./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/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 ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:32,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:32,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:59:32,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:32,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:32,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:32,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:32,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:32,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:32,490 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:32,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:32,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:32,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:32,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:32,493 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:32,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:32,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:32,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:32,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:32,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:32,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:32,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:32,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:32,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:32,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:32,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:32,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:32,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:32,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:32,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:32,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:32,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:32,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:32,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:32,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:32,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:32,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:59:32,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:32,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:32,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:32,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:32,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:32,509 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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 [2023-11-21 20:59:32,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:32,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:32,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:32,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:32,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:32,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-21 20:59:36,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:36,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:36,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-21 20:59:36,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/data/84510df31/2a38832a3a8e4b068daad16d48823c45/FLAGa0d9b58b0 [2023-11-21 20:59:36,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/data/84510df31/2a38832a3a8e4b068daad16d48823c45 [2023-11-21 20:59:36,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:36,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:36,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:36,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:36,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:36,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ea0b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36, skipping insertion in model container [2023-11-21 20:59:36,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:36,568 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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-21 20:59:36,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:36,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:36,668 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_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-21 20:59:36,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:36,763 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:36,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36 WrapperNode [2023-11-21 20:59:36,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:36,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:36,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:36,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:36,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,843 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 470 [2023-11-21 20:59:36,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:36,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:36,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:36,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:36,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,865 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,888 INFO L187 HeapSplitter]: Split 134 memory accesses to 8 slices as follows [2, 16, 11, 54, 3, 4, 10, 34] [2023-11-21 20:59:36,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:36,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:36,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:36,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:36,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:36,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (1/1) ... [2023-11-21 20:59:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:37,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:37,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:37,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:59:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 20:59:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 20:59:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 20:59:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 20:59:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 20:59:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-21 20:59:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-21 20:59:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-21 20:59:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 20:59:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 20:59:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 20:59:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 20:59:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 20:59:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 20:59:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 20:59:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 20:59:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 20:59:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 20:59:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 20:59:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 20:59:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 20:59:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-21 20:59:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-21 20:59:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-21 20:59:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 20:59:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 20:59:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 20:59:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 20:59:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 20:59:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 20:59:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 20:59:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 20:59:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 20:59:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 20:59:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-21 20:59:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-21 20:59:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-21 20:59:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-21 20:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-21 20:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-21 20:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:59:37,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:59:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 20:59:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 20:59:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 20:59:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 20:59:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 20:59:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 20:59:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 20:59:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:37,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:37,335 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:37,337 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:37,966 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:59:38,835 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:59:38,836 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:59:38,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:38 BoogieIcfgContainer [2023-11-21 20:59:38,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:59:38,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:59:38,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:59:38,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:59:38,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:59:36" (1/3) ... [2023-11-21 20:59:38,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d415af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:38, skipping insertion in model container [2023-11-21 20:59:38,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:36" (2/3) ... [2023-11-21 20:59:38,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d415af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:38, skipping insertion in model container [2023-11-21 20:59:38,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:38" (3/3) ... [2023-11-21 20:59:38,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-88.i [2023-11-21 20:59:38,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:59:38,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:59:38,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:59:38,940 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;@5be47d8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:59:38,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:59:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-21 20:59:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 20:59:38,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:59:38,966 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:38,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:59:38,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:38,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2023144537, now seen corresponding path program 1 times [2023-11-21 20:59:38,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:38,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456332513] [2023-11-21 20:59:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 21:00:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 21:00:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 21:00:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 21:00:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 21:00:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 21:00:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 21:00:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 21:00:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 21:00:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 21:00:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-21 21:00:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 21:00:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 21:00:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 21:00:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 21:00:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-21 21:00:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 21:00:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-21 21:00:14,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:14,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456332513] [2023-11-21 21:00:14,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456332513] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092726335] [2023-11-21 21:00:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:14,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:14,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:15,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65a6f21-2b75-40e1-81c3-c5b75869ab0c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process