./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/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_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/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_752b8e1f-f35d-48e6-a513-b0424b4f89de/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 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:15:43,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:15:43,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:15:43,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:15:43,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:15:43,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:15:43,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:15:43,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:15:43,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:15:44,000 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:15:44,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:15:44,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:15:44,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:15:44,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:15:44,005 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:15:44,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:15:44,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:15:44,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:15:44,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:15:44,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:15:44,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:15:44,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:15:44,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:15:44,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:15:44,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:15:44,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:15:44,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:15:44,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:15:44,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:15:44,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:15:44,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:15:44,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:44,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:15:44,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:15:44,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:15:44,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:15:44,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:15:44,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:15:44,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:15:44,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:15:44,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:15:44,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:15:44,017 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_752b8e1f-f35d-48e6-a513-b0424b4f89de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 [2023-11-21 22:15:44,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:15:44,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:15:44,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:15:44,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:15:44,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:15:44,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2023-11-21 22:15:47,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:15:47,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:15:47,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2023-11-21 22:15:47,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/data/4fb20536a/bde63f70a05947be8920f187fd38537d/FLAG949898a0e [2023-11-21 22:15:47,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/data/4fb20536a/bde63f70a05947be8920f187fd38537d [2023-11-21 22:15:47,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:15:47,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:15:47,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:47,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:15:47,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:15:47,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:47" (1/1) ... [2023-11-21 22:15:47,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719449bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:47, skipping insertion in model container [2023-11-21 22:15:47,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:47" (1/1) ... [2023-11-21 22:15:47,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:15:48,331 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:15:48,530 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_752b8e1f-f35d-48e6-a513-b0424b4f89de/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i[37426,37439] [2023-11-21 22:15:48,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:48,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:15:48,772 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:15:48,786 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_752b8e1f-f35d-48e6-a513-b0424b4f89de/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i[37426,37439] [2023-11-21 22:15:48,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:48,919 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:48,919 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:48,928 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:15:48,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48 WrapperNode [2023-11-21 22:15:48,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:48,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:48,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:15:48,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:15:48,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:48,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,105 INFO L138 Inliner]: procedures = 208, calls = 230, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1184 [2023-11-21 22:15:49,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:49,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:15:49,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:15:49,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:15:49,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,143 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,238 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 22:15:49,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:15:49,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:15:49,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:15:49,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:15:49,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (1/1) ... [2023-11-21 22:15:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:15:49,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:15:49,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752b8e1f-f35d-48e6-a513-b0424b4f89de/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:15:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:15:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:15:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:15:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:15:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:15:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:15:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:15:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:15:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:15:49,643 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:15:49,644 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:15:51,142 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:15:52,939 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:15:52,939 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 22:15:52,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:52 BoogieIcfgContainer [2023-11-21 22:15:52,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:15:52,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:15:52,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:15:52,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:15:52,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:15:47" (1/3) ... [2023-11-21 22:15:52,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d1d61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:52, skipping insertion in model container [2023-11-21 22:15:52,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:48" (2/3) ... [2023-11-21 22:15:52,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d1d61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:52, skipping insertion in model container [2023-11-21 22:15:52,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:52" (3/3) ... [2023-11-21 22:15:52,957 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test2-1.i [2023-11-21 22:15:52,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:15:52,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:15:53,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:15:53,048 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;@1d14c394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:15:53,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:15:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 97 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:15:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 22:15:53,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:15:53,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:15:53,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:15:53,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:53,068 INFO L85 PathProgramCache]: Analyzing trace with hash 252346162, now seen corresponding path program 1 times [2023-11-21 22:15:53,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:15:53,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447603591] [2023-11-21 22:15:53,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:15:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:15:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:53,257 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 22:15:53,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:15:53,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447603591] [2023-11-21 22:15:53,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447603591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:15:53,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:15:53,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:15:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726138895] [2023-11-21 22:15:53,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:15:53,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:15:53,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:15:53,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:15:53,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:15:53,298 INFO L87 Difference]: Start difference. First operand has 102 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 97 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 22:15:56,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:58,333 WARN L539 Checker$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 22:16:00,355 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 22:16:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:16:00,661 INFO L93 Difference]: Finished difference Result 202 states and 343 transitions. [2023-11-21 22:16:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:16:00,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2023-11-21 22:16:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:16:00,674 INFO L225 Difference]: With dead ends: 202 [2023-11-21 22:16:00,674 INFO L226 Difference]: Without dead ends: 99 [2023-11-21 22:16:00,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 22:16:00,681 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:16:00,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2023-11-21 22:16:00,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-21 22:16:00,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-21 22:16:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 94 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:16:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 115 transitions. [2023-11-21 22:16:00,733 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 115 transitions. Word has length 10 [2023-11-21 22:16:00,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:16:00,733 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 115 transitions. [2023-11-21 22:16:00,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 22:16:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-21 22:16:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:16:00,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:00,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:00,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:16:00,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:00,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:00,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1692329433, now seen corresponding path program 1 times [2023-11-21 22:16:00,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:00,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041379302] [2023-11-21 22:16:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:01,961 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 22:16:01,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:01,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041379302] [2023-11-21 22:16:01,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041379302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:01,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:01,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:16:01,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862373636] [2023-11-21 22:16:01,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:01,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:16:01,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:01,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:16:01,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:16:01,966 INFO L87 Difference]: Start difference. First operand 99 states and 115 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 22:16:04,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:06,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:08,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:10,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:12,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:14,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:16,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:18,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:20,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:22,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:24,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:26,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:28,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:31,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:33,490 WARN L539 Checker$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 22:16:35,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:37,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:39,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:41,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:43,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:45,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:47,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:49,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:51,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:16:54,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []