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 1609 transitions. [2023-11-29 03:16:24,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:16:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1609 transitions. [2023-11-29 03:16:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 03:16:24,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:24,597 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:24,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-11-29 03:16:24,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:16:24,798 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:16:24,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:24,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1643927850, now seen corresponding path program 1 times [2023-11-29 03:16:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:16:24,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290625696] [2023-11-29 03:16:24,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:24,801 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 [2023-11-29 03:16:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:16:24,803 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:16:24,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-29 03:16:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:25,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:16:25,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:16:25,613 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 [2023-11-29 03:16:25,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-11-29 03:16:25,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 03:16:26,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-29 03:16:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:16:26,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:16:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:16:28,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:16:28,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290625696] [2023-11-29 03:16:28,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290625696] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:16:28,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:16:28,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 03:16:28,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825024159] [2023-11-29 03:16:28,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:16:28,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:16:28,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:16:28,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:16:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:16:28,357 INFO L87 Difference]: Start difference. First operand 1233 states and 1609 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:28,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:28,966 INFO L93 Difference]: Finished difference Result 1242 states and 1616 transitions. [2023-11-29 03:17:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:17:28,969 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2023-11-29 03:17:28,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:28,975 INFO L225 Difference]: With dead ends: 1242 [2023-11-29 03:17:28,975 INFO L226 Difference]: Without dead ends: 1242 [2023-11-29 03:17:28,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:28,976 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 20 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 3552 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:28,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 5786 Invalid, 3556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3552 Invalid, 0 Unknown, 0 Unchecked, 59.4s Time] [2023-11-29 03:17:28,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2023-11-29 03:17:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1240. [2023-11-29 03:17:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 739 states have (on average 2.0838971583220567) internal successors, (1540), 1189 states have internal predecessors, (1540), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:17:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1616 transitions. [2023-11-29 03:17:29,007 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1616 transitions. Word has length 44 [2023-11-29 03:17:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:29,007 INFO L495 AbstractCegarLoop]: Abstraction has 1240 states and 1616 transitions. [2023-11-29 03:17:29,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1616 transitions. [2023-11-29 03:17:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 03:17:29,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:29,008 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:29,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-11-29 03:17:29,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:17:29,208 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:17:29,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash -260104054, now seen corresponding path program 1 times [2023-11-29 03:17:29,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:17:29,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222597125] [2023-11-29 03:17:29,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:29,210 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 [2023-11-29 03:17:29,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:17:29,210 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:17:29,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-29 03:17:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:29,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:17:29,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:17:30,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:17:30,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:17:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222597125] [2023-11-29 03:17:30,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222597125] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:30,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:17:30,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 03:17:30,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52146645] [2023-11-29 03:17:30,151 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:30,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:17:30,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:17:30,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:17:30,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:17:30,152 INFO L87 Difference]: Start difference. First operand 1240 states and 1616 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:34,524 INFO L93 Difference]: Finished difference Result 1277 states and 1651 transitions. [2023-11-29 03:17:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:17:34,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-29 03:17:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:34,532 INFO L225 Difference]: With dead ends: 1277 [2023-11-29 03:17:34,533 INFO L226 Difference]: Without dead ends: 1277 [2023-11-29 03:17:34,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:17:34,533 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 33 mSDsluCounter, 5280 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 6338 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:34,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 6338 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 03:17:34,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2023-11-29 03:17:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1270. [2023-11-29 03:17:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 769 states have (on average 2.0481144343302993) internal successors, (1575), 1219 states have internal predecessors, (1575), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:17:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1651 transitions. [2023-11-29 03:17:34,553 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1651 transitions. Word has length 51 [2023-11-29 03:17:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:34,553 INFO L495 AbstractCegarLoop]: Abstraction has 1270 states and 1651 transitions. [2023-11-29 03:17:34,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1651 transitions. [2023-11-29 03:17:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 03:17:34,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:34,555 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:34,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-11-29 03:17:34,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:17:34,755 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:17:34,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash -55259237, now seen corresponding path program 2 times [2023-11-29 03:17:34,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:17:34,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561368248] [2023-11-29 03:17:34,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:17:34,757 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 [2023-11-29 03:17:34,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:17:34,758 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:17:34,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-29 03:17:36,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:17:36,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:17:36,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:17:36,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:17:37,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 03:17:37,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:17:37,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561368248] [2023-11-29 03:17:37,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561368248] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:37,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:17:37,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 03:17:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734973088] [2023-11-29 03:17:37,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:37,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 03:17:37,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:17:37,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 03:17:37,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:17:37,638 INFO L87 Difference]: Start difference. First operand 1270 states and 1651 transitions. Second operand has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:47,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:47,344 INFO L93 Difference]: Finished difference Result 1291 states and 1665 transitions. [2023-11-29 03:17:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:17:47,346 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2023-11-29 03:17:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:47,355 INFO L225 Difference]: With dead ends: 1291 [2023-11-29 03:17:47,355 INFO L226 Difference]: Without dead ends: 1291 [2023-11-29 03:17:47,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:17:47,356 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 34 mSDsluCounter, 13767 mSDsCounter, 0 mSdLazyCounter, 1827 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 14830 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:47,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 14830 Invalid, 1828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1827 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-29 03:17:47,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2023-11-29 03:17:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1282. [2023-11-29 03:17:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 781 states have (on average 2.034571062740077) internal successors, (1589), 1231 states have internal predecessors, (1589), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:17:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1665 transitions. [2023-11-29 03:17:47,381 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1665 transitions. Word has length 66 [2023-11-29 03:17:47,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:47,381 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1665 transitions. [2023-11-29 03:17:47,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:17:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1665 transitions. [2023-11-29 03:17:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 03:17:47,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:47,382 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:47,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-11-29 03:17:47,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:17:47,583 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:17:47,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1412456133, now seen corresponding path program 3 times [2023-11-29 03:17:47,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:17:47,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592547278] [2023-11-29 03:17:47,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 03:17:47,585 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 [2023-11-29 03:17:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:17:47,586 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:17:47,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-29 03:17:49,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 03:17:49,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:17:49,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 03:17:49,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:17:49,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 03:17:49,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:17:49,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:17:49,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 03:17:49,579 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:17:49,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:17:51,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:17:51,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 03:17:51,569 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:17:51,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:17:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:17:51,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:55,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:17:55,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 82 [2023-11-29 03:17:57,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:17:57,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2023-11-29 03:17:58,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:17:58,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:17:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:17:59,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:17:59,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592547278] [2023-11-29 03:17:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592547278] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:17:59,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:17:59,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 03:17:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20398179] [2023-11-29 03:17:59,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:17:59,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 03:17:59,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:17:59,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 03:17:59,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:59,143 INFO L87 Difference]: Start difference. First operand 1282 states and 1665 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:19:04,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:04,381 INFO L93 Difference]: Finished difference Result 1838 states and 2318 transitions. [2023-11-29 03:19:04,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:19:04,382 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 72 [2023-11-29 03:19:04,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:04,387 INFO L225 Difference]: With dead ends: 1838 [2023-11-29 03:19:04,387 INFO L226 Difference]: Without dead ends: 1838 [2023-11-29 03:19:04,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:19:04,388 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3589 mSDsluCounter, 5394 mSDsCounter, 0 mSdLazyCounter, 4594 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 6242 SdHoareTripleChecker+Invalid, 4639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 4594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:04,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 6242 Invalid, 4639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 4594 Invalid, 0 Unknown, 0 Unchecked, 64.1s Time] [2023-11-29 03:19:04,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2023-11-29 03:19:04,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1534. [2023-11-29 03:19:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1034 states have (on average 2.0647969052224373) internal successors, (2135), 1480 states have internal predecessors, (2135), 44 states have call successors, (44), 19 states have call predecessors, (44), 16 states have return successors, (38), 35 states have call predecessors, (38), 37 states have call successors, (38) [2023-11-29 03:19:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2217 transitions. [2023-11-29 03:19:04,409 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2217 transitions. Word has length 72 [2023-11-29 03:19:04,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:04,409 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 2217 transitions. [2023-11-29 03:19:04,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:19:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2217 transitions. [2023-11-29 03:19:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 03:19:04,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:04,410 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:19:04,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2023-11-29 03:19:04,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:19:04,610 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:19:04,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:04,611 INFO L85 PathProgramCache]: Analyzing trace with hash -836466715, now seen corresponding path program 1 times [2023-11-29 03:19:04,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:19:04,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305197093] [2023-11-29 03:19:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:04,612 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 [2023-11-29 03:19:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:19:04,612 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:19:04,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-11-29 03:19:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:06,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:19:06,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:06,519 INFO L349 Elim1Store]: treesize reduction 79, result has 19.4 percent of original size [2023-11-29 03:19:06,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 34 [2023-11-29 03:19:06,632 INFO L349 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2023-11-29 03:19:06,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 34 [2023-11-29 03:19:06,738 INFO L349 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2023-11-29 03:19:06,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 34 [2023-11-29 03:19:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:19:06,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:19:06,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:19:06,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305197093] [2023-11-29 03:19:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305197093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:06,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:06,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:19:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867352676] [2023-11-29 03:19:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:06,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:19:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:19:06,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:19:06,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:19:06,865 INFO L87 Difference]: Start difference. First operand 1534 states and 2217 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:19:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:16,644 INFO L93 Difference]: Finished difference Result 1611 states and 2221 transitions. [2023-11-29 03:19:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:19:16,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2023-11-29 03:19:16,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:16,653 INFO L225 Difference]: With dead ends: 1611 [2023-11-29 03:19:16,653 INFO L226 Difference]: Without dead ends: 1611 [2023-11-29 03:19:16,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:19:16,654 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 660 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:16,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 2078 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-29 03:19:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2023-11-29 03:19:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1533. [2023-11-29 03:19:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1034 states have (on average 2.0628626692456478) internal successors, (2133), 1479 states have internal predecessors, (2133), 44 states have call successors, (44), 19 states have call predecessors, (44), 16 states have return successors, (38), 35 states have call predecessors, (38), 37 states have call successors, (38) [2023-11-29 03:19:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2215 transitions. [2023-11-29 03:19:16,674 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2215 transitions. Word has length 73 [2023-11-29 03:19:16,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:16,675 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 2215 transitions. [2023-11-29 03:19:16,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:19:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2215 transitions. [2023-11-29 03:19:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 03:19:16,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:16,676 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:19:16,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2023-11-29 03:19:16,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:19:16,876 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:19:16,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -836466714, now seen corresponding path program 1 times [2023-11-29 03:19:16,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:19:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040329438] [2023-11-29 03:19:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:16,878 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 [2023-11-29 03:19:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:19:16,878 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:19:16,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-11-29 03:19:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:18,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 03:19:18,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:18,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 03:19:18,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:19:18,915 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 03:19:18,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 03:19:18,959 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:19:18,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:19:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,008 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-29 03:19:21,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2023-11-29 03:19:21,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,093 INFO L349 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2023-11-29 03:19:21,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 20 [2023-11-29 03:19:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,208 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:19:21,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16 [2023-11-29 03:19:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,277 INFO L349 Elim1Store]: treesize reduction 9, result has 35.7 percent of original size [2023-11-29 03:19:21,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 19 [2023-11-29 03:19:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2023-11-29 03:19:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 03:19:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,433 INFO L349 Elim1Store]: treesize reduction 9, result has 35.7 percent of original size [2023-11-29 03:19:21,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 19 [2023-11-29 03:19:21,468 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:19:21,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:19:21,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2023-11-29 03:19:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 03:19:21,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2023-11-29 03:19:21,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:19:21,651 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:19:21,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16 [2023-11-29 03:19:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:19:21,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:30,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:19:30,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 188 [2023-11-29 03:19:55,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:19:55,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 155 [2023-11-29 03:20:00,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:20:00,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:20:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:20:01,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:20:01,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040329438] [2023-11-29 03:20:01,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040329438] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:20:01,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:20:01,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 03:20:01,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755943414] [2023-11-29 03:20:01,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:20:01,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 03:20:01,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:20:01,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 03:20:01,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=326, Unknown=6, NotChecked=0, Total=420 [2023-11-29 03:20:01,132 INFO L87 Difference]: Start difference. First operand 1533 states and 2215 transitions. Second operand has 21 states, 20 states have (on average 2.2) internal successors, (44), 19 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:21:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:59,318 INFO L93 Difference]: Finished difference Result 2698 states and 3394 transitions. [2023-11-29 03:21:59,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:21:59,320 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.2) internal successors, (44), 19 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2023-11-29 03:21:59,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:59,324 INFO L225 Difference]: With dead ends: 2698 [2023-11-29 03:21:59,325 INFO L226 Difference]: Without dead ends: 2698 [2023-11-29 03:21:59,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 36.5s TimeCoverageRelationStatistics Valid=218, Invalid=706, Unknown=6, NotChecked=0, Total=930 [2023-11-29 03:21:59,326 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 4603 mSDsluCounter, 5818 mSDsCounter, 0 mSdLazyCounter, 6608 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4616 SdHoareTripleChecker+Valid, 6558 SdHoareTripleChecker+Invalid, 6672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 6608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:59,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4616 Valid, 6558 Invalid, 6672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 6608 Invalid, 0 Unknown, 0 Unchecked, 114.0s Time] [2023-11-29 03:21:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2023-11-29 03:21:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1426. [2023-11-29 03:21:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 927 states have (on average 2.0399137001078747) internal successors, (1891), 1373 states have internal predecessors, (1891), 43 states have call successors, (43), 19 states have call predecessors, (43), 16 states have return successors, (37), 34 states have call predecessors, (37), 36 states have call successors, (37) [2023-11-29 03:21:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1971 transitions. [2023-11-29 03:21:59,357 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1971 transitions. Word has length 73 [2023-11-29 03:21:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:59,357 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 1971 transitions. [2023-11-29 03:21:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.2) internal successors, (44), 19 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:21:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1971 transitions. [2023-11-29 03:21:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:21:59,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:59,358 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:21:59,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-11-29 03:21:59,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:21:59,558 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:21:59,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash -158804323, now seen corresponding path program 1 times [2023-11-29 03:21:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:21:59,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797255225] [2023-11-29 03:21:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:21:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:21:59,561 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:21:59,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-11-29 03:22:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:22:01,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 03:22:01,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:22:01,209 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 [2023-11-29 03:22:01,220 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 11 treesize of output 10 [2023-11-29 03:22:01,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 03:22:01,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:22:01,575 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:22:01,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:22:01,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 03:22:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:22:03,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 03:22:03,642 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:22:03,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:22:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:22:03,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:22:07,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:22:07,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 82 [2023-11-29 03:22:16,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:22:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:22:16,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:22:16,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797255225] [2023-11-29 03:22:16,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797255225] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:22:16,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:22:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2023-11-29 03:22:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429451066] [2023-11-29 03:22:16,488 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:22:16,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:22:16,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:22:16,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:22:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=250, Unknown=1, NotChecked=0, Total=306 [2023-11-29 03:22:16,489 INFO L87 Difference]: Start difference. First operand 1426 states and 1971 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:23:48,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:48,440 INFO L93 Difference]: Finished difference Result 1541 states and 2015 transitions. [2023-11-29 03:23:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:23:48,442 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2023-11-29 03:23:48,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:48,447 INFO L225 Difference]: With dead ends: 1541 [2023-11-29 03:23:48,447 INFO L226 Difference]: Without dead ends: 1541 [2023-11-29 03:23:48,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=117, Invalid=434, Unknown=1, NotChecked=0, Total=552 [2023-11-29 03:23:48,448 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 1794 mSDsluCounter, 6397 mSDsCounter, 0 mSdLazyCounter, 6052 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 7248 SdHoareTripleChecker+Invalid, 6076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:48,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 7248 Invalid, 6076 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 6052 Invalid, 0 Unknown, 0 Unchecked, 90.6s Time] [2023-11-29 03:23:48,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2023-11-29 03:23:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1428. [2023-11-29 03:23:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 929 states have (on average 2.03767491926803) internal successors, (1893), 1375 states have internal predecessors, (1893), 43 states have call successors, (43), 19 states have call predecessors, (43), 16 states have return successors, (37), 34 states have call predecessors, (37), 36 states have call successors, (37) [2023-11-29 03:23:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1973 transitions. [2023-11-29 03:23:48,471 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1973 transitions. Word has length 74 [2023-11-29 03:23:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:48,471 INFO L495 AbstractCegarLoop]: Abstraction has 1428 states and 1973 transitions. [2023-11-29 03:23:48,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:23:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1973 transitions. [2023-11-29 03:23:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 03:23:48,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:48,472 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:48,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-11-29 03:23:48,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:23:48,673 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:23:48,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:48,674 INFO L85 PathProgramCache]: Analyzing trace with hash -685539251, now seen corresponding path program 1 times [2023-11-29 03:23:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:23:48,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002106100] [2023-11-29 03:23:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:48,675 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 [2023-11-29 03:23:48,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:23:48,676 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:23:48,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-11-29 03:23:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:50,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 03:23:50,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:23:50,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 03:23:50,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:23:50,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:23:50,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 03:23:50,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 03:23:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:23:50,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 14 [2023-11-29 03:23:50,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:23:50,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 14 [2023-11-29 03:23:53,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:23:53,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:23:53,148 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:23:53,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:53,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 10 [2023-11-29 03:23:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:23:53,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:55,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2023-11-29 03:23:55,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 170 [2023-11-29 03:23:55,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2023-11-29 03:23:55,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2023-11-29 03:23:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:23:55,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:23:55,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002106100] [2023-11-29 03:23:55,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002106100] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:23:55,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:23:55,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2023-11-29 03:23:55,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833828685] [2023-11-29 03:23:55,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:23:55,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:23:55,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:23:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:23:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:23:55,474 INFO L87 Difference]: Start difference. First operand 1428 states and 1973 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:24:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:13,701 INFO L93 Difference]: Finished difference Result 2372 states and 3304 transitions. [2023-11-29 03:24:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:24:13,703 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2023-11-29 03:24:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:13,707 INFO L225 Difference]: With dead ends: 2372 [2023-11-29 03:24:13,707 INFO L226 Difference]: Without dead ends: 2372 [2023-11-29 03:24:13,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:24:13,708 INFO L413 NwaCegarLoop]: 1024 mSDtfsCounter, 3158 mSDsluCounter, 10560 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 11584 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:13,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 11584 Invalid, 1923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2023-11-29 03:24:13,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2023-11-29 03:24:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 1286. [2023-11-29 03:24:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 790 states have (on average 2.0063291139240507) internal successors, (1585), 1235 states have internal predecessors, (1585), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:24:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1661 transitions. [2023-11-29 03:24:13,728 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1661 transitions. Word has length 75 [2023-11-29 03:24:13,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:13,728 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1661 transitions. [2023-11-29 03:24:13,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:24:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1661 transitions. [2023-11-29 03:24:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:24:13,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:13,729 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:13,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2023-11-29 03:24:13,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:13,930 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:13,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash 221349007, now seen corresponding path program 1 times [2023-11-29 03:24:13,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180341901] [2023-11-29 03:24:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:13,931 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 [2023-11-29 03:24:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:13,932 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:13,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-11-29 03:24:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:24:15,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:15,064 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 [2023-11-29 03:24:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:15,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:24:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:15,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:24:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:15,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:24:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:15,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:24:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:15,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:24:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:15,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:15,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:15,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180341901] [2023-11-29 03:24:15,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180341901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:15,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:15,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:24:15,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509307543] [2023-11-29 03:24:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:15,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:24:15,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:15,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:24:15,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:24:15,201 INFO L87 Difference]: Start difference. First operand 1286 states and 1661 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:24:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:21,935 INFO L93 Difference]: Finished difference Result 1413 states and 1738 transitions. [2023-11-29 03:24:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:24:21,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2023-11-29 03:24:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:21,940 INFO L225 Difference]: With dead ends: 1413 [2023-11-29 03:24:21,940 INFO L226 Difference]: Without dead ends: 1413 [2023-11-29 03:24:21,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:21,941 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 1006 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:21,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1846 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-29 03:24:21,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2023-11-29 03:24:21,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1253. [2023-11-29 03:24:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 794 states have (on average 1.9433249370277077) internal successors, (1543), 1202 states have internal predecessors, (1543), 41 states have call successors, (41), 19 states have call predecessors, (41), 16 states have return successors, (35), 32 states have call predecessors, (35), 34 states have call successors, (35) [2023-11-29 03:24:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1619 transitions. [2023-11-29 03:24:21,961 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1619 transitions. Word has length 76 [2023-11-29 03:24:21,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:21,962 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1619 transitions. [2023-11-29 03:24:21,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:24:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1619 transitions. [2023-11-29 03:24:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:24:21,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:21,963 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:21,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2023-11-29 03:24:22,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:22,164 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:22,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash 221349008, now seen corresponding path program 1 times [2023-11-29 03:24:22,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:22,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682657552] [2023-11-29 03:24:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:22,165 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 [2023-11-29 03:24:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:22,166 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:22,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-11-29 03:24:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:23,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:24:23,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:23,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-29 03:24:23,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:23,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:24:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:23,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:24:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:23,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:24:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:23,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:24:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:23,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:24:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:23,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:23,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:23,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682657552] [2023-11-29 03:24:23,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682657552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:23,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:23,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:24:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566308031] [2023-11-29 03:24:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:23,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:24:23,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:24:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:24:23,526 INFO L87 Difference]: Start difference. First operand 1253 states and 1619 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:24:35,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:35,470 INFO L93 Difference]: Finished difference Result 1778 states and 2198 transitions. [2023-11-29 03:24:35,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:24:35,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2023-11-29 03:24:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:35,476 INFO L225 Difference]: With dead ends: 1778 [2023-11-29 03:24:35,476 INFO L226 Difference]: Without dead ends: 1778 [2023-11-29 03:24:35,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:35,477 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 1161 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:35,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 2071 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-29 03:24:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2023-11-29 03:24:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1402. [2023-11-29 03:24:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 942 states have (on average 1.9426751592356688) internal successors, (1830), 1350 states have internal predecessors, (1830), 42 states have call successors, (42), 19 states have call predecessors, (42), 16 states have return successors, (36), 33 states have call predecessors, (36), 35 states have call successors, (36) [2023-11-29 03:24:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1908 transitions. [2023-11-29 03:24:35,496 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1908 transitions. Word has length 76 [2023-11-29 03:24:35,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:35,496 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1908 transitions. [2023-11-29 03:24:35,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:24:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1908 transitions. [2023-11-29 03:24:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 03:24:35,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:35,497 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:35,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2023-11-29 03:24:35,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:35,698 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:35,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:35,698 INFO L85 PathProgramCache]: Analyzing trace with hash -209995919, now seen corresponding path program 1 times [2023-11-29 03:24:35,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:35,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240750645] [2023-11-29 03:24:35,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:35,699 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 [2023-11-29 03:24:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:35,700 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:35,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-11-29 03:24:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:36,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:24:36,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:36,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:36,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:36,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240750645] [2023-11-29 03:24:36,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240750645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:36,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:36,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:24:36,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104939653] [2023-11-29 03:24:36,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:36,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:24:36,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:36,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:24:36,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:24:36,933 INFO L87 Difference]: Start difference. First operand 1402 states and 1908 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:24:39,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:39,521 INFO L93 Difference]: Finished difference Result 1404 states and 1910 transitions. [2023-11-29 03:24:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:24:39,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2023-11-29 03:24:39,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:39,526 INFO L225 Difference]: With dead ends: 1404 [2023-11-29 03:24:39,526 INFO L226 Difference]: Without dead ends: 1403 [2023-11-29 03:24:39,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:39,527 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 1 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3035 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:39,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3035 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 03:24:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2023-11-29 03:24:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1403. [2023-11-29 03:24:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1403 states, 943 states have (on average 1.941675503711559) internal successors, (1831), 1351 states have internal predecessors, (1831), 42 states have call successors, (42), 19 states have call predecessors, (42), 16 states have return successors, (36), 33 states have call predecessors, (36), 35 states have call successors, (36) [2023-11-29 03:24:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1909 transitions. [2023-11-29 03:24:39,541 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1909 transitions. Word has length 81 [2023-11-29 03:24:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:39,542 INFO L495 AbstractCegarLoop]: Abstraction has 1403 states and 1909 transitions. [2023-11-29 03:24:39,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:24:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1909 transitions. [2023-11-29 03:24:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 03:24:39,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:39,543 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:39,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2023-11-29 03:24:39,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:39,743 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:39,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:39,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1759447480, now seen corresponding path program 1 times [2023-11-29 03:24:39,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:39,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356958952] [2023-11-29 03:24:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:39,745 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 [2023-11-29 03:24:39,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:39,746 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:39,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-11-29 03:24:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:40,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:24:40,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:41,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:41,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:41,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356958952] [2023-11-29 03:24:41,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356958952] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:24:41,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:24:41,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 03:24:41,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340836126] [2023-11-29 03:24:41,194 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:24:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:24:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:24:41,195 INFO L87 Difference]: Start difference. First operand 1403 states and 1909 transitions. Second operand has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:24:45,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:45,553 INFO L93 Difference]: Finished difference Result 1408 states and 1915 transitions. [2023-11-29 03:24:45,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:45,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 82 [2023-11-29 03:24:45,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:45,558 INFO L225 Difference]: With dead ends: 1408 [2023-11-29 03:24:45,559 INFO L226 Difference]: Without dead ends: 1406 [2023-11-29 03:24:45,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:24:45,560 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 1 mSDsluCounter, 5057 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6069 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:45,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6069 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 03:24:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2023-11-29 03:24:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1406. [2023-11-29 03:24:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 946 states have (on average 1.9386892177589852) internal successors, (1834), 1354 states have internal predecessors, (1834), 42 states have call successors, (42), 19 states have call predecessors, (42), 16 states have return successors, (36), 33 states have call predecessors, (36), 35 states have call successors, (36) [2023-11-29 03:24:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1912 transitions. [2023-11-29 03:24:45,578 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1912 transitions. Word has length 82 [2023-11-29 03:24:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:45,578 INFO L495 AbstractCegarLoop]: Abstraction has 1406 states and 1912 transitions. [2023-11-29 03:24:45,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:24:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1912 transitions. [2023-11-29 03:24:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:24:45,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:45,579 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:45,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-11-29 03:24:45,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:45,779 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:45,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:45,780 INFO L85 PathProgramCache]: Analyzing trace with hash -622751439, now seen corresponding path program 2 times [2023-11-29 03:24:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146456072] [2023-11-29 03:24:45,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:24:45,781 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 [2023-11-29 03:24:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:45,782 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-11-29 03:24:47,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:24:47,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:24:47,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:24:47,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:47,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 03:24:48,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:48,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146456072] [2023-11-29 03:24:48,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146456072] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:24:48,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:24:48,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-29 03:24:48,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737676641] [2023-11-29 03:24:48,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:24:48,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:24:48,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:24:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:24:48,193 INFO L87 Difference]: Start difference. First operand 1406 states and 1912 transitions. Second operand has 14 states, 12 states have (on average 3.5) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:24:54,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:54,503 INFO L93 Difference]: Finished difference Result 1414 states and 1924 transitions. [2023-11-29 03:24:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:24:54,505 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.5) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2023-11-29 03:24:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:54,509 INFO L225 Difference]: With dead ends: 1414 [2023-11-29 03:24:54,510 INFO L226 Difference]: Without dead ends: 1412 [2023-11-29 03:24:54,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:24:54,511 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 1 mSDsluCounter, 7079 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:54,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8091 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-29 03:24:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2023-11-29 03:24:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1412. [2023-11-29 03:24:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 952 states have (on average 1.9327731092436975) internal successors, (1840), 1360 states have internal predecessors, (1840), 42 states have call successors, (42), 19 states have call predecessors, (42), 16 states have return successors, (36), 33 states have call predecessors, (36), 35 states have call successors, (36) [2023-11-29 03:24:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1918 transitions. [2023-11-29 03:24:54,533 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1918 transitions. Word has length 85 [2023-11-29 03:24:54,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:54,534 INFO L495 AbstractCegarLoop]: Abstraction has 1412 states and 1918 transitions. [2023-11-29 03:24:54,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.5) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:24:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1918 transitions. [2023-11-29 03:24:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 03:24:54,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:54,535 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:54,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2023-11-29 03:24:54,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:54,735 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpy#1Err0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpy#1Err2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 572 more)] === [2023-11-29 03:24:54,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash 566752209, now seen corresponding path program 3 times [2023-11-29 03:24:54,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:54,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917504531] [2023-11-29 03:24:54,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 03:24:54,737 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 [2023-11-29 03:24:54,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:54,738 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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) [2023-11-29 03:24:54,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa63045-3828-4325-bfa5-ca79c9364b85/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-11-29 03:24:56,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 03:24:56,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:24:56,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-29 03:24:56,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:24:56,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:24:57,248 INFO L349 Elim1Store]: treesize reduction 336, result has 31.6 percent of original size [2023-11-29 03:24:57,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 92 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 112 treesize of output 228 [2023-11-29 03:24:57,343 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:57,981 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:58,290 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:58,619 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:58,931 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:59,250 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:59,607 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:24:59,916 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:00,205 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:00,536 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:00,830 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:01,155 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:01,469 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:01,787 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:02,099 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:02,402 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:02,707 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:03,028 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:03,332 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:03,639 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:03,964 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:04,292 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:04,604 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:04,918 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:05,229 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:05,519 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:05,806 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:06,109 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:06,404 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:06,711 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:06,964 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:07,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:07,414 INFO L224 Elim1Store]: Index analysis took 284 ms [2023-11-29 03:25:08,766 INFO L349 Elim1Store]: treesize reduction 560, result has 27.4 percent of original size [2023-11-29 03:25:08,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 92 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 284 [2023-11-29 03:25:08,876 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 03:25:08,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 13 [2023-11-29 03:25:09,774 INFO L349 Elim1Store]: treesize reduction 200, result has 43.0 percent of original size [2023-11-29 03:25:09,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 107 treesize of output 221 [2023-11-29 03:25:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:10,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:25:10,758 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:12,384 INFO L349 Elim1Store]: treesize reduction 196, result has 60.1 percent of original size [2023-11-29 03:25:12,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 168 treesize of output 424 [2023-11-29 03:25:12,483 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 03:25:12,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-29 03:25:14,969 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:15,446 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:15,930 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:16,413 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:16,872 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:17,350 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:17,828 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:18,302 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:18,786 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:19,248 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:19,696 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:20,162 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:20,581 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:21,014 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:21,420 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:21,862 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:22,309 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:22,771 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:23,209 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:23,666 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:24,101 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:24,594 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:25,056 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:25,531 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:25,996 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:26,465 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:26,930 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:27,383 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:27,866 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:28,359 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:28,858 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:29,342 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:29,835 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:30,277 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:30,742 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:31,208 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:31,699 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:32,176 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:32,642 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,097 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,135 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,166 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:33,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 100 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 6 case distinctions, treesize of input 160 treesize of output 190 [2023-11-29 03:25:33,578 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:33,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2023-11-29 03:25:33,625 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:33,800 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:33,916 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,010 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,132 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,227 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:34,339 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,481 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,603 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,730 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,841 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:34,944 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,054 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,157 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:35,169 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:35,265 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,390 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,528 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,648 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,758 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:35,899 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:36,031 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:36,167 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:36,180 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:36,194 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:36,336 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 03:25:36,336 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,347 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 03:25:36,348 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,367 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2023-11-29 03:25:36,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 123 [2023-11-29 03:25:36,554 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,561 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:25:36,591 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:25:36,662 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,680 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:25:36,749 WARN L667 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2023-11-29 03:25:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:25:36,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:25:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-11-29 03:25:37,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:37,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:25:37,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917504531] [2023-11-29 03:25:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917504531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:25:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854961508] [2023-11-29 03:25:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:37,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:25:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:25:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:25:37,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:37,522 INFO L87 Difference]: Start difference. First operand 1412 states and 1918 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:25:43,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:53,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:25:55,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:06,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:10,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:14,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:28,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:32,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:27:02,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]