./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:38,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:38,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:59:38,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:38,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:38,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:38,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:38,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:38,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:38,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:38,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:38,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:38,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:38,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:38,731 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:38,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:38,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:38,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:38,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:38,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:38,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:38,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:38,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:38,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:38,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:38,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:38,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:38,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:38,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:38,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:38,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:38,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:38,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:38,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:38,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:38,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:38,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:38,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:38,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:38,749 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 [2024-10-31 21:59:39,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:39,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:39,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:39,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:39,224 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:39,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i Unable to find full path for "g++" [2024-10-31 21:59:41,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:41,735 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:41,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2024-10-31 21:59:41,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/data/22a9f3c58/f89468dad9dd4c638a9b618d25cbf83e/FLAGaa9f13464 [2024-10-31 21:59:41,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/data/22a9f3c58/f89468dad9dd4c638a9b618d25cbf83e [2024-10-31 21:59:41,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:41,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:41,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:41,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:41,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:41,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:41" (1/1) ... [2024-10-31 21:59:41,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44544aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:41, skipping insertion in model container [2024-10-31 21:59:41,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:41" (1/1) ... [2024-10-31 21:59:41,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:42,318 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_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2024-10-31 21:59:42,327 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_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2024-10-31 21:59:43,331 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,332 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,333 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,334 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,335 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,352 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,354 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,356 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:43,357 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,538 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,539 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:44,708 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:44,730 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_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2024-10-31 21:59:44,731 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_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2024-10-31 21:59:44,802 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,803 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,807 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,808 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,809 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,821 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,822 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,823 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:44,827 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:45,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-10-31 21:59:45,041 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:45,043 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:45,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-10-31 21:59:45,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:45,426 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:45,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45 WrapperNode [2024-10-31 21:59:45,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:45,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:45,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:45,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:45,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,678 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1086 [2024-10-31 21:59:45,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:45,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:45,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:45,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:45,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,844 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [2, 257, 87, 246, 6, 17, 4, 8]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [2, 0, 28, 11, 0, 2, 0, 4]. The 500 writes are split as follows [0, 257, 3, 233, 2, 2, 3, 0]. [2024-10-31 21:59:45,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:45,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:45,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:45,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:45,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:45,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (1/1) ... [2024-10-31 21:59:46,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:46,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:46,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c58c47-5f5d-4d3e-a4ed-335bfac56bcc/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 21:59:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 21:59:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-10-31 21:59:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-10-31 21:59:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 21:59:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 21:59:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-10-31 21:59:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-10-31 21:59:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-10-31 21:59:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-10-31 21:59:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-10-31 21:59:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-10-31 21:59:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-10-31 21:59:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-10-31 21:59:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 21:59:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 21:59:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 21:59:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 21:59:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 21:59:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 21:59:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 21:59:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 21:59:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:59:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:59:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:59:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:59:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:59:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:59:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 21:59:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 21:59:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:59:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:59:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:59:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:59:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:59:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-31 21:59:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-31 21:59:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-31 21:59:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-31 21:59:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-31 21:59:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-31 21:59:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-31 21:59:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-31 21:59:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-31 21:59:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-31 21:59:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-31 21:59:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-31 21:59:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-31 21:59:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-31 21:59:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 21:59:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 21:59:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:59:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:59:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:59:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-10-31 21:59:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-10-31 21:59:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:59:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:59:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:59:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:59:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:59:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:59:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:59:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:59:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 21:59:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 21:59:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 21:59:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 21:59:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 21:59:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 21:59:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 21:59:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 21:59:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 21:59:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 21:59:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 21:59:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:59:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:59:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:59:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:59:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:59:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 21:59:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 21:59:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 21:59:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-10-31 21:59:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-10-31 21:59:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:59:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:59:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:59:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:59:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:59:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:59:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:59:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:59:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-10-31 21:59:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-10-31 21:59:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-10-31 21:59:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-10-31 21:59:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-10-31 21:59:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:59:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:59:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:59:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:59:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:59:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:59:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:59:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:59:46,538 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:46,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:57,975 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:57,976 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:57,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:57,999 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:59:57,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:57 BoogieIcfgContainer [2024-10-31 21:59:58,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:58,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:58,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:58,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:58,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:41" (1/3) ... [2024-10-31 21:59:58,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a191285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:58, skipping insertion in model container [2024-10-31 21:59:58,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:45" (2/3) ... [2024-10-31 21:59:58,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a191285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:58, skipping insertion in model container [2024-10-31 21:59:58,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:57" (3/3) ... [2024-10-31 21:59:58,012 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i [2024-10-31 21:59:58,033 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:58,033 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:59:58,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:58,129 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@19a60b7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:58,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:59:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 124 states have internal predecessors, (151), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-31 21:59:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-31 21:59:58,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:58,165 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:58,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:58,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:58,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1953295810, now seen corresponding path program 1 times [2024-10-31 21:59:58,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:58,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507217065] [2024-10-31 21:59:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms