./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:30,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:30,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:22:30,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:30,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:30,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:30,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:30,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:30,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:30,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:30,662 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:30,662 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:30,663 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:30,663 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:22:30,664 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:30,664 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:30,665 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:22:30,665 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:22:30,669 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:30,669 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:22:30,670 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:22:30,670 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:22:30,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:30,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:30,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:22:30,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:30,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:30,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:30,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:30,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:30,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:30,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:30,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:30,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:30,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:30,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:30,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:30,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:30,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:30,683 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:22:30,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:22:30,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:30,686 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:30,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:30,687 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-02 11:22:31,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:31,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:31,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:31,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:31,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:31,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i Unable to find full path for "g++" [2024-11-02 11:22:33,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:33,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:33,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-02 11:22:33,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/data/4c27ef1c1/a7d7fe247445490f9af3bc6d1b36f120/FLAGebbd9ab49 [2024-11-02 11:22:34,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/data/4c27ef1c1/a7d7fe247445490f9af3bc6d1b36f120 [2024-11-02 11:22:34,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:34,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:34,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:34,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:34,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:34,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:34" (1/1) ... [2024-11-02 11:22:34,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb2df57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:34, skipping insertion in model container [2024-11-02 11:22:34,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:34" (1/1) ... [2024-11-02 11:22:34,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:34,654 WARN L251 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_c3538254-6530-4e9f-aa28-60dd38089224/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-02 11:22:34,665 WARN L251 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_c3538254-6530-4e9f-aa28-60dd38089224/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-02 11:22:35,786 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,787 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,788 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,789 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,796 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,820 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,821 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,824 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:35,825 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:36,763 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:36,764 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:36,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:36,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:36,932 WARN L251 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_c3538254-6530-4e9f-aa28-60dd38089224/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-02 11:22:36,933 WARN L251 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_c3538254-6530-4e9f-aa28-60dd38089224/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-02 11:22:37,000 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,001 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,001 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,002 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,002 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,011 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-02 11:22:37,237 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,238 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:22:37,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-02 11:22:37,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:37,611 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:37,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37 WrapperNode [2024-11-02 11:22:37,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:37,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:37,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:37,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:37,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,804 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-02 11:22:37,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:37,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:37,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:37,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:37,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:37,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:37,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:37,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:37,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:37,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:37,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:37,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3538254-6530-4e9f-aa28-60dd38089224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 11:22:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 11:22:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:22:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:22:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:22:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:22:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:22:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:22:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:22:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:22:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:22:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 11:22:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 11:22:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:22:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 11:22:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 11:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:22:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 11:22:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-02 11:22:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:22:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:22:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:22:38,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:38,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:45,879 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:45,881 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:47,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:47,154 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:47,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:47 BoogieIcfgContainer [2024-11-02 11:22:47,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:47,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:47,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:47,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:47,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:34" (1/3) ... [2024-11-02 11:22:47,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf90446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:47, skipping insertion in model container [2024-11-02 11:22:47,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (2/3) ... [2024-11-02 11:22:47,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf90446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:47, skipping insertion in model container [2024-11-02 11:22:47,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:47" (3/3) ... [2024-11-02 11:22:47,164 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-02 11:22:47,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:47,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:47,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:47,259 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@751debce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:47,259 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 53 states have internal predecessors, (62), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-02 11:22:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-02 11:22:47,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:47,275 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:47,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:47,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:47,282 INFO L85 PathProgramCache]: Analyzing trace with hash 289529294, now seen corresponding path program 1 times [2024-11-02 11:22:47,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:47,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024540658] [2024-11-02 11:22:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms