./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/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 2be5ecf5348458671ab0cc252df5fcce5a265155e50eac356b5f3e450b866c41 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:11,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:11,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:08:11,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:11,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:11,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:11,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:11,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:11,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:11,710 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:11,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:11,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:11,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:11,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:11,718 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:11,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:11,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:11,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:08:11,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:11,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:08:11,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:11,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:11,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:11,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:11,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:08:11,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:11,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:11,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:11,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:11,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:11,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:11,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:11,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:11,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:11,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:11,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:11,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:11,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:11,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:11,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:11,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:11,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:11,731 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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2be5ecf5348458671ab0cc252df5fcce5a265155e50eac356b5f3e450b866c41 [2023-11-21 22:08:12,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:12,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:12,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:12,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:12,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:12,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i [2023-11-21 22:08:15,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:15,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:15,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i [2023-11-21 22:08:15,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/data/c95acc03d/1774ce2e252e4068b879c67ae140d40b/FLAG8f2a5bccc [2023-11-21 22:08:15,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/data/c95acc03d/1774ce2e252e4068b879c67ae140d40b [2023-11-21 22:08:15,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:15,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:15,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:15,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:15,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:15,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c29e574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15, skipping insertion in model container [2023-11-21 22:08:15,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:15,951 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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i[915,928] [2023-11-21 22:08:16,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:16,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:16,075 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_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i[915,928] [2023-11-21 22:08:16,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:16,137 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:16,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16 WrapperNode [2023-11-21 22:08:16,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:16,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:16,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:16,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:16,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,264 INFO L138 Inliner]: procedures = 26, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-11-21 22:08:16,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:16,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:16,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:16,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:16,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,288 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,311 INFO L187 HeapSplitter]: Split 122 memory accesses to 16 slices as follows [2, 3, 6, 6, 29, 6, 6, 14, 8, 7, 9, 8, 8, 3, 3, 4] [2023-11-21 22:08:16,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:16,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:16,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:16,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:16,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (1/1) ... [2023-11-21 22:08:16,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:16,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:16,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:16,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:08:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:08:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:08:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:08:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:08:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:08:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:08:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 22:08:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 22:08:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 22:08:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 22:08:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 22:08:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 22:08:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 22:08:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 22:08:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 22:08:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:08:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:08:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:08:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:08:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:08:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:08:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:08:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 22:08:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 22:08:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 22:08:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 22:08:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 22:08:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 22:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 22:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 22:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 22:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:08:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:08:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:08:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:08:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:08:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:08:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:08:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:08:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 22:08:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 22:08:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 22:08:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 22:08:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 22:08:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 22:08:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 22:08:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 22:08:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 22:08:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:16,758 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:16,771 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:17,396 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:18,223 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:18,223 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:08:18,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:18 BoogieIcfgContainer [2023-11-21 22:08:18,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:18,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:18,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:18,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:18,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:15" (1/3) ... [2023-11-21 22:08:18,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598272c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:18, skipping insertion in model container [2023-11-21 22:08:18,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:16" (2/3) ... [2023-11-21 22:08:18,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598272c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:18, skipping insertion in model container [2023-11-21 22:08:18,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:18" (3/3) ... [2023-11-21 22:08:18,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-5.i [2023-11-21 22:08:18,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:18,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:08:18,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:18,313 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;@76d50aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:18,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:08:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:08:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 22:08:18,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:18,330 INFO L195 NwaCegarLoop]: trace histogram [20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:18,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:08:18,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:18,336 INFO L85 PathProgramCache]: Analyzing trace with hash -834845257, now seen corresponding path program 1 times [2023-11-21 22:08:18,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:18,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028011395] [2023-11-21 22:08:18,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:18,668 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:08:18,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649652285] [2023-11-21 22:08:18,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:18,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:08:18,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:18,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:08:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:08:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:19,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 149 conjunts are in the unsatisfiable core [2023-11-21 22:08:19,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:08:22,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:08:23,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:08:25,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:08:27,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:08:28,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:08:31,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 481 treesize of output 453 [2023-11-21 22:08:31,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 460 treesize of output 436 [2023-11-21 22:08:31,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 449 treesize of output 425 [2023-11-21 22:08:31,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 407 [2023-11-21 22:08:31,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 788 treesize of output 748 [2023-11-21 22:08:32,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 298 [2023-11-21 22:08:32,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 286 [2023-11-21 22:08:32,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 274 [2023-11-21 22:08:33,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 278 [2023-11-21 22:08:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 12 proven. 320 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 22:08:37,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:08:40,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 529 treesize of output 517 [2023-11-21 22:08:40,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 477 [2023-11-21 22:08:40,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 477 treesize of output 465 [2023-11-21 22:08:40,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 465 treesize of output 453 [2023-11-21 22:08:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 22:08:40,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:40,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028011395] [2023-11-21 22:08:40,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:08:40,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649652285] [2023-11-21 22:08:40,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649652285] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-21 22:08:40,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:08:40,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [25] total 27 [2023-11-21 22:08:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335405867] [2023-11-21 22:08:40,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:40,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:08:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:41,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:08:41,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-11-21 22:08:41,030 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-21 22:08:41,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:08:41,159 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2023-11-21 22:08:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:08:41,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 84 [2023-11-21 22:08:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:08:41,168 INFO L225 Difference]: With dead ends: 94 [2023-11-21 22:08:41,168 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:08:41,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-11-21 22:08:41,176 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:08:41,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:08:41,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:08:41,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:08:41,197 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 22:08:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:08:41,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-11-21 22:08:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:08:41,199 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:08:41,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-21 22:08:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:08:41,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:08:41,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:08:41,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:08:41,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:08:41,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:08:41,438 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:08:41,438 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:08:41,438 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-11-21 22:08:41,439 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-11-21 22:08:41,439 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:08:41,439 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:08:41,439 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:08:41,440 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-11-21 22:08:41,440 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-11-21 22:08:41,440 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-11-21 22:08:41,440 INFO L899 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2023-11-21 22:08:41,440 INFO L902 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: true [2023-11-21 22:08:41,441 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-11-21 22:08:41,441 INFO L902 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: true [2023-11-21 22:08:41,441 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-11-21 22:08:41,441 INFO L902 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: true [2023-11-21 22:08:41,441 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-11-21 22:08:41,442 INFO L902 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: true [2023-11-21 22:08:41,442 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-21 22:08:41,442 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:08:41,442 INFO L902 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: true [2023-11-21 22:08:41,442 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-11-21 22:08:41,443 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-11-21 22:08:41,443 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-11-21 22:08:41,443 INFO L902 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: true [2023-11-21 22:08:41,443 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-21 22:08:41,443 INFO L902 garLoopResultBuilder]: At program point L106(line 106) the Hoare annotation is: true [2023-11-21 22:08:41,444 INFO L899 garLoopResultBuilder]: For program point L106-1(line 106) no Hoare annotation was computed. [2023-11-21 22:08:41,444 INFO L902 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: true [2023-11-21 22:08:41,444 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-11-21 22:08:41,444 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-11-21 22:08:41,444 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-11-21 22:08:41,445 INFO L902 garLoopResultBuilder]: At program point L123-2(lines 123 129) the Hoare annotation is: true [2023-11-21 22:08:41,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:08:41,445 INFO L902 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: true [2023-11-21 22:08:41,445 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-11-21 22:08:41,445 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-11-21 22:08:41,446 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2023-11-21 22:08:41,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:08:41,446 INFO L902 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: true [2023-11-21 22:08:41,446 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-21 22:08:41,446 INFO L902 garLoopResultBuilder]: At program point L100(line 100) the Hoare annotation is: true [2023-11-21 22:08:41,447 INFO L899 garLoopResultBuilder]: For program point L100-1(line 100) no Hoare annotation was computed. [2023-11-21 22:08:41,447 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-11-21 22:08:41,447 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-21 22:08:41,447 INFO L902 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: true [2023-11-21 22:08:41,447 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-21 22:08:41,448 INFO L902 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: true [2023-11-21 22:08:41,448 INFO L899 garLoopResultBuilder]: For program point L109-1(line 109) no Hoare annotation was computed. [2023-11-21 22:08:41,451 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:08:41,454 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:08:41,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:08:41 BoogieIcfgContainer [2023-11-21 22:08:41,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:08:41,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:08:41,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:08:41,465 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:08:41,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:18" (3/4) ... [2023-11-21 22:08:41,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:08:41,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:08:41,483 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2023-11-21 22:08:41,484 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:08:41,486 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:08:41,487 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:08:41,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:08:41,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:08:41,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:08:41,644 INFO L158 Benchmark]: Toolchain (without parser) took 25970.36ms. Allocated memory was 144.7MB in the beginning and 612.4MB in the end (delta: 467.7MB). Free memory was 102.9MB in the beginning and 456.3MB in the end (delta: -353.4MB). Peak memory consumption was 116.0MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,645 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:41,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.10ms. Allocated memory is still 144.7MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.48ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,646 INFO L158 Benchmark]: Boogie Preprocessor took 90.85ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 79.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,646 INFO L158 Benchmark]: RCFGBuilder took 1867.64ms. Allocated memory is still 144.7MB. Free memory was 79.6MB in the beginning and 95.3MB in the end (delta: -15.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,647 INFO L158 Benchmark]: TraceAbstraction took 23236.66ms. Allocated memory was 144.7MB in the beginning and 612.4MB in the end (delta: 467.7MB). Free memory was 94.2MB in the beginning and 465.7MB in the end (delta: -371.5MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,647 INFO L158 Benchmark]: Witness Printer took 179.01ms. Allocated memory is still 612.4MB. Free memory was 465.7MB in the beginning and 456.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:08:41,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.10ms. Allocated memory is still 144.7MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.48ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.85ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 79.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1867.64ms. Allocated memory is still 144.7MB. Free memory was 79.6MB in the beginning and 95.3MB in the end (delta: -15.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23236.66ms. Allocated memory was 144.7MB in the beginning and 612.4MB in the end (delta: 467.7MB). Free memory was 94.2MB in the beginning and 465.7MB in the end (delta: -371.5MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. * Witness Printer took 179.01ms. Allocated memory is still 612.4MB. Free memory was 465.7MB in the beginning and 456.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: 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 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.2s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 61 PreInvPairs, 82 NumberOfFragments, 22 HoareAnnotationTreeSize, 61 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 166 ConstructedInterpolants, 80 QuantifiedInterpolants, 6129 SizeOfPredicates, 94 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 440/760 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 1 specifications checked. All of them hold - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:08:41,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6a74ce-72eb-44da-8bdd-6b31a833eb92/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