./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/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_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/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_87824da5-1643-4adb-97de-f827bceca529/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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:19,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:19,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:19,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:19,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:19,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:19,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:19,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:19,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:19,911 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:19,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:19,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:19,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:19,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:19,915 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:19,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:19,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:19,916 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:19,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:19,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:19,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:19,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:19,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:19,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:19,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:19,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:19,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:19,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:19,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:19,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:19,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:19,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:19,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:19,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:19,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:19,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:19,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:19,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:19,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:19,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:19,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:19,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:19,927 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_87824da5-1643-4adb-97de-f827bceca529/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2023-11-21 22:25:20,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:20,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:20,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:20,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:20,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:20,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-21 22:25:23,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:23,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:23,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-21 22:25:23,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/data/c55b2ae2e/bea7a5279ed74bf08541a3cbd71748ae/FLAG10cca68b8 [2023-11-21 22:25:23,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/data/c55b2ae2e/bea7a5279ed74bf08541a3cbd71748ae [2023-11-21 22:25:23,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:23,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:23,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:23,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:23,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:23,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:23" (1/1) ... [2023-11-21 22:25:23,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4dc2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:23, skipping insertion in model container [2023-11-21 22:25:23,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:23" (1/1) ... [2023-11-21 22:25:24,059 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:24,608 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_87824da5-1643-4adb-97de-f827bceca529/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2023-11-21 22:25:24,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2023-11-21 22:25:24,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:24,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:24,878 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_87824da5-1643-4adb-97de-f827bceca529/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2023-11-21 22:25:24,980 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_87824da5-1643-4adb-97de-f827bceca529/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2023-11-21 22:25:24,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:25,056 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:25,065 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:25,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25 WrapperNode [2023-11-21 22:25:25,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:25,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:25,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:25,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:25,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,216 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1207 [2023-11-21 22:25:25,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:25,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:25,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:25,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:25,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,244 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,326 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:25:25,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:25,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:25,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:25,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:25,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (1/1) ... [2023-11-21 22:25:25,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:25,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:25:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:25:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:25:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:25:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:25:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:25:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:25:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:25:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:25:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:25:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:25:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:25:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:25:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:25,797 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:25,800 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:27,432 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:29,113 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:29,113 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 22:25:29,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:29 BoogieIcfgContainer [2023-11-21 22:25:29,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:29,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:29,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:29,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:29,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:23" (1/3) ... [2023-11-21 22:25:29,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1663c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:29, skipping insertion in model container [2023-11-21 22:25:29,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:25" (2/3) ... [2023-11-21 22:25:29,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1663c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:29, skipping insertion in model container [2023-11-21 22:25:29,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:29" (3/3) ... [2023-11-21 22:25:29,128 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2023-11-21 22:25:29,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:29,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:25:29,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:29,227 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;@693ac35c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:29,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:25:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 103 states have (on average 1.7475728155339805) internal successors, (180), 110 states have internal predecessors, (180), 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 22:25:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:25:29,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:29,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:29,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:29,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:29,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1891984470, now seen corresponding path program 1 times [2023-11-21 22:25:29,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:29,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781778490] [2023-11-21 22:25:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781778490] [2023-11-21 22:25:29,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781778490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:29,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:29,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:25:29,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488479433] [2023-11-21 22:25:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:29,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:25:29,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:25:29,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:25:29,529 INFO L87 Difference]: Start difference. First operand has 116 states, 103 states have (on average 1.7475728155339805) internal successors, (180), 110 states have internal predecessors, (180), 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 22:25:31,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:33,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:35,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:37,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:37,981 INFO L93 Difference]: Finished difference Result 229 states and 393 transitions. [2023-11-21 22:25:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:25:37,989 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 22:25:37,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:38,004 INFO L225 Difference]: With dead ends: 229 [2023-11-21 22:25:38,005 INFO L226 Difference]: Without dead ends: 111 [2023-11-21 22:25:38,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:25:38,013 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:38,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2023-11-21 22:25:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-21 22:25:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-21 22:25:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 99 states have (on average 1.202020202020202) internal successors, (119), 105 states have internal predecessors, (119), 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 22:25:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 135 transitions. [2023-11-21 22:25:38,074 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 135 transitions. Word has length 8 [2023-11-21 22:25:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:38,074 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 135 transitions. [2023-11-21 22:25:38,075 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 22:25:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2023-11-21 22:25:38,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:25:38,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:38,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:38,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:25:38,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:38,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 213350090, now seen corresponding path program 1 times [2023-11-21 22:25:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843761673] [2023-11-21 22:25:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:25:38,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:38,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843761673] [2023-11-21 22:25:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843761673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:38,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:38,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:25:38,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415240612] [2023-11-21 22:25:38,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:38,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:25:38,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:38,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:25:38,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:25:38,623 INFO L87 Difference]: Start difference. First operand 111 states and 135 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:40,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:42,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:44,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:46,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:48,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:50,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:52,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:54,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:56,061 INFO L93 Difference]: Finished difference Result 226 states and 284 transitions. [2023-11-21 22:25:56,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:25:56,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-11-21 22:25:56,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:56,068 INFO L225 Difference]: With dead ends: 226 [2023-11-21 22:25:56,068 INFO L226 Difference]: Without dead ends: 167 [2023-11-21 22:25:56,069 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 22:25:56,071 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 63 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:56,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 301 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 17.4s Time] [2023-11-21 22:25:56,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-21 22:25:56,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 110. [2023-11-21 22:25:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 98 states have (on average 1.1938775510204083) internal successors, (117), 104 states have internal predecessors, (117), 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 22:25:56,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2023-11-21 22:25:56,092 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 22 [2023-11-21 22:25:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:56,092 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2023-11-21 22:25:56,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-21 22:25:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 22:25:56,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:56,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:56,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:25:56,096 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:56,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash -962048379, now seen corresponding path program 1 times [2023-11-21 22:25:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:56,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448865943] [2023-11-21 22:25:56,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:56,214 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:25:56,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534035840] [2023-11-21 22:25:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:56,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:25:56,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:56,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:25:56,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:25:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:56,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:25:56,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:56,784 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 22:25:56,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:25:56,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:56,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448865943] [2023-11-21 22:25:56,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:25:56,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534035840] [2023-11-21 22:25:56,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534035840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:56,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:56,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:25:56,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885918405] [2023-11-21 22:25:56,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:56,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:25:56,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:56,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:25:56,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:25:56,792 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:58,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:58,823 INFO L93 Difference]: Finished difference Result 115 states and 138 transitions. [2023-11-21 22:25:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:25:58,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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 50 [2023-11-21 22:25:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:58,844 INFO L225 Difference]: With dead ends: 115 [2023-11-21 22:25:58,844 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:25:58,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 22:25:58,847 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:58,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 22:25:58,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:25:58,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:25:58,849 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 22:25:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:25:58,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2023-11-21 22:25:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:58,849 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:58,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:25:58,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:25:58,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 22:25:58,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 22:25:58,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:25:59,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:25:59,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:25:59,159 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:25:59,160 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:25:59,160 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:25:59,160 INFO L899 garLoopResultBuilder]: For program point L821-212(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,160 INFO L895 garLoopResultBuilder]: At program point L821-214(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,160 INFO L899 garLoopResultBuilder]: For program point L821-215(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,160 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-11-21 22:25:59,161 INFO L899 garLoopResultBuilder]: For program point L821-225(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,161 INFO L899 garLoopResultBuilder]: For program point L821-235(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,161 INFO L895 garLoopResultBuilder]: At program point L821-236(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,161 INFO L899 garLoopResultBuilder]: For program point L821-237(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,162 INFO L895 garLoopResultBuilder]: At program point L821-246(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,162 INFO L895 garLoopResultBuilder]: At program point L821-248(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,162 INFO L899 garLoopResultBuilder]: For program point L821-249(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,162 INFO L899 garLoopResultBuilder]: For program point L821-255(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,162 INFO L899 garLoopResultBuilder]: For program point L821-256(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,162 INFO L895 garLoopResultBuilder]: At program point L821-257(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,163 INFO L899 garLoopResultBuilder]: For program point L821-259(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,163 INFO L899 garLoopResultBuilder]: For program point L821-260(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,163 INFO L895 garLoopResultBuilder]: At program point L821-261(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,163 INFO L899 garLoopResultBuilder]: For program point L821-262(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,163 INFO L899 garLoopResultBuilder]: For program point L821-263(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,163 INFO L899 garLoopResultBuilder]: For program point L824-170(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,164 INFO L895 garLoopResultBuilder]: At program point L821-264(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,164 INFO L895 garLoopResultBuilder]: At program point L824-171(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,164 INFO L899 garLoopResultBuilder]: For program point L821-265(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,164 INFO L899 garLoopResultBuilder]: For program point L824-172(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,164 INFO L895 garLoopResultBuilder]: At program point L821-266(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,165 INFO L899 garLoopResultBuilder]: For program point L824-173(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,165 INFO L899 garLoopResultBuilder]: For program point L821-267(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,165 INFO L895 garLoopResultBuilder]: At program point L824-174(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,165 INFO L899 garLoopResultBuilder]: For program point L821-268(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,165 INFO L899 garLoopResultBuilder]: For program point L824-175(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,166 INFO L895 garLoopResultBuilder]: At program point L821-269(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:25:59,166 INFO L895 garLoopResultBuilder]: At program point L824-176(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,166 INFO L899 garLoopResultBuilder]: For program point L824-178(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,166 INFO L899 garLoopResultBuilder]: For program point L824-185(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,166 INFO L895 garLoopResultBuilder]: At program point L824-186(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,167 INFO L899 garLoopResultBuilder]: For program point L824-187(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,167 INFO L899 garLoopResultBuilder]: For program point L824-188(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,167 INFO L899 garLoopResultBuilder]: For program point L824-190(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,167 INFO L895 garLoopResultBuilder]: At program point L824-191(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,168 INFO L899 garLoopResultBuilder]: For program point L824-197(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,168 INFO L899 garLoopResultBuilder]: For program point L824-198(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,168 INFO L899 garLoopResultBuilder]: For program point L824-201(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,168 INFO L899 garLoopResultBuilder]: For program point L824-202(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,168 INFO L899 garLoopResultBuilder]: For program point L824-204(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,169 INFO L895 garLoopResultBuilder]: At program point L824-205(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,169 INFO L895 garLoopResultBuilder]: At program point L824-207(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,169 INFO L899 garLoopResultBuilder]: For program point L824-208(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,169 INFO L895 garLoopResultBuilder]: At program point L824-209(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,169 INFO L899 garLoopResultBuilder]: For program point L824-211(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,170 INFO L899 garLoopResultBuilder]: For program point L824-213(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,170 INFO L895 garLoopResultBuilder]: At program point L824-214(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,170 INFO L899 garLoopResultBuilder]: For program point L824-215(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,170 INFO L899 garLoopResultBuilder]: For program point L824-216(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,171 INFO L895 garLoopResultBuilder]: At program point L824-217(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,171 INFO L899 garLoopResultBuilder]: For program point L824-218(lines 823 830) no Hoare annotation was computed. [2023-11-21 22:25:59,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:25:59,171 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 803) no Hoare annotation was computed. [2023-11-21 22:25:59,172 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-11-21 22:25:59,173 INFO L895 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: false [2023-11-21 22:25:59,173 INFO L899 garLoopResultBuilder]: For program point L791(line 791) no Hoare annotation was computed. [2023-11-21 22:25:59,173 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: false [2023-11-21 22:25:59,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 828) no Hoare annotation was computed. [2023-11-21 22:25:59,174 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-11-21 22:25:59,174 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: false [2023-11-21 22:25:59,175 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-11-21 22:25:59,175 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: false [2023-11-21 22:25:59,175 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-11-21 22:25:59,175 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: false [2023-11-21 22:25:59,176 INFO L899 garLoopResultBuilder]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2023-11-21 22:25:59,177 INFO L899 garLoopResultBuilder]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2023-11-21 22:25:59,180 INFO L895 garLoopResultBuilder]: At program point L814-4(lines 814 822) 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 22:25:59,181 INFO L899 garLoopResultBuilder]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2023-11-21 22:25:59,181 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:25:59,181 INFO L899 garLoopResultBuilder]: For program point L823-1(lines 823 830) no Hoare annotation was computed. [2023-11-21 22:25:59,182 INFO L899 garLoopResultBuilder]: For program point L823-3(lines 823 830) no Hoare annotation was computed. [2023-11-21 22:25:59,182 INFO L895 garLoopResultBuilder]: At program point L823-4(lines 823 830) the Hoare annotation is: false [2023-11-21 22:25:59,183 INFO L899 garLoopResultBuilder]: For program point L823-5(lines 823 830) no Hoare annotation was computed. [2023-11-21 22:25:59,183 INFO L899 garLoopResultBuilder]: For program point L821-68(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,184 INFO L902 garLoopResultBuilder]: At program point L821-69(line 821) the Hoare annotation is: true [2023-11-21 22:25:59,191 INFO L899 garLoopResultBuilder]: For program point L821-70(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,191 INFO L895 garLoopResultBuilder]: At program point L821-71(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:25:59,191 INFO L899 garLoopResultBuilder]: For program point L824-68(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,192 INFO L902 garLoopResultBuilder]: At program point L824-69(line 824) the Hoare annotation is: true [2023-11-21 22:25:59,192 INFO L899 garLoopResultBuilder]: For program point L824-70(line 824) no Hoare annotation was computed. [2023-11-21 22:25:59,193 INFO L895 garLoopResultBuilder]: At program point L824-71(line 824) the Hoare annotation is: false [2023-11-21 22:25:59,193 INFO L899 garLoopResultBuilder]: For program point L821-170(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,193 INFO L895 garLoopResultBuilder]: At program point L821-171(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:25:59,193 INFO L899 garLoopResultBuilder]: For program point L821-172(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,193 INFO L899 garLoopResultBuilder]: For program point L821-173(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,194 INFO L895 garLoopResultBuilder]: At program point L821-174(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:25:59,194 INFO L899 garLoopResultBuilder]: For program point L821-175(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,194 INFO L895 garLoopResultBuilder]: At program point L821-176(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:25:59,194 INFO L899 garLoopResultBuilder]: For program point L821-178(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,195 INFO L899 garLoopResultBuilder]: For program point L821-180(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,195 INFO L895 garLoopResultBuilder]: At program point L821-182(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,195 INFO L899 garLoopResultBuilder]: For program point L821-183(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,195 INFO L899 garLoopResultBuilder]: For program point L821-184(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,196 INFO L895 garLoopResultBuilder]: At program point L821-186(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,196 INFO L899 garLoopResultBuilder]: For program point L821-187(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,196 INFO L899 garLoopResultBuilder]: For program point L821-188(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,196 INFO L895 garLoopResultBuilder]: At program point L821-189(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,197 INFO L899 garLoopResultBuilder]: For program point L821-190(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,197 INFO L899 garLoopResultBuilder]: For program point L821-193(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,197 INFO L895 garLoopResultBuilder]: At program point L821-194(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,198 INFO L899 garLoopResultBuilder]: For program point L821-202(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,198 INFO L895 garLoopResultBuilder]: At program point L821-203(line 821) the Hoare annotation is: false [2023-11-21 22:25:59,198 INFO L899 garLoopResultBuilder]: For program point L821-210(line 821) no Hoare annotation was computed. [2023-11-21 22:25:59,198 INFO L899 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2023-11-21 22:25:59,198 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 783) no Hoare annotation was computed. [2023-11-21 22:25:59,198 INFO L899 garLoopResultBuilder]: For program point L781-2(lines 780 784) no Hoare annotation was computed. [2023-11-21 22:25:59,199 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 780 784) no Hoare annotation was computed. [2023-11-21 22:25:59,199 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 784) the Hoare annotation is: true [2023-11-21 22:25:59,199 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2023-11-21 22:25:59,203 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:25:59,207 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:59,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 22:25:59,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:59 BoogieIcfgContainer [2023-11-21 22:25:59,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:59,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:59,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:59,234 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:59,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:29" (3/4) ... [2023-11-21 22:25:59,236 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:25:59,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:25:59,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 22:25:59,274 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 225 nodes and edges [2023-11-21 22:25:59,277 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 22:25:59,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 22:25:59,281 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:25:59,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:25:59,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:25:59,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:59,483 INFO L158 Benchmark]: Toolchain (without parser) took 35529.26ms. Allocated memory was 117.4MB in the beginning and 283.1MB in the end (delta: 165.7MB). Free memory was 72.4MB in the beginning and 116.8MB in the end (delta: -44.4MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,483 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:59,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.28ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 72.4MB in the beginning and 132.0MB in the end (delta: -59.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.56ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,485 INFO L158 Benchmark]: Boogie Preprocessor took 247.73ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 111.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,485 INFO L158 Benchmark]: RCFGBuilder took 3650.35ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 70.1MB in the end (delta: 41.0MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,485 INFO L158 Benchmark]: TraceAbstraction took 30114.00ms. Allocated memory was 205.5MB in the beginning and 283.1MB in the end (delta: 77.6MB). Free memory was 69.0MB in the beginning and 131.5MB in the end (delta: -62.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,486 INFO L158 Benchmark]: Witness Printer took 248.72ms. Allocated memory is still 283.1MB. Free memory was 131.5MB in the beginning and 116.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:25:59,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.28ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 72.4MB in the beginning and 132.0MB in the end (delta: -59.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.56ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.73ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 111.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3650.35ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 70.1MB in the end (delta: 41.0MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * TraceAbstraction took 30114.00ms. Allocated memory was 205.5MB in the beginning and 283.1MB in the end (delta: 77.6MB). Free memory was 69.0MB in the beginning and 131.5MB in the end (delta: -62.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 248.72ms. Allocated memory is still 283.1MB. Free memory was 131.5MB in the beginning and 116.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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 * 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: 828]: 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: 782]: 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, 116 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 30.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 27.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 27.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 229 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 65 PreInvPairs, 74 NumberOfFragments, 84 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 22:25:59,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87824da5-1643-4adb-97de-f827bceca529/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE