./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:31:27,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:31:27,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:31:27,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:31:27,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:31:27,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:31:27,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:31:27,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:31:27,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:31:27,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:31:27,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:31:27,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:31:27,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:31:27,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:31:27,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:31:27,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:31:27,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:31:27,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:31:27,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:31:27,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:31:27,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:31:27,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:31:27,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:31:27,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:31:27,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:31:27,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:31:27,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:31:27,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:31:27,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:31:27,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:31:27,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:31:27,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:31:27,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:31:27,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:31:27,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:31:27,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:31:27,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:31:27,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:31:27,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:31:27,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:31:27,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:31:27,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-17 10:31:27,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:31:27,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:31:27,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:31:27,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:31:27,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:31:27,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:31:27,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:31:27,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:31:27,449 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:31:27,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:31:27,451 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:31:27,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:31:27,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:31:27,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:31:27,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:31:27,461 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:31:27,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:31:27,462 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:31:27,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:31:27,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:31:27,462 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:31:27,463 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:31:27,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:31:27,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:31:27,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:31:27,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:27,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:31:27,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:31:27,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:31:27,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:31:27,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2022-10-17 10:31:27,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:31:27,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:31:27,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:31:27,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:31:27,850 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:31:27,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2022-10-17 10:31:27,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/9240a6a50/6e39411a7a654af9833aca35020c8db6/FLAG4fd8b87fb [2022-10-17 10:31:28,811 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:31:28,812 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2022-10-17 10:31:28,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/9240a6a50/6e39411a7a654af9833aca35020c8db6/FLAG4fd8b87fb [2022-10-17 10:31:28,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/9240a6a50/6e39411a7a654af9833aca35020c8db6 [2022-10-17 10:31:28,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:31:28,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:31:28,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:28,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:31:28,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:31:28,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:28" (1/1) ... [2022-10-17 10:31:28,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775521cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:28, skipping insertion in model container [2022-10-17 10:31:28,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:28" (1/1) ... [2022-10-17 10:31:28,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:31:28,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:29,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2022-10-17 10:31:29,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2022-10-17 10:31:29,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2022-10-17 10:31:29,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:29,646 ERROR L326 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) [2022-10-17 10:31:29,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d7e6d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:29, skipping insertion in model container [2022-10-17 10:31:29,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:29,647 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 10:31:29,650 INFO L158 Benchmark]: Toolchain (without parser) took 763.16ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 70.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:31:29,651 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:31:29,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.30ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 70.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:31:29,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.30ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 70.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 716]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:31:32,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:31:32,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:31:32,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:31:32,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:31:32,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:31:32,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:31:32,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:31:32,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:31:32,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:31:32,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:31:32,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:31:32,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:31:32,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:31:32,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:31:32,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:31:32,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:31:32,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:31:32,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:31:32,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:31:32,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:31:32,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:31:32,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:31:32,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:31:32,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:31:32,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:31:32,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:31:32,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:31:32,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:31:32,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:31:32,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:31:32,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:31:32,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:31:32,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:31:32,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:31:32,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:31:32,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:31:32,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:31:32,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:31:32,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:31:32,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:31:32,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-10-17 10:31:32,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:31:32,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:31:32,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:31:32,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:31:32,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:31:32,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:31:32,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:31:32,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:31:32,665 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:31:32,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:31:32,666 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:31:32,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:31:32,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:31:32,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:31:32,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:31:32,668 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:31:32,668 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:31:32,668 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:31:32,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:31:32,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:31:32,669 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 10:31:32,669 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 10:31:32,669 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:31:32,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:31:32,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:31:32,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:31:32,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:31:32,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:32,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:31:32,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:31:32,672 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 10:31:32,672 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 10:31:32,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 10:31:32,673 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2022-10-17 10:31:33,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:31:33,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:31:33,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:31:33,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:31:33,183 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:31:33,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2022-10-17 10:31:33,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/a97f8a9a7/a6a8c8bb93dd407684cd94b6de34e061/FLAGe9a5d138d [2022-10-17 10:31:34,117 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:31:34,118 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2022-10-17 10:31:34,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/a97f8a9a7/a6a8c8bb93dd407684cd94b6de34e061/FLAGe9a5d138d [2022-10-17 10:31:34,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/data/a97f8a9a7/a6a8c8bb93dd407684cd94b6de34e061 [2022-10-17 10:31:34,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:31:34,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:31:34,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:34,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:31:34,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:31:34,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:34" (1/1) ... [2022-10-17 10:31:34,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332b9c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:34, skipping insertion in model container [2022-10-17 10:31:34,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:34" (1/1) ... [2022-10-17 10:31:34,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:31:34,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:35,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2022-10-17 10:31:35,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2022-10-17 10:31:35,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2022-10-17 10:31:35,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:35,350 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 10:31:35,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:35,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2022-10-17 10:31:35,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2022-10-17 10:31:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2022-10-17 10:31:35,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:35,496 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:31:35,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2022-10-17 10:31:35,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2022-10-17 10:31:35,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2022-10-17 10:31:35,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:35,727 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:31:35,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35 WrapperNode [2022-10-17 10:31:35,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:35,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:35,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:31:35,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:31:35,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:35,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:35,948 INFO L138 Inliner]: procedures = 179, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1175 [2022-10-17 10:31:35,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:35,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:31:35,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:31:35,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:31:35,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:35,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:35,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:35,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:31:36,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:31:36,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:31:36,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:31:36,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (1/1) ... [2022-10-17 10:31:36,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:36,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:36,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:31:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 10:31:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 10:31:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:31:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:31:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:31:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:31:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:31:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:31:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:31:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:31:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:31:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 10:31:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 10:31:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:31:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:31:36,524 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:31:36,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:31:36,558 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:31:43,420 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:31:43,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:31:43,452 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-10-17 10:31:43,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:43 BoogieIcfgContainer [2022-10-17 10:31:43,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:31:43,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:31:43,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:31:43,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:31:43,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:31:34" (1/3) ... [2022-10-17 10:31:43,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a42d58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:43, skipping insertion in model container [2022-10-17 10:31:43,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:35" (2/3) ... [2022-10-17 10:31:43,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a42d58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:43, skipping insertion in model container [2022-10-17 10:31:43,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:43" (3/3) ... [2022-10-17 10:31:43,473 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-2.i [2022-10-17 10:31:43,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:31:43,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 635 error locations. [2022-10-17 10:31:43,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:31:43,611 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=FINITE_AUTOMATA, 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;@42c714d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:31:43,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 635 error locations. [2022-10-17 10:31:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 1249 states, 612 states have (on average 2.2663398692810457) internal successors, (1387), 1244 states have internal predecessors, (1387), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:31:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 10:31:43,629 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:43,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 10:31:43,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 632 more)] === [2022-10-17 10:31:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:43,637 INFO L85 PathProgramCache]: Analyzing trace with hash 38794, now seen corresponding path program 1 times [2022-10-17 10:31:43,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:31:43,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616891051] [2022-10-17 10:31:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:43,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:31:43,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:31:43,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:31:43,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-10-17 10:31:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:43,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:31:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:43,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:31:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:43,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:43,997 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:31:43,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616891051] [2022-10-17 10:31:43,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616891051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:43,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:43,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:31:44,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194584786] [2022-10-17 10:31:44,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:44,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:31:44,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:31:44,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:31:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:44,068 INFO L87 Difference]: Start difference. First operand has 1249 states, 612 states have (on average 2.2663398692810457) internal successors, (1387), 1244 states have internal predecessors, (1387), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:47,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:47,235 INFO L93 Difference]: Finished difference Result 1417 states and 1492 transitions. [2022-10-17 10:31:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:31:47,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-10-17 10:31:47,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:47,282 INFO L225 Difference]: With dead ends: 1417 [2022-10-17 10:31:47,283 INFO L226 Difference]: Without dead ends: 1415 [2022-10-17 10:31:47,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:47,289 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1160 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:47,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 893 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-17 10:31:47,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2022-10-17 10:31:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1230. [2022-10-17 10:31:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 610 states have (on average 2.1163934426229507) internal successors, (1291), 1225 states have internal predecessors, (1291), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:31:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1297 transitions. [2022-10-17 10:31:47,460 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1297 transitions. Word has length 3 [2022-10-17 10:31:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:47,461 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1297 transitions. [2022-10-17 10:31:47,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1297 transitions. [2022-10-17 10:31:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 10:31:47,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:47,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 10:31:47,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-10-17 10:31:47,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 10:31:47,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 632 more)] === [2022-10-17 10:31:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 38795, now seen corresponding path program 1 times [2022-10-17 10:31:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:31:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172698871] [2022-10-17 10:31:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:47,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:31:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:31:47,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:31:47,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-10-17 10:31:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:47,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:31:47,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:47,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:31:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:47,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:47,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:31:47,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172698871] [2022-10-17 10:31:47,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172698871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:47,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:47,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:31:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832114521] [2022-10-17 10:31:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:47,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:31:47,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:31:47,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:31:47,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:47,876 INFO L87 Difference]: Start difference. First operand 1230 states and 1297 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:52,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:52,840 INFO L93 Difference]: Finished difference Result 1819 states and 1926 transitions. [2022-10-17 10:31:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:31:52,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-10-17 10:31:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:52,854 INFO L225 Difference]: With dead ends: 1819 [2022-10-17 10:31:52,854 INFO L226 Difference]: Without dead ends: 1819 [2022-10-17 10:31:52,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:31:52,858 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 629 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:52,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 1690 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-17 10:31:52,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-10-17 10:31:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1431. [2022-10-17 10:31:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 812 states have (on average 2.0985221674876846) internal successors, (1704), 1426 states have internal predecessors, (1704), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:31:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1710 transitions. [2022-10-17 10:31:52,917 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1710 transitions. Word has length 3 [2022-10-17 10:31:52,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:52,917 INFO L495 AbstractCegarLoop]: Abstraction has 1431 states and 1710 transitions. [2022-10-17 10:31:52,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1710 transitions. [2022-10-17 10:31:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 10:31:52,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:52,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:31:52,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:53,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 10:31:53,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 632 more)] === [2022-10-17 10:31:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1466973012, now seen corresponding path program 1 times [2022-10-17 10:31:53,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:31:53,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978422810] [2022-10-17 10:31:53,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:53,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:31:53,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:31:53,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:31:53,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1f1c37-623e-411b-9562-03b86f8d8939/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-10-17 10:31:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:53,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:31:53,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:53,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:31:53,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:31:53,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 10:31:53,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 14 [2022-10-17 10:31:53,518 INFO L356 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-10-17 10:31:53,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 10:31:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:53,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:31:53,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:31:53,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978422810] [2022-10-17 10:31:53,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978422810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:53,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:53,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:31:53,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583562003] [2022-10-17 10:31:53,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:53,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:53,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:31:53,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:53,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:53,557 INFO L87 Difference]: Start difference. First operand 1431 states and 1710 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)