./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/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 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:22,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:22,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:00:22,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:22,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:22,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:22,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:22,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:22,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:22,732 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:22,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:22,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:22,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:22,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:22,736 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:22,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:22,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:00:22,738 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:22,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:22,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:22,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:22,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:00:22,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:22,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:00:22,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:22,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:22,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:22,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:22,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:22,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:22,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:22,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:22,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:22,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:22,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:00:22,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:22,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:22,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:22,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:22,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:00:22,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:22,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:22,751 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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2023-11-21 21:00:23,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:23,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:23,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:23,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:23,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:23,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2023-11-21 21:00:26,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:26,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:26,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2023-11-21 21:00:26,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/data/9574ef062/34dd6f295fe249a484934c5d8d46f5b3/FLAG54bf3744d [2023-11-21 21:00:26,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/data/9574ef062/34dd6f295fe249a484934c5d8d46f5b3 [2023-11-21 21:00:26,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:26,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:26,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:26,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:26,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:26,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:26" (1/1) ... [2023-11-21 21:00:26,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca03326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:26, skipping insertion in model container [2023-11-21 21:00:26,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:26" (1/1) ... [2023-11-21 21:00:26,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:27,403 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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[33021,33034] [2023-11-21 21:00:27,542 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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[44590,44603] [2023-11-21 21:00:27,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:27,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:27,604 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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[33021,33034] [2023-11-21 21:00:27,722 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_8dafe7e0-7bae-4906-a8db-70e5d1334dce/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[44590,44603] [2023-11-21 21:00:27,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:27,769 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:27,775 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:27,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27 WrapperNode [2023-11-21 21:00:27,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:27,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:27,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:27,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:27,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:27,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:27,913 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1524 [2023-11-21 21:00:27,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:27,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:27,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:27,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:27,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:27,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:27,968 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,107 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 21:00:28,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:28,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:28,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:28,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:28,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (1/1) ... [2023-11-21 21:00:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:28,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:28,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:00:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 21:00:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 21:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 21:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 21:00:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:00:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:00:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 21:00:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:00:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:00:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:28,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:28,665 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:28,668 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:30,438 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:32,421 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:32,421 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 21:00:32,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:32 BoogieIcfgContainer [2023-11-21 21:00:32,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:32,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:00:32,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:00:32,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:00:32,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:26" (1/3) ... [2023-11-21 21:00:32,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695d9a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:32, skipping insertion in model container [2023-11-21 21:00:32,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:27" (2/3) ... [2023-11-21 21:00:32,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695d9a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:32, skipping insertion in model container [2023-11-21 21:00:32,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:32" (3/3) ... [2023-11-21 21:00:32,437 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2023-11-21 21:00:32,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:00:32,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 21:00:32,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:00:32,529 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;@1d266cf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:00:32,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 21:00:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 133 states have (on average 1.744360902255639) internal successors, (232), 140 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 21:00:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 21:00:32,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:00:32,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:32,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:00:32,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1324719870, now seen corresponding path program 1 times [2023-11-21 21:00:32,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:32,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161884591] [2023-11-21 21:00:32,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:32,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:32,827 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 21:00:32,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:32,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161884591] [2023-11-21 21:00:32,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161884591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:32,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:32,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:00:32,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438750273] [2023-11-21 21:00:32,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:32,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 21:00:32,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:32,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:00:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:00:32,880 INFO L87 Difference]: Start difference. First operand has 146 states, 133 states have (on average 1.744360902255639) internal successors, (232), 140 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:00:34,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:36,960 WARN L539 Checker$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 21:00:38,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:40,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 21:00:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:40,947 INFO L93 Difference]: Finished difference Result 291 states and 500 transitions. [2023-11-21 21:00:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:00:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-11-21 21:00:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:00:40,979 INFO L225 Difference]: With dead ends: 291 [2023-11-21 21:00:40,980 INFO L226 Difference]: Without dead ends: 130 [2023-11-21 21:00:40,984 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 21:00:40,987 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:00:40,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-11-21 21:00:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-21 21:00:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-11-21 21:00:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.2033898305084745) internal successors, (142), 124 states have internal predecessors, (142), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 21:00:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 158 transitions. [2023-11-21 21:00:41,042 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 158 transitions. Word has length 8 [2023-11-21 21:00:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:00:41,043 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 158 transitions. [2023-11-21 21:00:41,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:00:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2023-11-21 21:00:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 21:00:41,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:00:41,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:41,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:00:41,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:00:41,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:41,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1256970015, now seen corresponding path program 1 times [2023-11-21 21:00:41,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:41,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577978713] [2023-11-21 21:00:41,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:41,296 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 21:00:41,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:41,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577978713] [2023-11-21 21:00:41,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577978713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:41,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:41,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:00:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492461245] [2023-11-21 21:00:41,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:41,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:00:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:41,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:00:41,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:00:41,302 INFO L87 Difference]: Start difference. First operand 130 states and 158 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:43,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:45,374 WARN L539 Checker$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 21:00:47,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:49,395 WARN L539 Checker$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 21:00:51,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:53,699 WARN L539 Checker$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 21:00:55,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:00:57,717 WARN L539 Checker$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 21:00:59,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:01,332 WARN L539 Checker$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 21:01:03,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:05,349 WARN L539 Checker$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 21:01:06,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:06,190 INFO L93 Difference]: Finished difference Result 175 states and 216 transitions. [2023-11-21 21:01:06,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:01:06,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-21 21:01:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:06,195 INFO L225 Difference]: With dead ends: 175 [2023-11-21 21:01:06,195 INFO L226 Difference]: Without dead ends: 94 [2023-11-21 21:01:06,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:06,198 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 38 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:06,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 209 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 10 Unknown, 0 Unchecked, 24.8s Time] [2023-11-21 21:01:06,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-21 21:01:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 81. [2023-11-21 21:01:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 75 states have internal predecessors, (83), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 21:01:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2023-11-21 21:01:06,213 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 13 [2023-11-21 21:01:06,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:06,213 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2023-11-21 21:01:06,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2023-11-21 21:01:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 21:01:06,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:06,216 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:06,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:01:06,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:06,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:06,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1393013738, now seen corresponding path program 1 times [2023-11-21 21:01:06,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:06,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350938225] [2023-11-21 21:01:06,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:06,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:06,318 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:01:06,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351266376] [2023-11-21 21:01:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:06,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:06,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:01:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 21:01:06,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:01:06,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350938225] [2023-11-21 21:01:06,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:01:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351266376] [2023-11-21 21:01:06,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351266376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:06,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:06,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:01:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339747126] [2023-11-21 21:01:06,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:06,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:06,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:06,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:06,946 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:08,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:10,988 WARN L539 Checker$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 21:01:13,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:15,108 WARN L539 Checker$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 21:01:16,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:16,377 INFO L93 Difference]: Finished difference Result 163 states and 200 transitions. [2023-11-21 21:01:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:16,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-21 21:01:16,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:16,385 INFO L225 Difference]: With dead ends: 163 [2023-11-21 21:01:16,385 INFO L226 Difference]: Without dead ends: 79 [2023-11-21 21:01:16,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 21:01:16,387 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 11 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 140 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2023-11-21 21:01:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-21 21:01:16,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-21 21:01:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.161764705882353) internal successors, (79), 73 states have internal predecessors, (79), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 21:01:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 95 transitions. [2023-11-21 21:01:16,401 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 95 transitions. Word has length 41 [2023-11-21 21:01:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:16,401 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 95 transitions. [2023-11-21 21:01:16,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:01:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-11-21 21:01:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 21:01:16,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:16,404 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:16,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 21:01:16,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:16,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:16,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:16,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1948245542, now seen corresponding path program 1 times [2023-11-21 21:01:16,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:16,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766797847] [2023-11-21 21:01:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:16,720 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:01:16,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509398190] [2023-11-21 21:01:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:16,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:16,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:16,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 21:01:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:17,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 21:01:17,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:17,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 21:01:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 21:01:17,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:17,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:17,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766797847] [2023-11-21 21:01:17,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 21:01:17,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509398190] [2023-11-21 21:01:17,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509398190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:17,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:17,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:17,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164589639] [2023-11-21 21:01:17,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:17,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:17,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:17,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:17,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:17,229 INFO L87 Difference]: Start difference. First operand 79 states and 95 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 21:01:19,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:21,274 WARN L539 Checker$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 21:01:22,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:24,295 WARN L539 Checker$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 21:01:27,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:30,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 21:01:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:30,803 INFO L93 Difference]: Finished difference Result 127 states and 150 transitions. [2023-11-21 21:01:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:30,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2023-11-21 21:01:30,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:30,812 INFO L225 Difference]: With dead ends: 127 [2023-11-21 21:01:30,812 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:01:30,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:30,815 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 64 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:30,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 196 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2023-11-21 21:01:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:01:30,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:01:30,816 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 21:01:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:01:30,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-11-21 21:01:30,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:30,817 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:01:30,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 21:01:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:01:30,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:01:30,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 21:01:30,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 21:01:30,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:31,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:31,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:01:31,180 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:01:31,180 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 21:01:31,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 21:01:31,186 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-21 21:01:31,186 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-21 21:01:31,187 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-21 21:01:31,187 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-21 21:01:31,188 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-21 21:01:31,189 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-21 21:01:31,189 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-21 21:01:31,190 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-21 21:01:31,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:01:31,193 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-21 21:01:31,193 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-21 21:01:31,193 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2023-11-21 21:01:31,194 INFO L902 garLoopResultBuilder]: At program point L735-4(lines 735 743) the Hoare annotation is: true [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2023-11-21 21:01:31,194 INFO L899 garLoopResultBuilder]: For program point L744-3(lines 744 752) no Hoare annotation was computed. [2023-11-21 21:01:31,195 INFO L895 garLoopResultBuilder]: At program point L744-4(lines 744 752) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,195 INFO L899 garLoopResultBuilder]: For program point L744-5(lines 744 752) no Hoare annotation was computed. [2023-11-21 21:01:31,195 INFO L899 garLoopResultBuilder]: For program point L742-68(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,195 INFO L902 garLoopResultBuilder]: At program point L742-69(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,196 INFO L899 garLoopResultBuilder]: For program point L742-70(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,196 INFO L902 garLoopResultBuilder]: At program point L742-71(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,196 INFO L899 garLoopResultBuilder]: For program point L747-3(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,201 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,201 INFO L895 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,201 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,202 INFO L899 garLoopResultBuilder]: For program point L747-8(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,202 INFO L895 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,202 INFO L899 garLoopResultBuilder]: For program point L747-11(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,202 INFO L895 garLoopResultBuilder]: At program point L747-12(line 747) the Hoare annotation is: false [2023-11-21 21:01:31,202 INFO L899 garLoopResultBuilder]: For program point L747-13(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,202 INFO L899 garLoopResultBuilder]: For program point L742-170(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,203 INFO L902 garLoopResultBuilder]: At program point L742-171(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,203 INFO L899 garLoopResultBuilder]: For program point L742-172(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,203 INFO L899 garLoopResultBuilder]: For program point L742-173(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,203 INFO L902 garLoopResultBuilder]: At program point L742-174(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,203 INFO L899 garLoopResultBuilder]: For program point L742-175(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,203 INFO L902 garLoopResultBuilder]: At program point L742-176(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,203 INFO L899 garLoopResultBuilder]: For program point L747-22(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,204 INFO L899 garLoopResultBuilder]: For program point L742-178(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,204 INFO L895 garLoopResultBuilder]: At program point L747-23(line 747) the Hoare annotation is: false [2023-11-21 21:01:31,204 INFO L899 garLoopResultBuilder]: For program point L742-180(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,204 INFO L895 garLoopResultBuilder]: At program point L742-182(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 21:01:31,204 INFO L899 garLoopResultBuilder]: For program point L742-183(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,204 INFO L899 garLoopResultBuilder]: For program point L742-184(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,205 INFO L895 garLoopResultBuilder]: At program point L742-186(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 21:01:31,205 INFO L899 garLoopResultBuilder]: For program point L742-187(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,205 INFO L899 garLoopResultBuilder]: For program point L742-188(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,205 INFO L895 garLoopResultBuilder]: At program point L742-189(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 21:01:31,205 INFO L899 garLoopResultBuilder]: For program point L747-34(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,205 INFO L899 garLoopResultBuilder]: For program point L742-190(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,206 INFO L895 garLoopResultBuilder]: At program point L747-35(line 747) the Hoare annotation is: false [2023-11-21 21:01:31,206 INFO L899 garLoopResultBuilder]: For program point L747-36(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,206 INFO L899 garLoopResultBuilder]: For program point L747-37(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,206 INFO L899 garLoopResultBuilder]: For program point L742-193(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,206 INFO L899 garLoopResultBuilder]: For program point L747-38(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,206 INFO L895 garLoopResultBuilder]: At program point L742-194(line 742) the Hoare annotation is: false [2023-11-21 21:01:31,209 INFO L895 garLoopResultBuilder]: At program point L747-39(line 747) the Hoare annotation is: false [2023-11-21 21:01:31,209 INFO L899 garLoopResultBuilder]: For program point L747-40(line 747) no Hoare annotation was computed. [2023-11-21 21:01:31,209 INFO L899 garLoopResultBuilder]: For program point L742-202(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,210 INFO L902 garLoopResultBuilder]: At program point L742-203(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,210 INFO L899 garLoopResultBuilder]: For program point L742-210(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,210 INFO L899 garLoopResultBuilder]: For program point L742-212(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,210 INFO L902 garLoopResultBuilder]: At program point L742-214(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,210 INFO L899 garLoopResultBuilder]: For program point L742-215(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,210 INFO L899 garLoopResultBuilder]: For program point L742-225(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,211 INFO L899 garLoopResultBuilder]: For program point L742-235(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,211 INFO L902 garLoopResultBuilder]: At program point L742-236(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,211 INFO L899 garLoopResultBuilder]: For program point L742-237(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,211 INFO L902 garLoopResultBuilder]: At program point L742-246(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,211 INFO L902 garLoopResultBuilder]: At program point L742-248(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,211 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-11-21 21:01:31,211 INFO L899 garLoopResultBuilder]: For program point L742-249(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,212 INFO L899 garLoopResultBuilder]: For program point L742-255(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,212 INFO L899 garLoopResultBuilder]: For program point L742-256(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,213 INFO L902 garLoopResultBuilder]: At program point L742-257(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,214 INFO L899 garLoopResultBuilder]: For program point L742-259(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,214 INFO L899 garLoopResultBuilder]: For program point L742-260(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,214 INFO L902 garLoopResultBuilder]: At program point L742-261(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,214 INFO L899 garLoopResultBuilder]: For program point L742-262(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,214 INFO L899 garLoopResultBuilder]: For program point L742-263(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,214 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,215 INFO L902 garLoopResultBuilder]: At program point L742-264(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,215 INFO L895 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,215 INFO L899 garLoopResultBuilder]: For program point L742-265(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,215 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,215 INFO L895 garLoopResultBuilder]: At program point L742-266(line 742) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 21:01:31,218 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,218 INFO L899 garLoopResultBuilder]: For program point L742-267(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,219 INFO L895 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,219 INFO L899 garLoopResultBuilder]: For program point L742-268(line 742) no Hoare annotation was computed. [2023-11-21 21:01:31,219 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,219 INFO L902 garLoopResultBuilder]: At program point L742-269(line 742) the Hoare annotation is: true [2023-11-21 21:01:31,219 INFO L895 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,219 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,219 INFO L899 garLoopResultBuilder]: For program point L745-185(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,220 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,220 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,220 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,220 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,220 INFO L895 garLoopResultBuilder]: At program point L745-191(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,220 INFO L899 garLoopResultBuilder]: For program point L745-197(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,221 INFO L899 garLoopResultBuilder]: For program point L745-198(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,221 INFO L899 garLoopResultBuilder]: For program point L745-201(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,221 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,221 INFO L899 garLoopResultBuilder]: For program point L745-204(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,221 INFO L895 garLoopResultBuilder]: At program point L745-205(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,221 INFO L895 garLoopResultBuilder]: At program point L745-207(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,221 INFO L899 garLoopResultBuilder]: For program point L745-208(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,222 INFO L895 garLoopResultBuilder]: At program point L745-209(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,223 INFO L899 garLoopResultBuilder]: For program point L745-211(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,223 INFO L899 garLoopResultBuilder]: For program point L745-213(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,223 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-21 21:01:31,223 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,223 INFO L899 garLoopResultBuilder]: For program point L745-216(line 745) no Hoare annotation was computed. [2023-11-21 21:01:31,223 INFO L895 garLoopResultBuilder]: At program point L745-217(line 745) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 21:01:31,224 INFO L899 garLoopResultBuilder]: For program point L745-218(lines 744 752) no Hoare annotation was computed. [2023-11-21 21:01:31,224 INFO L895 garLoopResultBuilder]: At program point L753-3(lines 753 755) the Hoare annotation is: false [2023-11-21 21:01:31,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:01:31,224 INFO L902 garLoopResultBuilder]: At program point L757-9(lines 757 760) the Hoare annotation is: true [2023-11-21 21:01:31,224 INFO L899 garLoopResultBuilder]: For program point L758-3(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,224 INFO L899 garLoopResultBuilder]: For program point L758-8(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,224 INFO L899 garLoopResultBuilder]: For program point L758-11(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,225 INFO L902 garLoopResultBuilder]: At program point L758-12(line 758) the Hoare annotation is: true [2023-11-21 21:01:31,226 INFO L899 garLoopResultBuilder]: For program point L758-13(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,226 INFO L899 garLoopResultBuilder]: For program point L758-22(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,226 INFO L902 garLoopResultBuilder]: At program point L758-23(line 758) the Hoare annotation is: true [2023-11-21 21:01:31,227 INFO L899 garLoopResultBuilder]: For program point L758-34(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,227 INFO L902 garLoopResultBuilder]: At program point L758-35(line 758) the Hoare annotation is: true [2023-11-21 21:01:31,227 INFO L899 garLoopResultBuilder]: For program point L758-36(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,227 INFO L899 garLoopResultBuilder]: For program point L758-37(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,227 INFO L899 garLoopResultBuilder]: For program point L758-38(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,227 INFO L902 garLoopResultBuilder]: At program point L758-39(line 758) the Hoare annotation is: true [2023-11-21 21:01:31,227 INFO L899 garLoopResultBuilder]: For program point L758-40(line 758) no Hoare annotation was computed. [2023-11-21 21:01:31,228 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-21 21:01:31,228 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-21 21:01:31,228 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-21 21:01:31,228 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-21 21:01:31,228 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-21 21:01:31,228 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-21 21:01:31,232 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 21:01:31,234 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:01:31,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 21:01:31,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:01:31 BoogieIcfgContainer [2023-11-21 21:01:31,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:01:31,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:01:31,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:01:31,261 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:01:31,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:32" (3/4) ... [2023-11-21 21:01:31,263 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:01:31,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 21:01:31,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 21:01:31,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 252 nodes and edges [2023-11-21 21:01:31,307 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-21 21:01:31,309 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 21:01:31,312 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:01:31,573 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:01:31,574 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:01:31,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:01:31,574 INFO L158 Benchmark]: Toolchain (without parser) took 64835.85ms. Allocated memory was 148.9MB in the beginning and 304.1MB in the end (delta: 155.2MB). Free memory was 117.2MB in the beginning and 240.7MB in the end (delta: -123.5MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,575 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:31,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.54ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 81.9MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.57ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 72.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,576 INFO L158 Benchmark]: Boogie Preprocessor took 356.49ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 50.0MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,577 INFO L158 Benchmark]: RCFGBuilder took 4152.55ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 49.6MB in the beginning and 88.7MB in the end (delta: -39.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,577 INFO L158 Benchmark]: TraceAbstraction took 58831.78ms. Allocated memory is still 249.6MB. Free memory was 88.7MB in the beginning and 70.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,578 INFO L158 Benchmark]: Witness Printer took 313.58ms. Allocated memory was 249.6MB in the beginning and 304.1MB in the end (delta: 54.5MB). Free memory was 70.4MB in the beginning and 240.7MB in the end (delta: -170.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-21 21:01:31,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.54ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 81.9MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.57ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 72.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 356.49ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 50.0MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4152.55ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 49.6MB in the beginning and 88.7MB in the end (delta: -39.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * TraceAbstraction took 58831.78ms. Allocated memory is still 249.6MB. Free memory was 88.7MB in the beginning and 70.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 313.58ms. Allocated memory was 249.6MB in the beginning and 304.1MB in the end (delta: 54.5MB). Free memory was 70.4MB in the beginning and 240.7MB in the end (delta: -170.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * 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: 750]: 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, 146 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 58.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 56.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 55.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 689 SdHoareTripleChecker+Invalid, 55.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 396 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 92 PreInvPairs, 147 NumberOfFragments, 124 HoareAnnotationTreeSize, 92 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 3 NumberOfNonLiveVariables, 881 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 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: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 21:01:31,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dafe7e0-7bae-4906-a8db-70e5d1334dce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0