./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx --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 32bit --witnessprinter.graph.data.programhash df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:57,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:57,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:02:57,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:57,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:57,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:57,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:57,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:57,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:57,273 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:57,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:57,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:57,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:57,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:57,278 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:57,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:57,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:57,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:57,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:57,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:57,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:57,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:57,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:57,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:57,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:57,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:57,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:57,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:57,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:57,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:57,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:57,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:57,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:57,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:57,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:57,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:57,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:57,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:57,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:57,292 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:57,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:57,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:57,293 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_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c [2023-11-21 21:02:57,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:57,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:57,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:57,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:57,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:57,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2023-11-21 21:03:00,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:01,347 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:01,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2023-11-21 21:03:01,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/data/803dce9c8/156a425c11cf42899d30064af408814b/FLAG5ec0e8814 [2023-11-21 21:03:01,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/data/803dce9c8/156a425c11cf42899d30064af408814b [2023-11-21 21:03:01,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:01,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:01,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:01,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:01,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:01,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:01" (1/1) ... [2023-11-21 21:03:01,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc36ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:01, skipping insertion in model container [2023-11-21 21:03:01,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:01" (1/1) ... [2023-11-21 21:03:01,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:02,187 WARN L240 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_71643c01-8522-4991-9408-c4ce728093a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i[33021,33034] [2023-11-21 21:03:02,408 WARN L240 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_71643c01-8522-4991-9408-c4ce728093a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i[49681,49694] [2023-11-21 21:03:02,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:02,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:02,501 WARN L240 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_71643c01-8522-4991-9408-c4ce728093a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i[33021,33034] [2023-11-21 21:03:02,653 WARN L240 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_71643c01-8522-4991-9408-c4ce728093a4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i[49681,49694] [2023-11-21 21:03:02,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:02,721 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:02,731 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:02,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02 WrapperNode [2023-11-21 21:03:02,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:02,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:02,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:02,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:02,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:02,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:02,926 INFO L138 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1895 [2023-11-21 21:03:02,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:02,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:02,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:02,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:02,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:02,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:02,964 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,197 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 21:03:03,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:03,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:03,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:03,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:03,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (1/1) ... [2023-11-21 21:03:03,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:03,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:03,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 21:03:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 21:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 21:03:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 21:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 21:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:03:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:03:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:03,853 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:03,856 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:06,641 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:10,116 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:10,116 INFO L308 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-21 21:03:10,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:10 BoogieIcfgContainer [2023-11-21 21:03:10,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:10,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:10,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:10,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:10,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:01" (1/3) ... [2023-11-21 21:03:10,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7055df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:10, skipping insertion in model container [2023-11-21 21:03:10,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:02" (2/3) ... [2023-11-21 21:03:10,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7055df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:10, skipping insertion in model container [2023-11-21 21:03:10,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:10" (3/3) ... [2023-11-21 21:03:10,137 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-1.i [2023-11-21 21:03:10,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:10,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 21:03:10,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:10,264 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=true, 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;@17d373e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:10,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 21:03:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 153 states have internal predecessors, (256), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 21:03:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 21:03:10,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:10,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 21:03:10,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:10,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1333627922, now seen corresponding path program 1 times [2023-11-21 21:03:10,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386275719] [2023-11-21 21:03:10,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:10,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386275719] [2023-11-21 21:03:10,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-21 21:03:10,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040971361] [2023-11-21 21:03:10,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:10,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:03:10,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:03:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 21:03:10,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:03:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:10,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:03:10,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040971361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:10,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:10,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:10,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832041964] [2023-11-21 21:03:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:10,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:03:10,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:10,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:03:10,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:03:10,975 INFO L87 Difference]: Start difference. First operand has 162 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 153 states have internal predecessors, (256), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:12,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:14,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:16,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:18,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:20,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:22,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:23,083 INFO L93 Difference]: Finished difference Result 321 states and 557 transitions. [2023-11-21 21:03:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:03:23,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-21 21:03:23,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:23,104 INFO L225 Difference]: With dead ends: 321 [2023-11-21 21:03:23,105 INFO L226 Difference]: Without dead ends: 158 [2023-11-21 21:03:23,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:03:23,114 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:23,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2023-11-21 21:03:23,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-21 21:03:23,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-11-21 21:03:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 143 states have (on average 1.1748251748251748) internal successors, (168), 149 states have internal predecessors, (168), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 21:03:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2023-11-21 21:03:23,212 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 6 [2023-11-21 21:03:23,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:23,213 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2023-11-21 21:03:23,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2023-11-21 21:03:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 21:03:23,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:23,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:23,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:03:23,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 21:03:23,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:23,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:23,438 INFO L85 PathProgramCache]: Analyzing trace with hash -141879287, now seen corresponding path program 1 times [2023-11-21 21:03:23,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:23,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941622797] [2023-11-21 21:03:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:23,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:23,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941622797] [2023-11-21 21:03:23,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-21 21:03:23,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246482627] [2023-11-21 21:03:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:23,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:23,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:23,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:03:23,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 21:03:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:23,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:03:23,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:03:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:24,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:03:24,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246482627] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:24,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:24,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861965388] [2023-11-21 21:03:24,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:24,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:24,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:24,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:24,034 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:26,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:28,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:30,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:32,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:34,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:36,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:38,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:40,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:42,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:44,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:46,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:49,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 21:03:49,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:49,266 INFO L93 Difference]: Finished difference Result 366 states and 431 transitions. [2023-11-21 21:03:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-21 21:03:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:49,276 INFO L225 Difference]: With dead ends: 366 [2023-11-21 21:03:49,276 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:03:49,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:49,280 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 107 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:49,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 204 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 9 Unknown, 0 Unchecked, 25.2s Time] [2023-11-21 21:03:49,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:03:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:03:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:03:49,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-21 21:03:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:49,283 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:03:49,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:03:49,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:03:49,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 21:03:49,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 21:03:49,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:03:49,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:49,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:03:49,561 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:03:49,562 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 21:03:49,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 21:03:49,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2023-11-21 21:03:49,562 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-21 21:03:49,563 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-21 21:03:49,563 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-21 21:03:49,563 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-21 21:03:49,563 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-21 21:03:49,564 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-21 21:03:49,564 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-21 21:03:49,564 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-21 21:03:49,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:03:49,565 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-21 21:03:49,565 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-21 21:03:49,565 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-21 21:03:49,565 INFO L899 garLoopResultBuilder]: For program point L736-2(lines 736 745) no Hoare annotation was computed. [2023-11-21 21:03:49,566 INFO L902 garLoopResultBuilder]: At program point L736-3(lines 736 745) the Hoare annotation is: true [2023-11-21 21:03:49,566 INFO L899 garLoopResultBuilder]: For program point L743-68(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,566 INFO L902 garLoopResultBuilder]: At program point L743-69(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,566 INFO L899 garLoopResultBuilder]: For program point L743-70(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,566 INFO L902 garLoopResultBuilder]: At program point L743-71(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,567 INFO L899 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2023-11-21 21:03:49,567 INFO L895 garLoopResultBuilder]: At program point L746-3(lines 746 754) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,567 INFO L899 garLoopResultBuilder]: For program point L744-67(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,567 INFO L902 garLoopResultBuilder]: At program point L744-68(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,567 INFO L899 garLoopResultBuilder]: For program point L744-69(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,568 INFO L902 garLoopResultBuilder]: At program point L744-70(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,568 INFO L899 garLoopResultBuilder]: For program point L743-170(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,568 INFO L902 garLoopResultBuilder]: At program point L743-171(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,568 INFO L899 garLoopResultBuilder]: For program point L743-172(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,569 INFO L899 garLoopResultBuilder]: For program point L743-173(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,570 INFO L902 garLoopResultBuilder]: At program point L743-174(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,571 INFO L899 garLoopResultBuilder]: For program point L743-175(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,571 INFO L902 garLoopResultBuilder]: At program point L743-176(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,571 INFO L899 garLoopResultBuilder]: For program point L743-178(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,571 INFO L899 garLoopResultBuilder]: For program point L743-180(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,572 INFO L902 garLoopResultBuilder]: At program point L743-182(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,572 INFO L899 garLoopResultBuilder]: For program point L743-183(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,572 INFO L899 garLoopResultBuilder]: For program point L743-184(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,573 INFO L902 garLoopResultBuilder]: At program point L743-186(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,573 INFO L899 garLoopResultBuilder]: For program point L743-187(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,573 INFO L899 garLoopResultBuilder]: For program point L743-188(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,573 INFO L902 garLoopResultBuilder]: At program point L743-189(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,573 INFO L899 garLoopResultBuilder]: For program point L743-190(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,574 INFO L899 garLoopResultBuilder]: For program point L743-193(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,574 INFO L902 garLoopResultBuilder]: At program point L743-194(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,574 INFO L899 garLoopResultBuilder]: For program point L744-169(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,574 INFO L902 garLoopResultBuilder]: At program point L744-170(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,574 INFO L899 garLoopResultBuilder]: For program point L743-202(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,575 INFO L899 garLoopResultBuilder]: For program point L744-171(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,575 INFO L902 garLoopResultBuilder]: At program point L743-203(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,575 INFO L899 garLoopResultBuilder]: For program point L744-172(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,575 INFO L902 garLoopResultBuilder]: At program point L744-173(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,575 INFO L899 garLoopResultBuilder]: For program point L744-174(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,576 INFO L902 garLoopResultBuilder]: At program point L744-175(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,576 INFO L899 garLoopResultBuilder]: For program point L744-177(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,576 INFO L899 garLoopResultBuilder]: For program point L743-210(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,576 INFO L899 garLoopResultBuilder]: For program point L744-179(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,576 INFO L899 garLoopResultBuilder]: For program point L743-212(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,577 INFO L902 garLoopResultBuilder]: At program point L744-181(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,577 INFO L899 garLoopResultBuilder]: For program point L744-182(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,577 INFO L902 garLoopResultBuilder]: At program point L743-214(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,577 INFO L899 garLoopResultBuilder]: For program point L744-183(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,577 INFO L899 garLoopResultBuilder]: For program point L743-215(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,578 INFO L902 garLoopResultBuilder]: At program point L744-185(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,578 INFO L899 garLoopResultBuilder]: For program point L744-186(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,578 INFO L899 garLoopResultBuilder]: For program point L744-187(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,584 INFO L902 garLoopResultBuilder]: At program point L744-188(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,584 INFO L899 garLoopResultBuilder]: For program point L744-189(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,584 INFO L899 garLoopResultBuilder]: For program point L744-192(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,585 INFO L899 garLoopResultBuilder]: For program point L748-68(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,585 INFO L902 garLoopResultBuilder]: At program point L744-193(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,585 INFO L895 garLoopResultBuilder]: At program point L748-69(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,585 INFO L899 garLoopResultBuilder]: For program point L743-225(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,586 INFO L899 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,586 INFO L895 garLoopResultBuilder]: At program point L748-71(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,586 INFO L899 garLoopResultBuilder]: For program point L744-201(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,586 INFO L902 garLoopResultBuilder]: At program point L744-202(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,586 INFO L899 garLoopResultBuilder]: For program point L743-235(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,587 INFO L902 garLoopResultBuilder]: At program point L743-236(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,587 INFO L899 garLoopResultBuilder]: For program point L743-237(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,587 INFO L899 garLoopResultBuilder]: For program point L744-209(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,587 INFO L899 garLoopResultBuilder]: For program point L744-211(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,587 INFO L902 garLoopResultBuilder]: At program point L744-213(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,588 INFO L899 garLoopResultBuilder]: For program point L744-214(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,588 INFO L902 garLoopResultBuilder]: At program point L743-246(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,588 INFO L902 garLoopResultBuilder]: At program point L743-248(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,588 INFO L899 garLoopResultBuilder]: For program point L743-249(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,588 INFO L899 garLoopResultBuilder]: For program point L743-255(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,589 INFO L899 garLoopResultBuilder]: For program point L744-224(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,589 INFO L899 garLoopResultBuilder]: For program point L743-256(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,589 INFO L902 garLoopResultBuilder]: At program point L743-257(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,589 INFO L899 garLoopResultBuilder]: For program point L743-259(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,589 INFO L899 garLoopResultBuilder]: For program point L743-260(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,589 INFO L902 garLoopResultBuilder]: At program point L743-261(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,590 INFO L899 garLoopResultBuilder]: For program point L743-262(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,590 INFO L899 garLoopResultBuilder]: For program point L743-263(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,590 INFO L902 garLoopResultBuilder]: At program point L743-264(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,590 INFO L899 garLoopResultBuilder]: For program point L743-265(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,591 INFO L899 garLoopResultBuilder]: For program point L744-234(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,595 INFO L902 garLoopResultBuilder]: At program point L743-266(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,595 INFO L902 garLoopResultBuilder]: At program point L744-235(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,595 INFO L899 garLoopResultBuilder]: For program point L743-267(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,596 INFO L899 garLoopResultBuilder]: For program point L744-236(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,596 INFO L899 garLoopResultBuilder]: For program point L743-268(line 743) no Hoare annotation was computed. [2023-11-21 21:03:49,597 INFO L902 garLoopResultBuilder]: At program point L743-269(line 743) the Hoare annotation is: true [2023-11-21 21:03:49,597 INFO L902 garLoopResultBuilder]: At program point L744-245(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,597 INFO L902 garLoopResultBuilder]: At program point L744-247(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,597 INFO L899 garLoopResultBuilder]: For program point L744-248(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,603 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2023-11-21 21:03:49,604 INFO L899 garLoopResultBuilder]: For program point L744-254(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,604 INFO L899 garLoopResultBuilder]: For program point L744-255(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,604 INFO L902 garLoopResultBuilder]: At program point L744-256(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,604 INFO L899 garLoopResultBuilder]: For program point L744-258(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,604 INFO L899 garLoopResultBuilder]: For program point L744-259(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,605 INFO L902 garLoopResultBuilder]: At program point L744-260(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,605 INFO L899 garLoopResultBuilder]: For program point L744-261(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,605 INFO L899 garLoopResultBuilder]: For program point L744-262(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,605 INFO L902 garLoopResultBuilder]: At program point L744-263(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,605 INFO L899 garLoopResultBuilder]: For program point L744-264(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,605 INFO L902 garLoopResultBuilder]: At program point L744-265(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,606 INFO L899 garLoopResultBuilder]: For program point L744-266(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,606 INFO L899 garLoopResultBuilder]: For program point L744-267(line 744) no Hoare annotation was computed. [2023-11-21 21:03:49,606 INFO L902 garLoopResultBuilder]: At program point L744-268(line 744) the Hoare annotation is: true [2023-11-21 21:03:49,606 INFO L899 garLoopResultBuilder]: For program point L748-170(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,606 INFO L895 garLoopResultBuilder]: At program point L748-171(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,606 INFO L899 garLoopResultBuilder]: For program point L748-172(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,607 INFO L899 garLoopResultBuilder]: For program point L748-173(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,607 INFO L895 garLoopResultBuilder]: At program point L748-174(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,607 INFO L899 garLoopResultBuilder]: For program point L748-175(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,607 INFO L895 garLoopResultBuilder]: At program point L748-176(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,607 INFO L899 garLoopResultBuilder]: For program point L748-178(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,607 INFO L899 garLoopResultBuilder]: For program point L748-185(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,608 INFO L895 garLoopResultBuilder]: At program point L748-186(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,608 INFO L899 garLoopResultBuilder]: For program point L748-187(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,608 INFO L899 garLoopResultBuilder]: For program point L748-188(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,608 INFO L899 garLoopResultBuilder]: For program point L748-190(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,608 INFO L895 garLoopResultBuilder]: At program point L748-191(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,609 INFO L899 garLoopResultBuilder]: For program point L748-197(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,609 INFO L899 garLoopResultBuilder]: For program point L748-198(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,609 INFO L899 garLoopResultBuilder]: For program point L748-201(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,609 INFO L899 garLoopResultBuilder]: For program point L748-202(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,609 INFO L899 garLoopResultBuilder]: For program point L748-204(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,609 INFO L895 garLoopResultBuilder]: At program point L748-205(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,610 INFO L895 garLoopResultBuilder]: At program point L748-207(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,610 INFO L899 garLoopResultBuilder]: For program point L748-208(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,610 INFO L895 garLoopResultBuilder]: At program point L748-209(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,610 INFO L899 garLoopResultBuilder]: For program point L748-211(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,610 INFO L899 garLoopResultBuilder]: For program point L748-213(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,610 INFO L895 garLoopResultBuilder]: At program point L748-214(line 748) the Hoare annotation is: false [2023-11-21 21:03:49,611 INFO L899 garLoopResultBuilder]: For program point L748-215(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,611 INFO L899 garLoopResultBuilder]: For program point L748-216(line 748) no Hoare annotation was computed. [2023-11-21 21:03:49,611 INFO L895 garLoopResultBuilder]: At program point L748-217(line 748) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-21 21:03:49,611 INFO L899 garLoopResultBuilder]: For program point L748-218(lines 746 754) no Hoare annotation was computed. [2023-11-21 21:03:49,611 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:03:49,611 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-21 21:03:49,612 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-21 21:03:49,612 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-21 21:03:49,612 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-21 21:03:49,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-21 21:03:49,615 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-21 21:03:49,619 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 21:03:49,622 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:49,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:49 BoogieIcfgContainer [2023-11-21 21:03:49,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:49,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:49,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:49,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:49,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:10" (3/4) ... [2023-11-21 21:03:49,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:03:49,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 21:03:49,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 21:03:49,692 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 339 nodes and edges [2023-11-21 21:03:49,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 21:03:49,697 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 21:03:49,699 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:03:49,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:03:49,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:03:49,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:49,930 INFO L158 Benchmark]: Toolchain (without parser) took 48498.34ms. Allocated memory was 153.1MB in the beginning and 257.9MB in the end (delta: 104.9MB). Free memory was 111.9MB in the beginning and 117.2MB in the end (delta: -5.3MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,931 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:49,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.82ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 73.3MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.11ms. Allocated memory is still 153.1MB. Free memory was 72.7MB in the beginning and 61.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,932 INFO L158 Benchmark]: Boogie Preprocessor took 421.21ms. Allocated memory is still 153.1MB. Free memory was 61.6MB in the beginning and 99.1MB in the end (delta: -37.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,933 INFO L158 Benchmark]: RCFGBuilder took 6770.73ms. Allocated memory was 153.1MB in the beginning and 257.9MB in the end (delta: 104.9MB). Free memory was 99.1MB in the beginning and 130.9MB in the end (delta: -31.8MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,933 INFO L158 Benchmark]: TraceAbstraction took 39518.79ms. Allocated memory is still 257.9MB. Free memory was 130.9MB in the beginning and 134.0MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:49,934 INFO L158 Benchmark]: Witness Printer took 286.95ms. Allocated memory is still 257.9MB. Free memory was 134.0MB in the beginning and 117.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:49,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.82ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 73.3MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.11ms. Allocated memory is still 153.1MB. Free memory was 72.7MB in the beginning and 61.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 421.21ms. Allocated memory is still 153.1MB. Free memory was 61.6MB in the beginning and 99.1MB in the end (delta: -37.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6770.73ms. Allocated memory was 153.1MB in the beginning and 257.9MB in the end (delta: 104.9MB). Free memory was 99.1MB in the beginning and 130.9MB in the end (delta: -31.8MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. * TraceAbstraction took 39518.79ms. Allocated memory is still 257.9MB. Free memory was 130.9MB in the beginning and 134.0MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 286.95ms. Allocated memory is still 257.9MB. Free memory was 134.0MB in the beginning and 117.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 752]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 703]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 162 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 39.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 37.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 37.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 270 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 115 PreInvPairs, 199 NumberOfFragments, 74 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 21:03:50,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71643c01-8522-4991-9408-c4ce728093a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE